autodeploy PRs (#218)

Author: zardoy

.github/workflows/preview.yml

@@ -6,22 +6,38 @@ env:
 on:
   issue_comment:
     types: [created]
+  pull_request:
 jobs:
   deploy:
     runs-on: ubuntu-latest
     # todo skip already created deploys on that commit
     if: >-
-      github.event.issue.pull_request != '' &&
       (
-        contains(github.event.comment.body, '/deploy')
+        github.event.issue.pull_request != '' &&
+        (
+          contains(github.event.comment.body, '/deploy')
+        )
+      ) ||
+      (
+        github.event_name == 'pull_request' && (
+          env.AUTO_DEPLOY_PRS contains $'\n' + toString(github.event.pull_request.number) + $'\n' ||
+          startsWith(env.AUTO_DEPLOY_PRS, toString(github.event.pull_request.number) + $'\n') ||
+          endsWith(env.AUTO_DEPLOY_PRS, $'\n' + toString(github.event.pull_request.number)) ||
+          env.AUTO_DEPLOY_PRS == toString(github.event.pull_request.number)
+        )
       )
     permissions:
       pull-requests: write
     steps:
-      - name: Checkout
+      - name: Checkout PR (comment)
         uses: actions/checkout@v2
+        if: github.event_name == 'issue_comment'
         with:
           ref: refs/pull/${{ github.event.issue.number }}/head
+      - name: Checkout PR (pull_request)
+        uses: actions/checkout@v2
+        if: github.event_name == 'pull_request'
+
       - run: npm i -g [email protected]
       - uses: actions/setup-node@v4
         with:
@@ -59,7 +75,7 @@ jobs:
         id: alias
         env:
           ALIASES: ${{ env.ALIASES }}
-          PULL_URL: ${{ github.event.issue.pull_request.url }}
+          PULL_URL: ${{ github.event.issue.pull_request.url || github.event.pull_request.url }}
       - name: Set deployment alias
         if: ${{ steps.alias.outputs.alias != '' && steps.alias.outputs.alias != 'mcraft.fun' && steps.alias.outputs.alias != 's.mcraft.fun' }}
         run: vercel alias set ${{ steps.deploy.outputs.stdout }} ${{ steps.alias.outputs.alias }} --token=${{ secrets.VERCEL_TOKEN }} --scope=zaro