workflow: comment on nixpkgs when starting

Signed-off-by: lucasew <[email protected]>

.github/workflows/nixpkgs-review.yml

@@ -40,13 +40,38 @@ on:
       for:
         type: string
         description: "Who asked for this run"
-        default: "someone"
+        default: "not identified"
 
 concurrency:
   group: review-${{ github.event.inputs.pr }}
   cancel-in-progress: true
 
 jobs:
+  comment:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/github-script@v7
+        env:
+          MESSAGE: |
+            [nixpkgs-reviewd](${{github.server_url}}/${{ github.event.repository.name }}) workflow started
+
+            Extra args: `${{github.event.inputs.extra-args}}`
+            Free space: ${{github.event.inputs.free-space}}
+            x86_64-linux: ${{github.event.inputs.x86_64-linux}}
+            x86_64-darwin: ${{github.event.inputs.x86_64-darwin}}
+            aarch64-darwin: ${{github.event.inputs.aarch64-darwin}}
+            Who asked: ${{github.event.inputs.for}}
+            Status: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
+          PR: ${{ github.event.inputs.pr }}
+        with:
+          github-token: ${{secrets.GH_TOKEN_NIXPKGS_REVIEW}}
+          script: |
+            github.rest.issues.createComment({
+              issue_number: process.env.PR,
+              owner: 'NixOS',
+              repo: 'nixpkgs',
+              body: process.env.MESSAGE
+            })
   build-x86_64-linux:
     name: 'x86_64-linux'
     if: ${{ github.event.inputs.x86_64-linux == 'true' }}