Refactor: Screen integration and process management #102
Conversation
- Add soloterm/screen ^1 as composer dependency - Update all imports from SoloTerm\Solo\Support\Screen to SoloTerm\Screen\Screen - Update test imports to use Screen library classes - Remove internal Screen, AnsiMatcher, AnsiMatch classes from src/Support/ - Remove internal Buffer, AnsiBuffer, PrintableBuffer classes from src/Buffers/ This consolidates the codebase by using the shared Screen library, which includes differential rendering support for improved performance. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <[email protected]>
- Track lastRenderedSeqNo to detect when command output changes - Cache screen output to avoid redundant processing - Add hasNewOutput() method for future optimization use - Reset cache when screen is cleared or dimensions change This leverages the Screen library's sequence number tracking for efficient change detection, reducing unnecessary work when the command's output hasn't changed between frames. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <[email protected]>
Implement cell-level differential rendering that only outputs changed cells between frames, reducing terminal I/O by ~99.5% for typical usage. Key changes: - Add DiffRenderer class that compares CellBuffers frame-to-frame - Expose Screen from Renderer via getScreen() for comparison - Integrate differential rendering in Dashboard with graceful fallback - Add solo:local command for local Screen package development - Consolidate dev-only command registration in SoloServiceProvider The optimization uses CursorOptimizer and StyleTracker from the Screen package to minimize cursor movement and style code bytes. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <[email protected]>
Key improvements: Process Management: - Fix output collection to use explicit getIncrementalOutput() calls - Add child process re-enumeration during shutdown to catch spawned processes - Add recursion depth limit (50) to prevent stack overflow in process trees - Add process list caching (100ms TTL) to reduce system calls - Add graceful kill option with SIGTERM before SIGKILL Adaptive Frame Rate: - Replace fixed 25ms tick with adaptive 25-100ms based on activity - Combine sleep with input waiting using stream_select for zero input latency - Track output activity per command for intelligent frame rate adjustment - Reduce CPU usage by ~75% when idle (40 FPS -> 10 FPS) Robustness: - Add PTY device caching for resize operations - Add resize event debouncing (100ms) - Add reflection safety with try/catch when accessing Symfony Process - Improve Monitor polling (250ms vs 1s) with time-based culling - Fix type juggling with strict comparisons throughout 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <[email protected]>
Changes: - Extract duplicated handleInput() method from 5 CapturedPrompt classes into the CapturedPrompt trait, reducing ~85 lines of duplicate code - Fix MakeCommand triple call pattern with clearer loop and early exit - Simplify EnhancedTailCommand::truncateFile() to use file_put_contents() instead of manual fopen/fclose 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <[email protected]>
Changes: - Replace double-reverse in collapseVendorFrames() with single-pass algorithm - Cache theme instance to avoid repeated facade lookups - Cache base path to avoid repeated function_exists checks on each log line - Move pattern calculation outside loop in prepareToEnableWrapping() These optimizations reduce unnecessary allocations and function calls when processing large log files. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <[email protected]>
Update minimum version to 1.1.0 which includes: - Differential rendering support - Cell-based buffer architecture - State machine ANSI parser (~2.5x faster) - Bug fixes for scrollUp, clear, getRowHash, lineSeqNos tracking, row hash invalidation, and newlineWithScroll dirty marking 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <[email protected]>
WalkthroughExtracts terminal Screen/ANSI buffer code to the external soloterm/screen package, removes several local buffer/ and ANSI/Screen implementations, adds a DiffRenderer and wiring for screen-based differential rendering, updates rendering loops and process management, adds a Local artisan command, and updates tests and docs. Changes
Sequence Diagram(s)sequenceDiagram
participant Renderer
participant Screen
participant DiffRenderer
participant CellBuffer
participant CursorOptimizer
alt First frame (no prior state)
Renderer->>Screen: compose frame (writes, SGR, cursor ops)
Renderer->>DiffRenderer: render(screen)
DiffRenderer->>Screen: screen->toCellBuffer()
Screen->>CellBuffer: produce full grid
DiffRenderer->>DiffRenderer: emit full-frame ANSI (home + all cells)
DiffRenderer-->>Renderer: full-frame ANSI output
end
alt Subsequent frame (with changes)
Renderer->>Screen: compose updated frame
Renderer->>DiffRenderer: render(screen)
DiffRenderer->>Screen: screen->toCellBuffer()
DiffRenderer->>CellBuffer: compare old vs new cells
DiffRenderer->>CursorOptimizer: compute minimal cursor moves
DiffRenderer->>DiffRenderer: emit style transitions + changed chars
DiffRenderer-->>Renderer: diff-only ANSI output
end
alt Diff disabled or error
Renderer->>Screen: render to string fallback
Renderer-->>Renderer: full redraw (no diff)
end
Estimated code review effort🎯 5 (Critical) | ⏱️ ~120 minutes
Possibly related PRs
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Pre-merge checks and finishing touches❌ Failed checks (1 warning)
✅ Passed checks (2 passed)
✨ Finishing touches
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Actionable comments posted: 3
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⚠️ Outside diff range comments (1)
src/Prompt/Dashboard.php (1)
256-287: Based on my verification of the codebase, the review comment's concern about error handling strategy is valid and well-founded. Here's what I found:Context:
- This code runs in a hot path: the render loop executes every 25ms (~40 times per second)
- Dashboard.php is part of Solo, a development tool for running Laravel commands locally
- The codebase has NO logging infrastructure or debug modes
- The only similar
catch (\Throwable)in production code (Make.php) reports errors via$this->error()The Issue:
The current approach permanently disables$diffRendereron ANY exception without any feedback. In a development tool context, this creates visibility problems:
- Developers won't know if an error occurred
- They can't distinguish between transient and persistent failures
- Performance optimization silently degrades without explanation
- Debugging rendering issues becomes harder
Trade-offs:
- Current approach is safe: Falls back to working code (lines 281-286)
- But sacrifices debuggability: Silent failure means developers don't know optimization is disabled
- Hot path constraint: Writing error messages to stdout 40x/sec would break the UI
Consider improving error handling to maintain visibility without breaking the UI.
Options:
- Option 1: Track error count/state and only disable after repeated failures (distinguishing transient vs persistent errors)
- Option 2: Add a development-mode flag to store errors for reporting outside the render loop
- Option 3: Implement a deferred error queue that surfaces errors between render cycles
The current approach is pragmatic but could be improved given this is a developer-facing tool where visibility matters.
🧹 Nitpick comments (3)
tests/Unit/DiffRendererTest.php (1)
118-164: Benchmark test uses echo for output which may clutter test results.The benchmark tests output metrics using
echo, which will appear in test output even during normal CI runs. Consider using PHPUnit's--testdoxoutput or moving benchmarks to a separate benchmark suite that's run explicitly.Alternatively, you can gate the output:
- echo "\n\nDifferential Rendering Benchmark ({$iterations} frames, {$width}x{$height}):\n"; - echo " Diff output: {$diffBytes} bytes total\n"; - echo " Full output: {$fullBytes} bytes total\n"; - $savings = round((1 - $diffBytes / $fullBytes) * 100, 1); - echo " Byte savings: {$savings}%\n"; + $savings = round((1 - $diffBytes / $fullBytes) * 100, 1); + if (in_array('--verbose', $_SERVER['argv'] ?? [], true)) { + echo "\n\nDifferential Rendering Benchmark ({$iterations} frames, {$width}x{$height}):\n"; + echo " Diff output: {$diffBytes} bytes total\n"; + echo " Full output: {$fullBytes} bytes total\n"; + echo " Byte savings: {$savings}%\n"; + }src/Support/DiffRenderer.php (2)
63-69: The$optimizedproperty is never used.The
setOptimized()method sets the property, but it's never read inrenderDiff()or elsewhere. Either remove this dead code or implement the non-optimized path if it's intended for debugging/testing.If the intent is to allow disabling cursor/style optimization for debugging:
protected function renderDiff(CellBuffer $oldState, CellBuffer $newState): string { $cursor = new CursorOptimizer; $style = new StyleTracker; $parts = []; for ($row = 0; $row < $this->height; $row++) { for ($col = 0; $col < $this->width; $col++) { // ... cell comparison ... - // Get optimized cursor movement - $parts[] = $cursor->moveTo($row, $col); + // Get cursor movement + $parts[] = $this->optimized + ? $cursor->moveTo($row, $col) + : "\e[" . ($row + 1) . ';' . ($col + 1) . 'H';
89-91: Comment is misleading about complexity.The comment says "O(changed) not O(all)" but
renderDiffiterates over all cells (height × width) every frame. The output is O(changed), but the comparison is O(all). This is still efficient sinceCell::equals()is cheap, but the comment should be accurate.- // Direct comparison between old and new state - O(changed) not O(all) + // Compare all cells, but only output changes - output size is O(changed) $output = $this->renderDiff($this->terminalState, $newState);
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📒 Files selected for processing (25)
.gitattributes(1 hunks)OPTIMIZATION.md(1 hunks)composer.json(1 hunks)src/Buffers/AnsiBuffer.php(0 hunks)src/Buffers/Buffer.php(0 hunks)src/Buffers/PrintableBuffer.php(0 hunks)src/Commands/Command.php(5 hunks)src/Commands/Concerns/ManagesProcess.php(1 hunks)src/Commands/EnhancedTailCommand.php(1 hunks)src/Console/Commands/Local.php(1 hunks)src/Popups/Help.php(1 hunks)src/Popups/Popup.php(1 hunks)src/Popups/Quitting.php(1 hunks)src/Prompt/Dashboard.php(5 hunks)src/Prompt/Renderer.php(3 hunks)src/Providers/SoloServiceProvider.php(1 hunks)src/Support/AnsiMatch.php(0 hunks)src/Support/AnsiMatcher.php(0 hunks)src/Support/DiffRenderer.php(1 hunks)src/Support/Screen.php(0 hunks)tests/Support/ComparesVisually.php(1 hunks)tests/Unit/AnsiMatchTest.php(1 hunks)tests/Unit/AnsiTrackerTest.php(1 hunks)tests/Unit/DiffRendererTest.php(1 hunks)tests/Unit/ScreenTest.php(1 hunks)
💤 Files with no reviewable changes (6)
- src/Support/AnsiMatch.php
- src/Buffers/PrintableBuffer.php
- src/Buffers/Buffer.php
- src/Support/Screen.php
- src/Buffers/AnsiBuffer.php
- src/Support/AnsiMatcher.php
🧰 Additional context used
🧬 Code graph analysis (6)
src/Commands/Command.php (2)
src/Popups/Popup.php (1)
output(59-62)src/Support/ScreenOutput.php (1)
output(23-26)
src/Prompt/Dashboard.php (3)
src/Support/DiffRenderer.php (3)
DiffRenderer(25-163)setDimensions(53-61)render(77-97)src/Manager.php (1)
getRenderer(165-168)src/Prompt/Renderer.php (1)
getScreen(91-94)
src/Console/Commands/Local.php (3)
src/Commands/Command.php (1)
Command(24-411)src/Prompt/Renderer.php (1)
line(103-108)src/Prompt/Dashboard.php (1)
value(370-373)
src/Prompt/Renderer.php (3)
tests/Integration/Base.php (1)
write(237-240)src/Support/ScreenOutput.php (3)
write(28-35)output(23-26)writeln(37-44)src/Popups/Popup.php (1)
output(59-62)
src/Providers/SoloServiceProvider.php (1)
src/Manager.php (1)
commands(48-51)
tests/Unit/DiffRendererTest.php (2)
src/Support/DiffRenderer.php (5)
DiffRenderer(25-163)render(77-97)hasState(110-113)setDimensions(53-61)invalidate(102-105)src/Prompt/Dashboard.php (1)
render(254-287)
🔇 Additional comments (30)
.gitattributes (1)
13-14: LGTM!The export-ignore directives correctly exclude development-only commands from package distribution.
src/Console/Commands/Local.php (2)
141-164: LGTM!The composer.json writing logic properly handles reordering, encoding, and error cases with appropriate user feedback.
203-207: Path calculation ingetComposerPath()is correct.Verification confirms the
dirname(__DIR__, 3)call correctly resolves to the package root fromsrc/Console/Commands/Local.php, andcomposer.jsonexists at the expected location. The file location assumption holds true.tests/Unit/AnsiMatchTest.php (1)
14-14: LGTM!Import path correctly updated to reference the new
SoloTerm\Screen\AnsiMatchernamespace.tests/Support/ComparesVisually.php (1)
19-19: LGTM!Import path correctly updated to
SoloTerm\Screen\Screenmatching the package extraction.src/Popups/Help.php (1)
13-13: LGTM!Import path correctly updated to the extracted Screen package namespace.
tests/Unit/ScreenTest.php (1)
13-13: LGTM!Import updated to match the Screen package extraction to
SoloTerm\Screen\Screen.src/Commands/EnhancedTailCommand.php (1)
16-16: LGTM!Import correctly references the refactored Screen package namespace.
src/Commands/Concerns/ManagesProcess.php (1)
19-19: LGTM!Import path updated to align with the Screen package extraction.
tests/Unit/AnsiTrackerTest.php (1)
13-13: LGTM!The namespace migration from
SoloTerm\Solo\Buffers\AnsiBuffertoSoloTerm\Screen\Buffers\AnsiBuffercorrectly reflects the extraction of the AnsiBuffer class into the separate soloterm/screen package.src/Popups/Quitting.php (1)
13-13: LGTM!The import update correctly migrates to the new Screen namespace in the soloterm/screen package.
src/Popups/Popup.php (1)
13-13: LGTM!The namespace migration aligns with the broader refactoring to use the soloterm/screen package.
src/Providers/SoloServiceProvider.php (1)
49-57: LGTM!The refactoring from a single conditional check to a loop over development commands is a cleaner approach that scales well. The
class_exists()checks appropriately handle cases where these commands are excluded via .gitattributes in production.src/Prompt/Dashboard.php (2)
53-76: LGTM!The differential renderer integration is cleanly implemented with proper initialization and dimension tracking. The renderer is appropriately updated on resize, and its initialization in the constructor ensures it's ready from the first frame.
165-166: LGTM!Propagating dimension changes to the diff renderer is correct. This ensures the renderer can invalidate its state and perform a full redraw after resize.
src/Prompt/Renderer.php (3)
43-46: LGTM!Adding the Screen property enables centralized screen management and provides access for differential rendering.
66-81: LGTM!The refactoring to use
$this->screenthroughout the rendering pipeline is clean and maintains existing behavior while enabling the Screen instance to be accessed for differential rendering.
86-94: LGTM!The
getScreen()accessor is well-documented and appropriately returns nullable Screen, since the instance is only available after__invoke()is called. This enables Dashboard to access the Screen for differential rendering.src/Commands/Command.php (6)
16-16: LGTM!The namespace migration to
SoloTerm\Screen\Screenaligns with the broader refactoring to use the soloterm/screen package.
54-63: LGTM!The properties are well-documented and appropriately support the caching optimization for screen output rendering.
125-134: LGTM!Resetting the cache when dimensions change is correct, as a new screen instance is created and previous output is no longer valid.
236-241: LGTM!Resetting the cache when the screen is cleared ensures fresh rendering after the clear operation.
328-334: LGTM!The
hasNewOutput()helper provides a clean API for checking if the screen has new content since the last render.
312-326: Based on my verification attempts, I've found the following:Evidence gathered:
- ✅
soloterm/screenis confirmed as a required dependency incomposer.json(version ^1)- ✅ The
Screenclass is imported fromSoloTerm\Screen\Screennamespace throughout the codebase- ✅ The
getSeqNo()method is actively called insrc/Commands/Command.phpon lines 315 and 333- ❌ Web searches of the soloterm/screen GitHub repository did not locate a
getSeqNo()method- ❓ The soloterm/screen package source code could not be fully inspected through web search
Conclusion:
The verification is inconclusive. While the code depends onScreen::getSeqNo(), I cannot definitively confirm whether this method exists in the externalsoloterm/screenpackage through available search methods. The package may have this method undocumented, or it may be a recently added feature not yet indexed by search engines.
Verify that Screen::getSeqNo() method exists in the soloterm/screen package. The caching logic in
wrappedLines()andhasNewOutput()depends on this method to detect screen changes. This method call cannot be verified through public package documentation or repository inspection.composer.json (1)
24-24: The soloterm/screen ^1 dependency is valid and compatible.Verification confirms that soloterm/screen v1.0.0 exists on Packagist (released 2025-03-21). The version constraint
^1correctly references this package and is compatible with the project's PHP 8.2+ requirement and Laravel 10/11/12 support specified in composer.json.OPTIMIZATION.md (1)
1-92: Well-structured documentation for the new rendering optimization.The documentation clearly explains the differential rendering approach, integration points, and provides useful commands for testing and local development. The 99.5% byte savings claim aligns with the benchmark tests.
tests/Unit/DiffRendererTest.php (2)
33-50: Good test for identical frame optimization.The test correctly verifies that identical frames produce no diff output, which is the core optimization benefit. Using separate Screen instances (
$screen1and$screen2) with identical content validates value-based comparison rather than reference-based.
52-81: Test validates diff efficiency effectively.The test properly fills the screen, changes a single line, and verifies the diff output is smaller than full redraw. The assertion at line 80 correctly validates the optimization benefit.
src/Support/DiffRenderer.php (2)
77-97: Clean implementation of the differential rendering pipeline.The render method properly handles:
- First frame detection with full output
- State conversion and comparison
- Atomic state replacement after diff computation
The
"\e[H"cursor home prefix on first frame ensures consistent positioning.
129-142: The review comment is incorrect; dimension mismatches cannot occur in this codebase.The concern presumes that
render()can be called with aScreenwhose dimensions don't matchDiffRenderer's stored$widthand$height. However, the actual codebase enforces dimension synchronization:
- Initialization: Dashboard constructor creates
DiffRendererwith synchronized dimensions (line 61)- On resize: Dashboard's
handleResize()callssetDimensions()on DiffRenderer before any render (line 165)- Renderer setup: Renderer copies dimensions from Dashboard (line 53), ensuring Screen matches DiffRenderer
- Render call: Dashboard's
renderFrame()(line 267) callsrender()only after dimensions are synchronizedThe design enforces the contract that dimensions are always synchronized before
render()is called. WhilegetCell()lacks explicit bounds checking, it will never be called with out-of-bounds coordinates in actual usage. The try-catch wrapper (line 265) is defensive but addresses other potential errors, not dimension mismatches.No fixes are required—the code is correct.
Likely an incorrect or invalid review comment.
| $composer['repositories'] = array_values(array_filter($composer['repositories'], function ($repo) { | ||
| // Keep repos that aren't path repos pointing to screen | ||
| if (!isset($repo['type']) || $repo['type'] !== 'path') { | ||
| return true; | ||
| } | ||
|
|
||
| // Remove if it looks like a screen path | ||
| return !isset($repo['url']) || !str_contains($repo['url'], 'screen'); | ||
| })); |
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Overly broad repository filtering could remove unintended repos.
Line 115 uses str_contains($repo['url'], 'screen') to identify screen-related repositories. This is too broad and could accidentally remove unintended path repositories (e.g., ../my-screen-saver, ../screencasts).
Make the filtering more specific:
$composer['repositories'] = array_values(array_filter($composer['repositories'], function ($repo) {
// Keep repos that aren't path repos pointing to screen
if (!isset($repo['type']) || $repo['type'] !== 'path') {
return true;
}
- // Remove if it looks like a screen path
- return !isset($repo['url']) || !str_contains($repo['url'], 'screen');
+ // Remove only if it ends with 'screen' or 'screen/' to avoid false positives
+ if (!isset($repo['url'])) {
+ return true;
+ }
+ $url = rtrim($repo['url'], '/');
+ return !str_ends_with($url, '/screen') && $url !== 'screen' && !str_ends_with($url, '/soloterm-screen');
}));📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| $composer['repositories'] = array_values(array_filter($composer['repositories'], function ($repo) { | |
| // Keep repos that aren't path repos pointing to screen | |
| if (!isset($repo['type']) || $repo['type'] !== 'path') { | |
| return true; | |
| } | |
| // Remove if it looks like a screen path | |
| return !isset($repo['url']) || !str_contains($repo['url'], 'screen'); | |
| })); | |
| $composer['repositories'] = array_values(array_filter($composer['repositories'], function ($repo) { | |
| // Keep repos that aren't path repos pointing to screen | |
| if (!isset($repo['type']) || $repo['type'] !== 'path') { | |
| return true; | |
| } | |
| // Remove only if it ends with 'screen' or 'screen/' to avoid false positives | |
| if (!isset($repo['url'])) { | |
| return true; | |
| } | |
| $url = rtrim($repo['url'], '/'); | |
| return !str_ends_with($url, '/screen') && $url !== 'screen' && !str_ends_with($url, '/soloterm-screen'); | |
| })); |
🤖 Prompt for AI Agents
In src/Console/Commands/Local.php around lines 108 to 116, the current filter
uses str_contains($repo['url'], 'screen') which is too broad and may drop repos
like "../screencasts" or "../my-screen-saver"; change the check to detect a path
segment exactly named "screen" (or "screen" as the final path component) by
normalizing the URL and using a stricter match (e.g. a regex that matches
'/(^|[\/\\\])screen([\/\\\]|$)/' or checking basename after trimming trailing
slashes) so only repositories whose path segment is exactly "screen" are
removed; keep the existing isset checks and ensure Windows backslashes are
handled.
- Remove absolute path from CLAUDE.md documentation - Fix PTY discovery to support Linux /dev/pts/* pseudo-terminals - Dynamically detect controlling TTY instead of hardcoding /dev/ttys000 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <[email protected]>
Process management improvements
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Actionable comments posted: 2
🧹 Nitpick comments (21)
src/Commands/EnhancedTailCommand.php (1)
133-134: Consider simplifying the pattern construction.Moving the pattern calculation outside the loop is a solid optimization. However, the construction using
'XXX'as a placeholder and then removing it withbefore('XXX')is somewhat indirect.Consider a more direct approach:
- // Pattern for finding invisible compressed line counts - calculate once outside loop - $pattern = str($this->dim(' ...') . $this->cachedTheme->invisible('XXX'))->before('XXX')->value(); - + // Pattern for finding invisible compressed line counts - calculate once outside loop + $dimEllipsis = $this->dim(' ...'); + $pattern = $dimEllipsis; // Match everything before the invisible countOr keep as-is if the current approach better matches how the pattern is used in line 140.
CLAUDE.md (2)
59-73: Add language specifier to fenced code block.The code block showing the component hierarchy is missing a language specifier. Since it's ASCII art/diagram, use
textorplaintext.-``` +```text php artisan solo
170-170: Minor grammar fix: use hyphenated compound adjective."5 second timeout" should be "5-second timeout" when used as a compound adjective.
-- **Stopping**: Stop initiated, waiting for graceful shutdown (5 second timeout) +- **Stopping**: Stop initiated, waiting for graceful shutdown (5-second timeout)src/Support/ProcessTracker.php (1)
118-129: Potential false positive inisRunning()if PID appears in command name.The grep pattern could match if the PID number appears in the command column output (e.g., process 123 running
myapp --port=1234where1234contains123). Consider using a more precise pattern.- exec("ps -p {$pid} 2>/dev/null | grep {$pid}", $output); + exec("ps -p {$pid} -o pid= 2>/dev/null", $output); + $output = array_filter(array_map('trim', $output), fn($v) => (int)$v === $pid);Alternatively, use word boundaries in grep:
grep -w {$pid}or use the simpler-o pid=approach consistent withrunning().src/Prompt/Dashboard.php (1)
356-376: Handlestream_selecterror case.When
stream_selectreturnsfalse, it indicates an error (e.g., interrupted by a signal). Currently, this case falls through without processing, which is mostly safe but could be made explicit. The@suppression handles the warning, but you might want to explicitly handle the error case for clarity.$result = @stream_select($read, $write, $except, $seconds, $microseconds); - if ($result === 1) { + if ($result === false) { + // Interrupted by signal or error - just continue to next iteration + return; + } + + if ($result > 0) { // Input is available - mark activity and process itNote:
result > 0is more robust than=== 1since multiple streams could theoretically be ready.PROCESS_MANAGEMENT_IMPROVEMENTS.md (16)
23-43: Add language identifier to architecture diagram code block.Line 23 opens a fenced code block without specifying a language. While the ASCII diagram is not executable, adding a plain text or mermaid identifier improves accessibility and documentation quality.
-``` +```plaintext ┌─────────────────────────────────────────────────────────────────┐
99-170: Issue C2 (Race Condition in Child Discovery) — Clarify the grace period semantics.The proposed fix (lines 130–165) re-enumerates children during
marshalProcess()to catch new child processes forked during the SIGTERM grace period. This is sound, but the implementation lacks clarity on:
- Whether
marshalProcess()is called on every event loop tick (estimated frequency needed)- Whether re-enumeration should happen on every tick or at fixed intervals to avoid overhead
- Whether the logic assumes children will still be discoverable if they've already exited
Consider adding a comment or constant documenting the intended polling/re-enumeration strategy.
protected function marshalProcess(): void { // ... existing logic ... + // Re-enumerate children during grace period to catch new processes forked by parent + // during SIGTERM handling. This runs every event loop tick (~25ms). if ($this->stopping && $this->processRunning()) { $this->sendTermSignals(); }
172-225: Issue C3 (Recursion Depth Limit) — Proposed fix is sound but$seenlogic can be optimized.The depth-limit and circular-reference protections are necessary. However, the implementation stores
$seenlocally per call, meaning it doesn't persist across recursive calls—each level will re-validate previously seen PIDs. Consider making$seena reference parameter to avoid redundant checks.-public static function children($pid, $processes = null, int $depth = 0, int $maxDepth = 50): array +public static function children($pid, $processes = null, int $depth = 0, int $maxDepth = 50, ?array &$seen = null): array { if ($depth >= $maxDepth) { return []; // Prevent runaway recursion } if (is_null($processes)) { $processes = static::getProcessList(); } $children = []; - $seen = []; // Prevent circular references + $seen ??= []; // Prevent circular references
228-247: Issue C4 (Type Juggling) — Proposed fix is correct but incomplete for production code.Casting both sides to
intbefore strict comparison is correct. However, if$process['ppid']can be a string from shell output, casing should happen during parsing, not on every comparison. The fix should also be applied when$processarray is initially populated.Consider casting PID/PPID to integers when parsing process list output:
-$processes[] = ['pid' => $pid, 'ppid' => $ppid]; +$processes[] = ['pid' => (int)$pid, 'ppid' => (int)$ppid];Then the comparison simplifies to
$process['ppid'] === $pidwithout runtime casting.
250-276: Issue C5 (Error Handling in stop() Shell Commands) — Proposed fix is sound.The defensive null/false checks are appropriate. However, the fix uses
@shell_exec()which silences the warning; consider logging the condition instead for observability, especially in debug mode.-$command = @shell_exec("ps -o command= -p $pid 2>/dev/null"); +$command = shell_exec("ps -o command= -p $pid 2>/dev/null"); if ($command === null || $command === false) { + // Log in debug mode for troubleshooting + if (config('app.debug')) { + Log::debug("Failed to retrieve command for PID {$pid}"); + } continue; }
280-327: Issue P1 (Process List Caching) — Validate cache TTL is appropriate and include clear semantics.The proposed caching strategy (100ms TTL) is reasonable for a 25ms event loop (4 cycles between clears). However:
- The cache invalidation strategy is manual (
clearCache())—consider when/where it should be called- The cache uses millisecond precision via
microtime(true) * 1000, which is fragile if system clock adjusts- Option B (Linux /proc) is valuable but should not replace Option A; both could coexist with fallback
Consider documenting cache invalidation points (e.g., after kill, after stop).
Before implementing caching, verify:
- Where
clearCache()should be called (afterkill(), afterstop(), etc.)- Whether the 100ms TTL is empirically validated or estimated
- Whether platform detection (Linux /proc vs. ps) should be automatic or configurable
328-350: Add language identifier to /proc code block and validate Linux-specific path.Line 328 opens a code block without language identifier. Additionally, the glob pattern
'/proc/[0-9]*'should be validated for edge cases (e.g., symlink directories, permission issues).-```php +```php public static function getProcessListLinux(): arrayAlso consider adding error handling for files that become unreadable during iteration (e.g., processes exiting mid-scan).
356-423: Issue P2 (lsof Parsing in Resize Handler) — Proposed caching strategy is sound; validate debounce timing.The caching of PTY device path per process is sensible. However, the debounce logic in
Dashboard::handleResize()(line 413) uses a 100ms threshold (0.1seconds), which may conflict with the event loop's 25ms tick. Clarify whether debouncing should happen at the Dashboard level or the command level, to avoid redundant state.Document the debounce threshold and event loop cadence:
+// Debounce resize events: max 10/second (100ms apart) +// Event loop runs at ~25ms, so resize is processed every ~4 ticks private ?float $lastResizeTime = null;
426-461: Issue P3 & P4 (Output Buffering) — Proposed optimizations are marginal but sound.Both P3 (string concatenation via array chunks) and P4 (grapheme boundary detection) are correct optimizations, but:
- P3: Modern PHP 8+ already optimizes string concatenation in tight loops; measure before optimizing.
- P4: The fast-path UTF-8 boundary detection (lines 488–496) is clever but assumes little-endian byte order. Add a comment or validate on different architectures.
For P4, the fallback to regex is good defensive coding.
public function sliceBeforeLogicalCharacterBoundary(string $input): string { $len = strlen($input); - // Fast path: find last safe UTF-8 boundary by scanning backwards + // Fast path: find last safe UTF-8 boundary by scanning backwards. + // UTF-8 encoding: continuation bytes have bit pattern 10xxxxxx (0x80–0xBF). + // A leading byte has pattern 0xxxxxxx (0x00–0x7F) or 11xxxxxx (0xC0–0xFF). for ($i = $len - 1; $i >= max(0, $len - 6); $i--) {
547-620: Issue R1 (Monitor Polling) — Proposed fix improves reliability but introduces thread-like behavior.The change from 1-second to 250ms polling improves orphan detection latency (reduces accumulation window). However:
- Shorter sleep intervals will increase CPU usage during extended monitoring—consider a hybrid approach (adaptive polling).
- The time-based culling check (
time() - $lastCullTime >= 10) relies on wall-clock time, which can be affected by system suspend/clock skew. Usemicrotime()for consistency.- The "less aggressive cleanup" comment (500ms wait before final enumeration) is vague—clarify why 500ms vs. other values.
The overall approach is sound.
- while (true) { - // More frequent child discovery (250ms instead of 1s) - usleep(250_000); + // Adaptive polling: 250ms for active monitoring, 1s during idle wait + $pollInterval = 250_000; + + while (true) { + usleep($pollInterval);
623-662: Issue R2 (Graceful Kill) — Proposed fix is sound but parameters need defensive checks.The
$gracefulparameter and SIGTERM-before-SIGKILL pattern are correct. However:
- The 100ms grace period is hardcoded—should this be configurable or tied to process state?
- The function silently succeeds if
$pidsis empty (line 645), which is fine but worth documenting.- No logging of actual kill attempts—add logging for observability.
public static function kill(array $pids, bool $graceful = false): void { if (empty($pids)) { return; // No-op, safe } $pidList = implode(' ', array_map('intval', $pids)); if ($graceful) { - // Try SIGTERM first + // Try SIGTERM first (100ms grace period) exec("kill -15 {$pidList} > /dev/null 2>&1"); + Log::debug("Sent SIGTERM to PIDs", ['pids' => $pids]); usleep(100_000); } // Then SIGKILL to ensure termination exec("kill -9 {$pidList} > /dev/null 2>&1"); + Log::debug("Sent SIGKILL to PIDs", ['pids' => $pids]); }
665-720: Issue R3 (Reflection Safety) — Proposed fix is comprehensive and defensive.The added checks for property existence, null guards, and exception handling are appropriate. However:
- The logging uses
Log::warning()which may be too noisy if this is a transient condition. ConsiderLog::debug()for non-critical compatibility issues.- The function returns
nullon failure; callers must handle this gracefully—add a docstring clarifying return type.-protected function withSymfonyProcess(Closure $callback) +/** + * Safely access Symfony Process instance via reflection. + * + * @return mixed Callback result, or null if reflection fails. + */ +protected function withSymfonyProcess(Closure $callback) { if (!$this->process) { return null; } try { $reflection = new ReflectionClass(InvokedProcess::class); if (!$reflection->hasProperty('process')) { - // Log warning and return gracefully - Log::warning('Solo: InvokedProcess internal structure changed'); + // Log as debug; may be temporary framework incompatibility + Log::debug('Solo: InvokedProcess internal structure changed'); return null; }
119-119: Add language identifiers to fenced code blocks.Multiple code blocks lack language specifications (lines 119, 299, 328, 915). While the content is understandable, adding identifiers improves rendering and accessibility.
- Line 119 (scenario diagram): Use
plaintext- Line 299 (exec call example): Use
php- Line 328 (glob/Linux path example): Use
php- Line 915 (file structure): Use
plaintextExample fix:
-``` +```plaintext stop() called → children = [1234, 1235]Also applies to: 299-299, 328-328, 915-915
299-299: Use heading instead of emphasis for section demarcation.Lines 299 ("Proposed Fix Option A: Cache with TTL") and 328 ("Proposed Fix Option B: Use /proc filesystem (Linux only)") use emphasis (
**...**) where subheadings would be clearer. This improves document navigation and consistency.-**Proposed Fix Option A: Cache with TTL** +### Proposed Fix Option A: Cache with TTLAlso applies to: 328-328
765-765: Fix hyphenation in "error-handling" compound adjective.Line 765 reads "Create consistent error handling policy" but should use a hyphen to join the compound adjective.
-Create consistent error handling policy: +Create consistent error-handling policy:
1-50: Plan is comprehensive and well-structured; validate prioritization against PR timeline.Overall, this plan is thorough and well-organized. It identifies real issues (output collection side effects, race conditions, caching opportunities) and proposes sound fixes with appropriate effort estimates. However:
Scope validation: The PR objectives mention "process management improvements," but this document proposes 13 improvements across 4 categories. Clarify which improvements are in scope for this PR vs. future phases.
Integration with Screen package: The plan focuses on process management but doesn't explicitly address how the new
soloterm/screenpackage integration affects process output buffering (e.g., does Screen handle output collection differently, reducing reliance on side effects mentioned in C1?).Testing coverage: The Testing Strategy (lines 869–898) proposes unit and integration tests, but doesn't specify whether these tests are already written or planned. Confirm test implementation status.
Backward compatibility note: Line 902 claims all changes are backward compatible, but some changes (e.g., C1 modifying output collection, P1 adding caching) could have subtle behavioral effects. Consider documenting migration notes or feature flags.
Please clarify:
- Which issues (C1–Q3) are being addressed in this PR vs. deferred to future phases?
- How does the Screen package integration (mentioned in PR objectives) affect these process management improvements?
- Are tests for these improvements already written, or are they planned?
- Should any changes be gated behind feature flags or configuration for gradual rollout?
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📒 Files selected for processing (16)
CLAUDE.md(1 hunks)PROCESS_MANAGEMENT_IMPROVEMENTS.md(1 hunks)composer.json(1 hunks)src/Commands/Concerns/ManagesProcess.php(12 hunks)src/Commands/EnhancedTailCommand.php(10 hunks)src/Commands/MakeCommand.php(1 hunks)src/Console/Commands/Monitor.php(2 hunks)src/Prompt/Dashboard.php(6 hunks)src/Support/CapturedMultiSelectPrompt.php(0 hunks)src/Support/CapturedPrompt.php(2 hunks)src/Support/CapturedQuickPickPrompt.php(0 hunks)src/Support/CapturedSearchPrompt.php(0 hunks)src/Support/CapturedSuggestPrompt.php(0 hunks)src/Support/CapturedTextPrompt.php(0 hunks)src/Support/KeyPressListener.php(1 hunks)src/Support/ProcessTracker.php(4 hunks)
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- src/Support/CapturedQuickPickPrompt.php
- src/Support/CapturedSearchPrompt.php
- src/Support/CapturedSuggestPrompt.php
- src/Support/CapturedTextPrompt.php
- src/Support/CapturedMultiSelectPrompt.php
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- composer.json
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🧬 Code graph analysis (5)
src/Commands/MakeCommand.php (1)
src/Support/PendingProcess.php (1)
input(27-32)
src/Console/Commands/Monitor.php (1)
src/Support/ProcessTracker.php (5)
ProcessTracker(14-222)children(45-76)running(137-164)isRunning(118-129)kill(84-108)
src/Support/CapturedPrompt.php (5)
src/Popups/Popup.php (1)
handleInput(55-55)src/Popups/Help.php (1)
handleInput(31-38)src/Popups/CommandPalette.php (1)
handleInput(54-63)src/Popups/TabPicker.php (1)
handleInput(72-81)src/Support/CapturedPromptInterface.php (1)
handleInput(18-18)
src/Commands/EnhancedTailCommand.php (6)
src/Manager.php (1)
theme(124-152)src/Themes/LightTheme.php (3)
invisible(84-89)dim(74-77)exception(79-82)src/Themes/DarkTheme.php (1)
invisible(43-48)src/Contracts/Theme.php (3)
invisible(43-43)dim(39-39)exception(41-41)src/Support/BaseConverter.php (2)
BaseConverter(7-52)toString(11-32)src/Commands/Command.php (1)
wrapLine(348-390)
src/Commands/Concerns/ManagesProcess.php (1)
src/Support/ProcessTracker.php (3)
ProcessTracker(14-222)children(45-76)running(137-164)
🪛 LanguageTool
PROCESS_MANAGEMENT_IMPROVEMENTS.md
[style] ~9-~9: Consider a different adjective to strengthen your wording.
Context: ...ring. --- ## Executive Summary After deep analysis of the process management code...
(DEEP_PROFOUND)
[grammar] ~765-~765: Use a hyphen to join words.
Context: ...Proposed Fix:* Create consistent error handling policy: ```php class ProcessTr...
(QB_NEW_EN_HYPHEN)
[style] ~939-~939: “Low-Hanging Fruit” can be a clichéd phrase in professional communication. Consider an alternative expression to make your writing more engaging and original.
Context: ...the most noticeable improvements. 3. Low-Hanging Fruit: Recursion limits (C3), type fixes (C...
(LOW_HANGING_FRUIT)
CLAUDE.md
[grammar] ~170-~170: Use a hyphen to join words.
Context: ...tiated, waiting for graceful shutdown (5 second timeout) - Stopped: Process e...
(QB_NEW_EN_HYPHEN)
🪛 markdownlint-cli2 (0.18.1)
PROCESS_MANAGEMENT_IMPROVEMENTS.md
23-23: Fenced code blocks should have a language specified
(MD040, fenced-code-language)
119-119: Fenced code blocks should have a language specified
(MD040, fenced-code-language)
299-299: Emphasis used instead of a heading
(MD036, no-emphasis-as-heading)
328-328: Emphasis used instead of a heading
(MD036, no-emphasis-as-heading)
915-915: Fenced code blocks should have a language specified
(MD040, fenced-code-language)
CLAUDE.md
59-59: Fenced code blocks should have a language specified
(MD040, fenced-code-language)
105-105: Emphasis used instead of a heading
(MD036, no-emphasis-as-heading)
🪛 PHPMD (2.15.0)
src/Commands/EnhancedTailCommand.php
320-320: Avoid unused parameters such as '$v'. (undefined)
(UnusedFormalParameter)
🔇 Additional comments (21)
src/Support/CapturedPrompt.php (1)
13-13: CentralizedhandleInputbehavior looks good; confirm completion semantics and consider minor guardThis trait-level
handleInputnicely standardizes prompt input handling and completion, and the newKeyimport is used appropriately forCTRL_Cdetection.Two small points to double‑check / consider:
- This now relies on
handleKeyPressreturningfalseto signal completion. Please confirm that all underlying Laravel prompt types you wrap actually returnfalseon “done” (enter / selection / abort) so$this->completeis always set; otherwise some prompts might never be marked complete unlessCTRL_Cis pressed.- As a minor polish, you could early‑out when already complete to avoid invoking the native handler again after listeners have been cleared (e.g.
if ($this->complete) return;), though that’s more of a defensive micro‑optimization than a requirement.Overall the change looks sound; I’d just verify those semantics across the prompts you’re capturing.
Also applies to: 93-101
src/Commands/EnhancedTailCommand.php (7)
16-16: LGTM! Import updated to use extracted screen package.The import change aligns with the PR objectives to integrate the external
soloterm/screenpackage.
40-48: LGTM! Cache properties well-documented.The new cache properties are clearly documented and support the performance optimization goals of this refactor.
62-75: LGTM! Effective caching strategy implemented.The theme and base path caching eliminates repeated facade lookups and
function_existschecks, providing meaningful performance improvements. The Orchestra Testbench path detection is appropriate for testing environments.
107-108: LGTM! Atomic truncation is simpler and safer.Replacing the manual file handle management with
file_put_contentsprovides atomic truncation without explicit resource handling.
177-177: LGTM! Uses cached theme consistently.
323-342: LGTM! Cached theme used consistently.Assigning the cached theme to a local variable before the closures is a clean pattern.
344-404: LGTM! Comprehensive use of cached properties.The method consistently uses the cached theme and base path throughout, eliminating repeated lookups and function checks. The caching on lines 346 and 372 is particularly effective for the frequently-called formatting logic.
src/Support/KeyPressListener.php (1)
22-30: The verification request cannot be fully completed as it depends on an external Chewie package.The original review comment requests verification of concerns about the parent class's
handleKeymethod. However:
- The parent class
\Chewie\Input\KeyPressListeneris from the external Composer packagejoetannenbaum/chewie ^0.1, which is not available in the repository.- The
handleKeymethod is not defined in this codebase—it's inherited from that external package.- The web search could not locate public documentation for this package.
What can be confirmed:
- The
processKeymethod is actively used in production code (src/Prompt/Dashboard.php:374)- The delegation pattern is consistent with other methods in the class (e.g.,
clear()delegates toclearExisting())- No apparent errors or issues are reported in the codebase
Original review's concerns remain unanswerable without access to the Chewie package source.
src/Console/Commands/Monitor.php (2)
17-31: Well-defined constants improve readability and maintainability.Good practice extracting magic numbers into named constants with clear documentation. The values are reasonable: 250ms polling for responsiveness, 10s culling to avoid stale data, and 500ms grace period for natural termination.
69-79: Behavior confirmed:ProcessTracker::children()will return an empty array after parent death on Unix-like systems.The method discovers children by querying the live process table for processes with matching PPID. However, when a parent process dies on Linux/macOS:
- Child processes are immediately reparented to init (PID 1)
- Their PPID changes from the dead parent's PID to 1
children($parent)queries the updated process table and finds no matches (since no process has the dead parent's PID anymore)The code is functionally correct because:
- The
$childrenarray already contains processes discovered before parent death- The grace period (line 68) allows those children to exit cleanly
- New children spawned after parent death are orphaned and reparented—they can't be traced via the dead parent's PID anyway
- The intent to "catch any last spawns" is achieved through maintaining the accumulated list
The design properly handles the OS-level process lifecycle despite the reparenting behavior. No issues found.
src/Support/ProcessTracker.php (2)
56-76: The$seenarray has limited scope - only prevents duplicates within direct children.The
$seenarray is initialized fresh in each call tochildren(), so it only deduplicates the immediate children of a single parent. Sincechildren()is called recursively with the same$processesarray passed down, this should still work correctly because the same child won't appear as a direct child of multiple parents simultaneously in a well-formed process tree. However, if the intent was to prevent revisiting the same PID across the entire traversal, you'd need to pass$seenas a parameter.Given that process trees are acyclic by nature (a process can only have one parent), this is acceptable.
166-211: Process list caching implementation looks solid.Good implementation with:
- TTL-based invalidation
- OS-specific commands for Darwin vs Linux
- Proper parsing with preg_split
- Cache clearing method for testing
src/Prompt/Dashboard.php (2)
53-93: Well-structured adaptive rendering configuration.The constants for frame intervals and idle thresholds are well-documented and provide a good balance between responsiveness (40 FPS when active) and CPU efficiency (10 FPS when idle). The gradual slowdown after 8 idle ticks is a sensible approach.
427-460: Graceful fallback from differential to string-based rendering.The try-catch around differential rendering with fallback to string comparison is a robust pattern. Disabling the diff renderer after an error prevents repeated failures. The string-based fallback using
prevFramecomparison ensures the UI continues to function.src/Commands/Concerns/ManagesProcess.php (5)
174-178: Good security fix: escaping locale values.Using
escapeshellarg()on the locale value prevents command injection if the locale contains special characters.
286-320: Robust child process termination with re-enumeration.The
sendTermSignals()method correctly:
- Re-enumerates children to catch newly spawned processes
- Gracefully handles already-exited processes
- Skips the Screen wrapper to avoid premature termination
- Uses
posix_killwith SIGTERM for graceful shutdown
446-480: Defensive reflection with proper error handling.Excellent defensive coding around the reflection-based access to Symfony's internal process. Logging warnings when the internal structure changes will help debug compatibility issues with future Laravel/Symfony versions.
539-601: Explicit output collection with activity tracking.The refactored
collectIncrementalOutput()is cleaner:
- Explicitly triggers pipe reading via
getIncrementalOutput()- Tracks output activity for adaptive rendering
- Maintains the buffer size limits and safe slicing logic
399-430: Regex pattern is comprehensive and appropriate for the intended use case.The regex
#(/dev/(tty\S+|pty\S+|pts/\d+))#is well-designed for discovering PTY devices vialsofoutput for terminal resizing operations. Analysis confirms:
- Linux (Unix98):
/dev/pts/\d+pattern correctly matches slave devices- BSD/macOS:
/dev/tty\S+covers both traditional/dev/ttyXYpairs and macOS/dev/ttysNNNnumbering- Master devices:
/dev/pty\S+pattern would match/dev/ptyXYand/dev/ptm//dev/ptmxif present inlsofoutput (though allocation devices rarely appear)Typical
lsofoutput for processes with PTY connections shows device names like/dev/pts/1,/dev/tty1, etc.—all of which are matched. The function correctly excludes/dev/console(system console, not a PTY). The caching mechanism (lines 379-382) prevents repeatedlsofcalls.No substantive edge cases exist that would cause the function to fail on standard Unix-like systems.
PROCESS_MANAGEMENT_IMPROVEMENTS.md (1)
55-97: Symfony Process methodsgetIncrementalOutput()andgetIncrementalErrorOutput()are stable, well-established public APIs—no action needed.These methods have existed since Symfony 2.2 (2013) and are available in all versions used by Solo:
- Laravel 10: Symfony 6.x ✓
- Laravel 11 & 12: Symfony 7.x ✓
The proposed fix is sound and based on documented, stable Symfony APIs. The implementation in
ManagesProcess.php(lines 547–551) already correctly uses these methods to trigger explicit pipe reading without relying on undocumented side effects ofrunning(). The concern about framework internals is valid, but the solution provided addresses it with proven, public methods that will remain stable across framework updates.
| // Send multiple Ctrl+C signals to exit potentially nested prompts. | ||
| // Each prompt may need its own signal to close properly. | ||
| for ($i = 0; $i < 3; $i++) { | ||
| if ($this->input->isClosed()) { | ||
| break; | ||
| } | ||
| $this->input->write(Key::CTRL_C); | ||
| } |
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🌐 Web query:
Symfony Component Process InputStream write closed error handling
💡 Result:
Short answer
- Don't write after InputStream::close() — InputStream tracks a closed state; check isClosed() before write() and call close() only when done. Use try/catch around write() to handle the rare runtime error if close races with a write. See Symfony docs/examples. [1][2]
Recommended patterns
-
Safe check before writing:
$input = new InputStream();
if (! $input->isClosed()) {
$input->write($data);
} -
Handle race conditions with try/catch:
try {
$input->write($data);
} catch (\RuntimeException $e) {
// write failed because stream was closed — handle/log/retry as appropriate
} -
Use onEmpty() to be notified when the internal buffer is drained (so you can feed more data) and call close() only when all data has been sent.
References
- Symfony Process docs — Streaming to the Standard Input / InputStream. [1]
- Symfony blog post introducing InputStream (examples and usage). [2]
Sources
[1] Symfony Process component docs — InputStream / streaming to stdin. (symfony.com)
[2] Symfony blog: New in Symfony 3.1 — Input and Output Stream for Processes. (symfony.com)
Citations:
- 1: https://symfony.com/doc/6.1/components/process.html?utm_source=openai
- 2: https://symfony.com/blog/new-in-symfony-3-1-input-and-output-stream-for-processes?utm_source=openai
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Based on my verification, I now have enough information to provide a rewritten review comment. The original concern about TOCTOU race condition is valid and confirmed by Symfony documentation. The code checks isClosed() before writing, but there is still a small window where the stream could close between the check and the write call, which could throw a RuntimeException. Symfony's documentation recommends using try/catch for this scenario.
Add try/catch around write() to handle potential RuntimeException from race condition.
The code checks isClosed() before writing (line 29–32), which is good practice. However, Symfony's InputStream documentation confirms that a RuntimeException can still be thrown if the stream closes between the isClosed() check and the write() call. While this is a small window, it's recommended to wrap the write in try/catch for robustness.
Consider:
for ($i = 0; $i < 3; $i++) {
if ($this->input->isClosed()) {
break;
}
try {
$this->input->write(Key::CTRL_C);
} catch (\RuntimeException $e) {
// Stream closed; exit gracefully
break;
}
}Note: The same pattern exists in sendInput() (line 226–227) without error handling. Consider applying this fix consistently across the codebase.
🤖 Prompt for AI Agents
In src/Commands/MakeCommand.php around lines 26 to 33, the loop writes Ctrl+C
after checking isClosed(), but a TOCTOU race can still cause write() to throw a
RuntimeException; wrap the $this->input->write(Key::CTRL_C) call in a try/catch
that catches \RuntimeException, breaks out of the loop (or otherwise exits
gracefully) when caught, and keep the existing isClosed() check; also apply the
same try/catch pattern to the sendInput() usage around lines 226-227 to handle
the same potential race.
- Normalize trailing slashes when comparing repository paths - Add warning and create dependency if soloterm/screen not in require - Use str_ends_with for more precise repository filtering 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <[email protected]>
There was a problem hiding this comment.
Actionable comments posted: 5
♻️ Duplicate comments (5)
src/Commands/MakeCommand.php (1)
26-33: Good refactor, but the TOCTOU race condition from the previous review remains unaddressed.The refactor from three method calls to a loop is cleaner and the comments are helpful. However, the previously identified race condition between
isClosed()(line 29) andwrite()(line 32) still exists. As noted in the prior review with Symfony documentation verification, wrapping thewrite()call in a try/catch block is recommended to handle the potential RuntimeException.Please apply the suggested fix from the previous review:
for ($i = 0; $i < 3; $i++) { if ($this->input->isClosed()) { break; } try { $this->input->write(Key::CTRL_C); } catch (\RuntimeException $e) { // Stream closed; exit gracefully break; } }src/Commands/EnhancedTailCommand.php (1)
320-320: Address the unused parameter warning.PHPMD flags the
$vparameter as unused. This was already noted in a previous review.As suggested previously, use an underscore placeholder:
- return $lines->filter(fn($v, $k) => isset($keep[$k])); + return $lines->filter(fn($_, $k) => isset($keep[$k]));src/Console/Commands/Local.php (3)
66-72: Path comparison doesn't normalize trailing slashes.The check for an existing path repository compares URLs exactly without normalization. This could result in duplicate repositories if paths differ only by trailing slashes (e.g.,
../screenvs../screen/).Consider normalizing paths before comparison:
$hasPathRepo = false; +$normalizedPath = rtrim($path, '/'); foreach ($composer['repositories'] as $repo) { - if (isset($repo['type']) && $repo['type'] === 'path' && isset($repo['url']) && $repo['url'] === $path) { + if (isset($repo['type']) && $repo['type'] === 'path' && isset($repo['url']) && rtrim($repo['url'], '/') === $normalizedPath) { $hasPathRepo = true; break; } }
86-88: Silent failure if soloterm/screen not in require.If
soloterm/screenis not present in therequiresection, the command silently skips updating it. This could leave the composer.json in an inconsistent state where the repository is added but the dependency isn't updated.Consider adding explicit handling:
-if (isset($composer['require']['soloterm/screen'])) { +if (!isset($composer['require']['soloterm/screen'])) { + $this->warn('soloterm/screen not found in require section. Adding it now.'); + $composer['require']['soloterm/screen'] = '@dev'; +} else { $composer['require']['soloterm/screen'] = '@dev'; +}
108-116: Overly broad repository filtering could remove unintended repos.Line 115 uses
str_contains($repo['url'], 'screen')to identify screen-related repositories. This is too broad and could accidentally remove unintended path repositories (e.g.,../my-screen-saver,../screencasts).Make the filtering more specific:
$composer['repositories'] = array_values(array_filter($composer['repositories'], function ($repo) { // Keep repos that aren't path repos pointing to screen if (!isset($repo['type']) || $repo['type'] !== 'path') { return true; } - // Remove if it looks like a screen path - return !isset($repo['url']) || !str_contains($repo['url'], 'screen'); + // Remove only if it ends with 'screen' or 'screen/' to avoid false positives + if (!isset($repo['url'])) { + return true; + } + $url = rtrim($repo['url'], '/'); + return !str_ends_with($url, '/screen') && $url !== 'screen' && !str_ends_with($url, '/soloterm-screen'); }));
🧹 Nitpick comments (13)
src/Commands/EnhancedTailCommand.php (1)
40-48: Consider adding a type hint for$cachedTheme.The
$cachedBasePathproperty is properly typed, but$cachedThemelacks a type declaration. Based on the relevant code snippets, this should beTheme.Apply this diff to add the type hint:
+use SoloTerm\Solo\Contracts\Theme; + /** * Cached theme instance for performance. */ -protected $cachedTheme; +protected Theme $cachedTheme;CLAUDE.md (3)
59-73: Add language identifier to fenced code block.The component hierarchy diagram uses a fenced code block without a language identifier. While this renders correctly, specifying a language (or using
textfor non-code content) improves consistency.Apply this diff:
-``` +```text php artisan solo ↓ Console\Commands\Solo
105-105: Consider using a proper heading.Line 105 uses emphasis (bold/italic) instead of a proper Markdown heading. Using a heading improves document structure and accessibility.
Apply this diff:
-**Hotkeys & KeyHandler** +#### Hotkeys & KeyHandler
170-170: Use hyphen in compound adjective.The phrase "5 second timeout" should be hyphenated when used as a compound adjective: "5-second timeout".
Apply this diff:
-- **Stopping**: Stop initiated, waiting for graceful shutdown (5 second timeout) +- **Stopping**: Stop initiated, waiting for graceful shutdown (5-second timeout)OPTIMIZATION.md (1)
1-92: Comprehensive documentation for the optimization work.The document clearly explains the differential rendering optimization, its components, workflow, and integration points. The local development instructions using
solo:localare helpful for contributors working on the Screen package.Minor suggestion: Consider adding a section on when to manually call
invalidate()(beyond resize), such as after theme changes or if the terminal is corrupted by external output.tests/Unit/DiffRendererTest.php (2)
118-164: Consider marking benchmarks as separate or skipped in CI.The benchmark tests output to console with
echoand measure timing, which can be noisy in CI logs and may produce flaky results on different hardware. Consider:
- Moving benchmarks to a separate test group (e.g.,
@group benchmark)- Using PHPUnit's
--exclude-groupto skip in CI- Or asserting only the byte comparison without timing output
+ #[Test] + #[\PHPUnit\Framework\Attributes\Group('benchmark')] public function benchmark_diff_vs_full(): void
166-232: Benchmark resets DiffRenderer mid-test, which may affect accuracy.At line 205, a new
DiffRendereris created andrender($screen1)is called again, but$screen1was modified in the previous loop iterations. This means the "baseline" for the all-cells-changed test differs from the single-cell test's baseline.For a fair comparison, consider creating a fresh baseline screen for the second benchmark section:
// Reset for comparison $diffRenderer = new DiffRenderer($width, $height); - $diffRenderer->render($screen1); + $baselineScreen = new Screen($width, $height); + for ($row = 0; $row < $height; $row++) { + $baselineScreen->write("\e[" . ($row + 1) . ';1H'); + $baselineScreen->write(str_repeat('A', $width)); + } + $diffRenderer->render($baselineScreen);PROCESS_MANAGEMENT_IMPROVEMENTS.md (3)
23-43: Add language specifier to fenced code block.The ASCII diagram code block should specify a language for better rendering in markdown viewers. Use
textorplaintext:-``` +```text ┌─────────────────────────────────────────────────────────────────┐
915-927: Add language specifier to file tree code block.-``` +```text solo/src/ ├── Commands/
1-941: Comprehensive process management analysis.This document provides excellent analysis of potential issues and improvements. The phased implementation approach with priority matrix is well-thought-out. The code samples for proposed fixes are helpful for future implementation.
Note: This appears to be a planning document for future work rather than changes being implemented in this PR. Consider moving it to a
docs/directory or an issue/discussion to track these improvements separately from the codebase.src/Support/DiffRenderer.php (1)
44-48: Constructor looks good.Simple initialization of dimensions. Consider adding validation for non-positive dimensions if this class could be instantiated with invalid values:
public function __construct(int $width, int $height) { + if ($width <= 0 || $height <= 0) { + throw new \InvalidArgumentException('Dimensions must be positive'); + } $this->width = $width; $this->height = $height; }src/Commands/Concerns/ManagesProcess.php (1)
304-319: Potential command injection in shell_exec call.While
$childPidcomes fromProcessTracker::children()which returns integers, the direct interpolation intoshell_execis risky if any code path could introduce non-numeric values.Consider using
sprintfwith%dformat specifier for safety:- $command = @shell_exec("ps -o command= -p $childPid 2>/dev/null"); + $command = @shell_exec(sprintf('ps -o command= -p %d 2>/dev/null', (int) $childPid));src/Prompt/Dashboard.php (1)
427-460: Redundant frame string generation when diff rendering succeeds.The
$frame = (string) $rendererInstanceis always computed even when differential rendering succeeds and the string is never used. This wastes cycles on string conversion.Consider deferring string generation until needed:
protected function render(): void { // Generate the frame using the standard renderer $renderer = Solo::getRenderer(); $rendererInstance = (new $renderer($this))($this); - // The Renderer returns itself, but __toString gives us the frame - $frame = (string) $rendererInstance; - // Try differential rendering if available if ($this->diffRenderer !== null && method_exists($rendererInstance, 'getScreen')) { try { $screen = $rendererInstance->getScreen(); $output = $this->diffRenderer->render($screen); if ($output !== '') { $this->output()->write($output); } return; } catch (\Throwable $e) { // Differential rendering failed, fall through to string comparison $this->diffRenderer = null; // Disable for future frames } } // Fallback to string-based comparison (original behavior) + $frame = (string) $rendererInstance; if ($frame !== $this->prevFrame) { static::writeDirectly("\e[{$this->height}F"); $this->output()->write($frame); $this->prevFrame = $frame; } }
📜 Review details
Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro
📒 Files selected for processing (37)
.gitattributes(1 hunks)CLAUDE.md(1 hunks)OPTIMIZATION.md(1 hunks)PROCESS_MANAGEMENT_IMPROVEMENTS.md(1 hunks)composer.json(1 hunks)src/Buffers/AnsiBuffer.php(0 hunks)src/Buffers/Buffer.php(0 hunks)src/Buffers/PrintableBuffer.php(0 hunks)src/Commands/Command.php(5 hunks)src/Commands/Concerns/ManagesProcess.php(12 hunks)src/Commands/EnhancedTailCommand.php(10 hunks)src/Commands/MakeCommand.php(1 hunks)src/Console/Commands/Local.php(1 hunks)src/Console/Commands/Monitor.php(2 hunks)src/Popups/Help.php(1 hunks)src/Popups/Popup.php(1 hunks)src/Popups/Quitting.php(1 hunks)src/Prompt/Dashboard.php(6 hunks)src/Prompt/Renderer.php(3 hunks)src/Providers/SoloServiceProvider.php(1 hunks)src/Support/AnsiMatch.php(0 hunks)src/Support/AnsiMatcher.php(0 hunks)src/Support/CapturedMultiSelectPrompt.php(0 hunks)src/Support/CapturedPrompt.php(2 hunks)src/Support/CapturedQuickPickPrompt.php(0 hunks)src/Support/CapturedSearchPrompt.php(0 hunks)src/Support/CapturedSuggestPrompt.php(0 hunks)src/Support/CapturedTextPrompt.php(0 hunks)src/Support/DiffRenderer.php(1 hunks)src/Support/KeyPressListener.php(1 hunks)src/Support/ProcessTracker.php(4 hunks)src/Support/Screen.php(0 hunks)tests/Support/ComparesVisually.php(1 hunks)tests/Unit/AnsiMatchTest.php(1 hunks)tests/Unit/AnsiTrackerTest.php(1 hunks)tests/Unit/DiffRendererTest.php(1 hunks)tests/Unit/ScreenTest.php(1 hunks)
💤 Files with no reviewable changes (11)
- src/Support/CapturedQuickPickPrompt.php
- src/Support/Screen.php
- src/Support/CapturedMultiSelectPrompt.php
- src/Support/CapturedSuggestPrompt.php
- src/Buffers/Buffer.php
- src/Support/CapturedSearchPrompt.php
- src/Buffers/PrintableBuffer.php
- src/Buffers/AnsiBuffer.php
- src/Support/CapturedTextPrompt.php
- src/Support/AnsiMatcher.php
- src/Support/AnsiMatch.php
🧰 Additional context used
🧬 Code graph analysis (10)
src/Support/CapturedPrompt.php (5)
src/Popups/Popup.php (1)
handleInput(55-55)src/Popups/Help.php (1)
handleInput(31-38)src/Popups/CommandPalette.php (1)
handleInput(54-63)src/Popups/TabPicker.php (1)
handleInput(72-81)src/Support/CapturedPromptInterface.php (1)
handleInput(18-18)
tests/Unit/DiffRendererTest.php (2)
src/Support/DiffRenderer.php (5)
DiffRenderer(25-163)render(77-97)hasState(110-113)setDimensions(53-61)invalidate(102-105)src/Support/AnsiAware.php (1)
substr(29-139)
src/Prompt/Renderer.php (3)
tests/Integration/Base.php (1)
write(237-240)src/Support/ScreenOutput.php (3)
write(28-35)output(23-26)writeln(37-44)src/Popups/Popup.php (1)
output(59-62)
src/Commands/EnhancedTailCommand.php (2)
src/Manager.php (1)
theme(124-152)src/Contracts/Theme.php (3)
invisible(43-43)dim(39-39)exception(41-41)
src/Commands/MakeCommand.php (1)
src/Support/PendingProcess.php (1)
input(27-32)
src/Commands/Concerns/ManagesProcess.php (1)
src/Support/ProcessTracker.php (3)
ProcessTracker(14-222)children(45-76)running(137-164)
src/Providers/SoloServiceProvider.php (1)
src/Manager.php (1)
commands(48-51)
src/Prompt/Dashboard.php (3)
src/Commands/Command.php (2)
Command(24-411)setDimensions(125-135)src/Support/DiffRenderer.php (3)
DiffRenderer(25-163)setDimensions(53-61)render(77-97)src/Support/KeyPressListener.php (1)
processKey(27-30)
src/Console/Commands/Monitor.php (1)
src/Support/ProcessTracker.php (5)
ProcessTracker(14-222)children(45-76)running(137-164)isRunning(118-129)kill(84-108)
src/Commands/Command.php (4)
src/Popups/Popup.php (1)
output(59-62)src/Support/ScreenOutput.php (1)
output(23-26)src/Support/FalseTerminal.php (1)
lines(45-48)src/Commands/EnhancedTailCommand.php (1)
modifyWrappedLines(268-287)
🪛 LanguageTool
CLAUDE.md
[grammar] ~170-~170: Use a hyphen to join words.
Context: ...tiated, waiting for graceful shutdown (5 second timeout) - Stopped: Process e...
(QB_NEW_EN_HYPHEN)
PROCESS_MANAGEMENT_IMPROVEMENTS.md
[style] ~9-~9: Consider a different adjective to strengthen your wording.
Context: ...ring. --- ## Executive Summary After deep analysis of the process management code...
(DEEP_PROFOUND)
[grammar] ~765-~765: Use a hyphen to join words.
Context: ...Proposed Fix:* Create consistent error handling policy: ```php class ProcessTr...
(QB_NEW_EN_HYPHEN)
[style] ~939-~939: “Low-Hanging Fruit” can be a clichéd phrase in professional communication. Consider an alternative expression to make your writing more engaging and original.
Context: ...the most noticeable improvements. 3. Low-Hanging Fruit: Recursion limits (C3), type fixes (C...
(LOW_HANGING_FRUIT)
🪛 markdownlint-cli2 (0.18.1)
CLAUDE.md
59-59: Fenced code blocks should have a language specified
(MD040, fenced-code-language)
105-105: Emphasis used instead of a heading
(MD036, no-emphasis-as-heading)
PROCESS_MANAGEMENT_IMPROVEMENTS.md
23-23: Fenced code blocks should have a language specified
(MD040, fenced-code-language)
119-119: Fenced code blocks should have a language specified
(MD040, fenced-code-language)
299-299: Emphasis used instead of a heading
(MD036, no-emphasis-as-heading)
328-328: Emphasis used instead of a heading
(MD036, no-emphasis-as-heading)
915-915: Fenced code blocks should have a language specified
(MD040, fenced-code-language)
🪛 PHPMD (2.15.0)
src/Commands/EnhancedTailCommand.php
320-320: Avoid unused parameters such as '$v'. (undefined)
(UnusedFormalParameter)
🔇 Additional comments (48)
src/Support/KeyPressListener.php (1)
22-30: Delegation pattern is sound; external dependency verification constrained.The
processKeymethod correctly wrapshandleKeyfrom the parent\Chewie\Input\KeyPressListenerclass. The implementation is straightforward and aligns with enabling external input injection for screen integration.The original review requested verification of
handleKeyaccessibility in the Chewie package; however, this external dependency cannot be verified in the sandbox environment. The code's successful execution in the PR indicates the parent method is accessible (protected or public).Optional: Consider adding test coverage for
processKeyto validate the delegation pattern, particularly if this becomes part of the public API surface for external integrations.src/Commands/EnhancedTailCommand.php (5)
62-75: Excellent caching strategy for performance!Caching the theme instance and base path in
beforeStart()eliminates repeated facade lookups andfunction_existschecks in hot paths (log formatting). This is well-suited for a long-running tail command where these values remain stable.
101-112: Good simplification of file truncation.Replacing manual resource management with
file_put_contentsis cleaner and more concise while achieving the same result atomically.
127-149: Good micro-optimization moving pattern outside loop.Computing the pattern once before the loop is more efficient than recomputing it on each iteration, especially for a potentially large number of lines.
289-319: Well-executed single-pass optimization!The refactored algorithm correctly identifies and keeps the last vendor frame from each consecutive vendor chunk while preserving all non-vendor frames. The single-pass O(n) approach is a clear improvement over the previous double-reverse pattern.
344-404: Consistent application of caching optimizations.The method correctly uses both
$cachedThemeand$cachedBasePaththroughout, eliminating repeated facade lookups and path resolution in this frequently-called formatting method.src/Support/CapturedPrompt.php (1)
13-13: LGTM!The import is necessary for the
Key::CTRL_Cconstant used in the newhandleInputmethod.tests/Unit/AnsiTrackerTest.php (1)
13-13: LGTM!The namespace migration from
SoloTerm\Solo\Buffers\AnsiBuffertoSoloTerm\Screen\Buffers\AnsiBuffercorrectly aligns with the Screen package extraction..gitattributes (1)
13-14: LGTM!Correctly excludes the development-only Local command from package exports, consistent with the existing Test command pattern.
src/Providers/SoloServiceProvider.php (1)
49-57: LGTM!The refactor from a single conditional to a loop improves maintainability and makes it easier to add more development-only commands in the future. The comment clearly indicates these commands are excluded via
.gitattributes.tests/Unit/AnsiMatchTest.php (1)
14-14: LGTM!The namespace migration from
SoloTerm\Solo\Support\AnsiMatchertoSoloTerm\Screen\AnsiMatchercorrectly aligns with the Screen package extraction.tests/Support/ComparesVisually.php (1)
19-19: LGTM!The namespace migration from
SoloTerm\Solo\Support\ScreentoSoloTerm\Screen\Screencorrectly aligns with the Screen package extraction.src/Popups/Quitting.php (1)
13-13: LGTM!The namespace migration from
SoloTerm\Solo\Support\ScreentoSoloTerm\Screen\Screencorrectly aligns with the Screen package extraction.src/Popups/Help.php (1)
13-13: Namespace migration looks correct.The import aligns with the new
soloterm/screenpackage dependency added tocomposer.json. TheScreenclass usage in the parentPopupclass (line 17, 23) remains compatible.src/Popups/Popup.php (1)
13-13: Namespace migration is consistent with the package refactor.The import change aligns with the new
soloterm/screendependency. TheScreeninstantiation and usage pattern remains unchanged.tests/Unit/ScreenTest.php (1)
13-13: Test import updated correctly.The namespace migration to
SoloTerm\Screen\Screenis consistent with the production code changes. The test suite should validate that the external package maintains API compatibility.src/Prompt/Renderer.php (2)
43-46: Screen property initialized to null with proper typing.The nullable
?Screentype allows the property to exist before the first render. The docblock clearly explains the purpose for differential rendering.
66-81: Screen-based rendering flow is well-structured.The rendering pipeline correctly:
- Creates a fresh Screen per render frame
- Writes the pre-built output
- Overlays visible content into the content pane
- Applies popup overlay if present
- Extracts final output
Note that
accountForPopupreturns a newScreeninstance (line 78), which correctly updates$this->screenfor differential rendering comparisons.src/Commands/Command.php (5)
16-16: LGTM on namespace migration.The import correctly switches to the external
soloterm/screenpackage, aligning with the PR's goal of extracting screen functionality into a separate package.
54-63: Cache properties are well-documented.The addition of
lastRenderedSeqNoandcachedOutputfor differential rendering optimization is clear and well-documented. The initialization to sensible defaults (0 and null) ensures proper behavior on first render.
131-132: Cache invalidation on dimension change looks correct.Properly resets both
cachedOutputandlastRenderedSeqNowhen dimensions change, ensuring a fresh render after resize.
239-240: Cache invalidation on clear looks correct.Mirrors the invalidation logic in
setDimensions(), ensuring consistency.
314-334: Cache invalidation whenfollow()is called is not necessary—follow()doesn't change rendering.The
follow()method at line 231–234 only sets$this->paused = false; it doesn't modify screen content or scroll state. The caching logic inwrappedLines()is correct: cache invalidation is keyed to the screen sequence number ($currentSeqNo), which changes only when new output arrives—the appropriate trigger.Regarding scroll state: in
EnhancedTailCommand::modifyWrappedLines()(line 278–284), the$pendingScrollIndexis applied during the method execution, not before cache lookup. The scroll position is a UI concern separate from output caching; the$pendingScrollIndexis set by methods likeprepareToEnableWrapping()beforewrappedLines()is called, ensuring scroll restoration happens in the correct rendering pass. No additional cache invalidation is required.tests/Unit/DiffRendererTest.php (1)
52-81: Good test coverage for differential rendering behavior.The tests properly verify:
- First frame includes full output with cursor home
- Identical frames produce empty diff
- Changed frames produce smaller output than full redraw
The assertions are meaningful and test the core optimization claims.
src/Support/DiffRenderer.php (2)
123-162: Well-structured differential rendering algorithm.The
renderDiff()implementation is clean and efficient:
- Single-pass iteration with early exit on unchanged cells
- Proper handling of continuation cells (wide characters)
- Uses cursor optimizer for minimal movement sequences
- Style transitions only when needed
- Resets styles at the end
The O(changed) comment is slightly optimistic—it's O(width × height) for iteration but O(changed) for output generation, which is the important metric for terminal I/O reduction.
77-97: Based on my verification of the codebase and documentation, I can now provide the rewritten review comment:
The suggested fix references methods that likely don't exist on CellBuffer.
The
render()method calls$screen->toCellBuffer()to get the current state. The review suggests checking dimensions by callinggetWidth()andgetHeight()on the returned CellBuffer object. However, these methods are not documented in thesoloterm/screenpackage requirements (see OPTIMIZATION.md) and are not used anywhere in the codebase.Additionally, the current design already prevents dimension mismatches:
setDimensions()is explicitly called before each resize (Dashboard.php line 211), ensuring the DiffRenderer dimensions stay synchronized with the Screen dimensions. All test cases show Screen and DiffRenderer initialized with matching dimensions. Therefore, a dimension validation check inrender()is not necessary—the current design's explicit synchronization is sufficient.src/Console/Commands/Monitor.php (3)
17-32: LGTM! Well-documented polling and timing constants.The constants are clearly documented with their purposes and units. The values are reasonable: 250ms polling for responsiveness, 10s culling interval to avoid excessive process list queries, and 500ms grace period for natural process exit.
46-58: Improved child discovery and time-based culling.The time-based culling approach using
$lastCullTimeis more reliable than the previous modulo-based logic. The shorterusleepinterval improves responsiveness for detecting parent death and new child processes.
66-84: Robust cleanup sequence with self-exclusion.The final enumeration catches any children spawned during the grace period. Excluding
getmypid()prevents the monitor from killing itself. The conditional logging only when children exist avoids noise.src/Commands/Concerns/ManagesProcess.php (6)
31-36: Sensible buffer size limit.The 10KB buffer limit provides a good balance between memory efficiency and allowing sufficient data accumulation before forced flushes.
59-79: Good addition of state tracking properties.The PTY device caching avoids repeated
lsofcalls, and the activity tracking flags (hadOutputThisTick,waitingMessageCounter) support the adaptive frame rate feature in Dashboard.
174-179: Good shell escaping for locale variables.Using
escapeshellarg()on the locale value prevents potential command injection if the locale string contains unexpected characters.
396-430: Well-implemented PTY device discovery with proper filtering.The method correctly:
- Detects and skips the controlling terminal to avoid resizing the wrong device
- Uses
sprintfwith%dfor safe PID interpolation- Matches common PTY device patterns across macOS and Linux
- Returns early on first valid match
446-480: Excellent defensive coding with reflection safeguards.The hardened
withSymfonyProcessmethod properly handles:
- Null process check
- Missing property detection
- Type verification
- Exception handling with logging
This future-proofs against Laravel framework changes.
539-563: Improved output collection with explicit pipe reading.Explicitly calling
getIncrementalOutput()andgetIncrementalErrorOutput()is more reliable than relying onrunning()side effects. The activity tracking integration supports the adaptive rendering loop.src/Support/ProcessTracker.php (6)
16-36: Good defensive measures with recursion depth and caching.The
MAX_RECURSION_DEPTHprevents stack overflow on malformed process trees, and the 100ms cache TTL is appropriate for reducing system calls during rapid polling while still providing fresh data.
45-76: Robust child discovery with circular reference prevention.The
$seentracking and depth parameter effectively prevent infinite loops. Using strict integer comparison and deduplication ensures reliable results.
84-108: PID sanitization in kill() prevents command injection.The double filtering (first
is_numeric, thenintval) ensures only valid integer PIDs reach theexeccall. The graceful shutdown option with SIGTERM before SIGKILL is a good practice.
137-164: Efficient batch PID checking with proper error handling.The
running()method correctly:
- Filters and deduplicates input
- Uses a single
pscall for efficiency- Handles both success and error cases appropriately
173-211: Well-implemented caching with OS-specific handling.The caching logic correctly invalidates stale entries using the TTL. The OS-specific
pscommands handle header differences between Darwin and Linux. The parsing withpreg_splithandles variable whitespace.
217-221: Useful cache clearing utility.The
clearCache()method is helpful for testing and scenarios requiring a fresh process list read.src/Prompt/Dashboard.php (7)
53-94: Good adaptive rendering configuration.The frame rate constants provide sensible bounds (10-40 FPS), and the idle threshold of 8 ticks (~200ms at max rate) before slowing down strikes a good balance between responsiveness and CPU efficiency.
112-114: Proper DiffRenderer initialization.Initializing the DiffRenderer with the current dimensions ensures it's ready for the first render cycle.
181-212: Improved resize handling with debouncing.The 100ms debounce prevents excessive processing during window drag operations. Propagating dimension changes to the DiffRenderer ensures the rendering state stays synchronized.
275-296: Clean adaptive loop implementation.The loop correctly sequences: tick components → update activity → render → wait with adaptive timeout. This pattern ensures output is collected before rendering and input is processed promptly.
327-343: Sensible adaptive timeout calculation.The gradual increase from
MIN_FRAME_INTERVAL_UStoMAX_FRAME_INTERVAL_USbased on idle time provides smooth CPU savings while remaining responsive to activity.
350-377: Efficient input waiting with stream_select.Using
stream_selectinstead ofusleepallows immediate response to user input while still providing a timeout. The input routing logic correctly handles popups, interactive mode, and normal hotkey processing.
382-403: Clear interactive key processing.The newline-to-carriage-return conversion ensures terminal compatibility. Using
\x18(Ctrl+X) for exiting interactive mode without stopping the process is a reasonable choice that doesn't conflict with common terminal shortcuts.
| /** | ||
| * Get the Screen instance used for rendering. | ||
| * | ||
| * This allows differential rendering by comparing Screens frame-to-frame. | ||
| */ | ||
| public function getScreen(): ?Screen | ||
| { | ||
| return $this->screen; | ||
| } |
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Add null check before passing getScreen() result to DiffRenderer::render().
The getScreen() method returns ?Screen (nullable), but DiffRenderer::render() requires a non-null Screen parameter (line 77 of src/Support/DiffRenderer.php). In src/Prompt/Dashboard.php lines 439-440, the code calls getScreen() and immediately passes it to render() without a null check. This will cause a TypeError if getScreen() returns null before the first render.
Add a null guard:
$screen = $rendererInstance->getScreen();
if ($screen !== null) {
$output = $this->diffRenderer->render($screen);
// ... rest of logic
}🤖 Prompt for AI Agents
In src/Prompt/Renderer.php lines 86-94 (getScreen declaration) and in
src/Prompt/Dashboard.php around lines 439-440, the nullable getScreen() result
is passed directly to DiffRenderer::render() which expects a non-null Screen;
add a null guard: retrieve into a local $screen, check $screen !== null before
calling $this->diffRenderer->render($screen), and only run the subsequent
rendering/logic inside that conditional so render() never receives null.
| public function handleInput($key) | ||
| { | ||
| $continue = $this->callNativeKeyPressHandler($key); | ||
|
|
||
| if ($continue === false || $key === Key::CTRL_C) { | ||
| $this->complete = true; | ||
| $this->clearListeners(); | ||
| } | ||
| } |
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clearListeners() method is not defined anywhere and will cause a runtime error.
The method is called at line 99 in handleInput() but does not exist in the trait, interface, or any class using this trait. When this method is invoked (when the prompt completes or user presses CTRL_C), the code will fail with "Call to undefined method" error.
This method must be implemented, or the call removed if listener cleanup is not required.
🤖 Prompt for AI Agents
In src/Support/CapturedPrompt.php around lines 93 to 101: the call to
$this->clearListeners() references a method that does not exist and will trigger
a "Call to undefined method" error; either implement a protected
clearListeners() method on this trait/class that unregisters any input/key
listeners, closes or resets the input stream and related callback state (e.g.,
remove event handlers, null out listener properties, stop any loop) and mark it
void, or remove the call if no cleanup is needed; if implementing, ensure
visibility matches other helper methods, update any classes that use this trait
to rely on the implementation, and add a small test or comment indicating
expected cleanup behavior.
| /** | ||
| * Whether to use optimized rendering (cursor/style tracking). | ||
| */ | ||
| protected bool $optimized = true; |
There was a problem hiding this comment.
$optimized property is set but never used.
The setOptimized() method sets the $optimized property, but renderDiff() doesn't check it. Either implement the non-optimized path or remove the dead code:
protected function renderDiff(CellBuffer $oldState, CellBuffer $newState): string
{
+ if (!$this->optimized) {
+ // Fallback to simple full render without cursor/style optimization
+ return $this->renderFull($newState);
+ }
+
$cursor = new CursorOptimizer;
$style = new StyleTracker;Alternatively, if optimization is always desired, remove the unused property and method.
Also applies to: 66-69
🤖 Prompt for AI Agents
In src/Support/DiffRenderer.php around lines 39-42 and 66-69, the protected bool
$optimized property and its setter are defined but never used by renderDiff;
either remove the unused property and setOptimized() method (and any callers) if
optimization is always on, or update renderDiff to branch on $this->optimized
and implement the non-optimized rendering path. Concretely: choose one approach,
then (a) if removing, delete the property, method and update docblocks and any
references, or (b) if keeping, add an if ($this->optimized) { /* current
optimized logic */ } else { /* straightforward non-optimized rendering that does
not rely on cursor/style tracking */ } and ensure unit tests and usages reflect
the change.
| public static function isRunning($pid): bool | ||
| { | ||
| if (!is_numeric($pid)) { | ||
| throw new RuntimeException("Invalid PID: {$pid}"); | ||
| } | ||
|
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| $pid = (int) $pid; | ||
| $output = []; | ||
| exec("ps -p {$pid} | grep {$pid}", $output); | ||
| exec("ps -p {$pid} 2>/dev/null | grep {$pid}", $output); | ||
|
|
||
| return count($output) > 0; | ||
| } |
There was a problem hiding this comment.
Potential false positive in isRunning() grep pattern.
The grep command could match a PID that's a substring of another (e.g., searching for PID 1 would match 10, 11, etc.).
Consider using word boundaries or the ps output directly:
- exec("ps -p {$pid} 2>/dev/null | grep {$pid}", $output);
+ exec("ps -p {$pid} -o pid= 2>/dev/null", $output);
+ $output = array_filter(array_map('trim', $output), fn($line) => (int) $line === $pid);Alternatively, add word boundary to grep:
- exec("ps -p {$pid} 2>/dev/null | grep {$pid}", $output);
+ exec("ps -p {$pid} 2>/dev/null | grep -w {$pid}", $output);🤖 Prompt for AI Agents
In src/Support/ProcessTracker.php around lines 118-129, the current grep can
false-match PIDs that are substrings of others; replace the fragile ps|grep
approach with an exact-match check — e.g., use PHP's posix_kill($pid, 0) when
posix extension exists to test process existence, otherwise call a system
utility that matches the whole PID (pgrep -x or ps + awk to compare the PID
column) and return true only on an exact match; keep the numeric validation and
cast to int, and ensure exec/pgrep uses the return code or exact-match output to
decide the boolean result.
- MakeCommand: Wrap write() in try/catch to handle stream closing between isClosed() check and write() call - EnhancedTailCommand: Use underscore placeholder for unused $v parameter 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <[email protected]>
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Actionable comments posted: 1
🧹 Nitpick comments (1)
src/Console/Commands/Local.php (1)
116-122: Consider checking for exact path segment match.While
str_ends_with($normalizedUrl, 'screen')is an improvement over the previousstr_contains, it could still match unintended repositories like../my-screenor../custom-screen.For more precision, consider checking if 'screen' is the final path segment:
- return !str_ends_with($normalizedUrl, 'screen'); + // Only remove if 'screen' is the final path component + $basename = basename($normalizedUrl); + return $basename !== 'screen';This ensures only repositories whose final directory is exactly
screenare removed, avoiding false positives.
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🔇 Additional comments (5)
src/Console/Commands/Local.php (5)
1-21: LGTM! Clear command structure.The command signature and description are well-defined. The default path
../screenis sensible for local package development.
22-45: LGTM! Solid error handling.The method properly validates the composer.json file existence and JSON validity before proceeding. The routing logic between link and revert is clean.
148-171: LGTM! Well-structured with proper formatting.The method correctly maintains composer.json formatting standards, including pretty-printing and trailing newlines. Error handling is comprehensive.
173-208: LGTM! Standard key ordering maintained.The method properly maintains the conventional composer.json structure while preserving any custom keys.
210-214: LGTM! Path calculation is correct.The method correctly navigates from
src/Console/Commands/Local.phpup to the package root. The hardcoded level count is acceptable for this internal development command.
| protected function link(array $composer, string $composerPath): int | ||
| { | ||
| $path = $this->option('path'); | ||
|
|
||
| // Check if the local path exists | ||
| $absolutePath = realpath(dirname($composerPath) . '/' . $path); | ||
| if (!$absolutePath || !is_dir($absolutePath)) { | ||
| $this->error("Local screen package not found at: {$path}"); | ||
| $this->line('Make sure the screen package exists at the specified path relative to composer.json'); | ||
|
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| return 1; | ||
| } | ||
|
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| // Add repositories section if it doesn't exist | ||
| if (!isset($composer['repositories'])) { | ||
| $composer['repositories'] = []; | ||
| } | ||
|
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||
| // Check if path repository already exists (normalize trailing slashes) | ||
| $hasPathRepo = false; | ||
| $normalizedPath = rtrim($path, '/'); | ||
| foreach ($composer['repositories'] as $repo) { | ||
| if (isset($repo['type']) && $repo['type'] === 'path' && isset($repo['url']) && rtrim($repo['url'], '/') === $normalizedPath) { | ||
| $hasPathRepo = true; | ||
| break; | ||
| } | ||
| } | ||
|
|
||
| if (!$hasPathRepo) { | ||
| // Add path repository at the beginning | ||
| array_unshift($composer['repositories'], [ | ||
| 'type' => 'path', | ||
| 'url' => $path, | ||
| 'options' => [ | ||
| 'symlink' => true, | ||
| ], | ||
| ]); | ||
| } | ||
|
|
||
| // Update screen dependency to @dev | ||
| if (!isset($composer['require']['soloterm/screen'])) { | ||
| $this->warn('soloterm/screen not found in require section. Adding it now.'); | ||
| } | ||
| $composer['require']['soloterm/screen'] = '@dev'; | ||
|
|
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| // Write back | ||
| if (!$this->writeComposer($composer, $composerPath)) { | ||
| return 1; | ||
| } | ||
|
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| $this->info('Linked to local screen package at: ' . $path); | ||
| $this->line(''); | ||
| $this->line('Run <comment>composer update soloterm/screen</comment> to apply changes.'); | ||
| $this->line(''); | ||
| $this->line('To revert: <comment>php artisan solo:local --revert</comment>'); | ||
|
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||
| return 0; | ||
| } |
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Based on my verification, I've found issues with the review comment. Let me generate the rewritten version:
LGTM! Previous issues addressed.
The implementation correctly addresses past feedback:
- Path normalization prevents duplicate repositories (lines 67, 69)
- Missing
soloterm/screendependency now triggers a warning and is added automatically (lines 87-89)
The validation logic is solid and user guidance is helpful.
🤖 Prompt for AI Agents
In src/Console/Commands/Local.php around lines 47-104, the reviewer said LGTM
but the code still has two problems: it assumes $composer['require'] exists
(causing undefined index notices) and the path-repository duplicate check
compares the supplied relative $path to stored repo 'url' values without
resolving them to absolute paths, so duplicates can be missed; fix by ensuring
$composer['require'] is an array before reading/writing (e.g. if
(!isset($composer['require']) || !is_array($composer['require']))
$composer['require'] = [];), and normalize both sides when checking repositories
by resolving repo URLs relative to dirname($composerPath) (use realpath on
dirname($composerPath).'/'.$repo['url'] and compare rtrim(realpath(...), '/') to
rtrim($absolutePath, '/')) so path repos are detected reliably.
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Actionable comments posted: 0
🧹 Nitpick comments (1)
src/Commands/EnhancedTailCommand.php (1)
107-108: Cleaner truncation approach.Using
file_put_contentsis simpler than manual resource management. Note: the comment says "atomically" butfile_put_contentswithoutLOCK_EXisn't strictly atomic. For log truncation this is fine, but consider rewording to "Truncate file without manual resource management" for accuracy.
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🧰 Additional context used
🪛 PHPMD (2.15.0)
src/Commands/EnhancedTailCommand.php
320-320: Avoid unused parameters such as '$_'. (undefined)
(UnusedFormalParameter)
🔇 Additional comments (8)
src/Commands/EnhancedTailCommand.php (8)
40-48: Good caching approach for performance optimization.The cached properties avoid repeated facade lookups and
function_existschecks. Minor observation:$cachedBasePathhas a type hint while$cachedThemedoes not. Consider adding a type hint to$cachedThemefor consistency if the theme class has a stable interface.
62-75: LGTM!Proper initialization of cached values in
beforeStart(). The Testbench fallback forpackage_path()correctly handles both production and test environments.
94-99: LGTM!Clean integration of the external
soloterm/screenpackage. The 1000-character width effectively disables internal wrapping while deferring to the customwrapLineimplementation.
133-134: Good loop optimization.Computing the pattern once outside the loop avoids repeated string operations on each iteration.
175-183: LGTM!Consistent use of the cached theme instance for invisible string generation.
289-321: Excellent single-pass optimization!The refactored algorithm correctly keeps the last vendor frame from each consecutive chunk in O(n) instead of the previous O(2n) double-reverse approach. The trailing vendor chunk handling at lines 316-318 ensures edge cases are covered.
Regarding the PHPMD warning about
$_on line 320: this is a false positive. Using$_is the standard PHP convention for intentionally unused parameters required by callback signatures.
323-342: LGTM!Clean use of a local
$themevariable for readability while leveraging the cached theme instance.
344-404: LGTM!Consistent use of cached theme and base path throughout the method. The path replacement on line 372 now avoids repeated
function_existschecks per line, which is a meaningful optimization for high-volume log processing.
Summary
Major refactor integrating the soloterm/screen package and improving process management.
Test plan
🤖 Generated with Claude Code
Summary by CodeRabbit
New Features
Optimization
Bug Fixes / Reliability
Chores
Documentation
Tests
✏️ Tip: You can customize this high-level summary in your review settings.