ci(comment): make workflow reusable

Signed-off-by: Randolph Sapp <rs@ti.com>

Author: StaticRocket

.github/workflows/check-files.yml

@@ -40,6 +40,7 @@ jobs:
           git switch master
 
       - name: Run check_files.py
+        id: check
         env:
           EVENT_NUMBER: ${{ github.event.number }}
         run: |
@@ -60,19 +61,19 @@ jobs:
             echo "No new unreachable files found with check_files.py"
           fi >> "$GITHUB_STEP_SUMMARY"
 
-          # Prepare the artifacts
-          mkdir -p ./results
-          echo "$EVENT_NUMBER" > ./results/id
-          cp "$GITHUB_STEP_SUMMARY" ./results/summary
-          echo "$(wc -l < _new-warn.log)" > ./results/problem-count
+          # Prepare the output
+          SUMMARY=$(< "$GITHUB_STEP_SUMMARY")
+          echo "issue_number=$EVENT_NUMBER" >> "$GITHUB_OUTPUT"
+          echo "problem_count=$WARNING_COUNT" >> "$GITHUB_OUTPUT"
+          echo "summary=$SUMMARY" >> "$GITHUB_OUTPUT"
 
           # Exit with error if there are new warnings
           [ "$WARNING_COUNT" -eq "0" ]
 
-      - name: Save results
-        uses: actions/upload-artifact@v4
+      - name: Comment
+        uses: ./.github/workflows/comment.yml
         if: always()
         with:
-          name: results
-          path: results/
-          retention-days: 1
+          issue_number: ${{ steps.check.outputs.issue_number }}
+          problem_count: ${{ steps.check.outputs.problem_count }}
+          summary: ${{ steps.check.outputs.summary }}

.github/workflows/comment.yml

@@ -2,13 +2,20 @@
 name: "comment"
 
 on:  # yamllint disable-line rule:truthy
-  workflow_run:
-    workflows:
-      - rstcheck
-      - check_toc_txt
-      - check-files
-    types:
-      - completed
+  workflow_call:
+    inputs:
+      issue_number:
+        description: "PR / Issue number to comment on"
+        required: true
+        type: number
+      problem_count:
+        description: "Number of problems detected"
+        required: true
+        type: number
+      summary:
+        description: "Text summary that will be posted"
+        required: true
+        type: string
 
 permissions:
   pull-requests: write  # Required to leave a comment on a review
@@ -20,25 +27,20 @@ jobs:
     if: ${{ github.event.workflow_run.event == 'pull_request' }}
 
     steps:
-      - name: Download artifact
-        uses: actions/download-artifact@v4
-        with:
-          name: results
-          run-id: ${{ github.event.workflow_run.id }}
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          path: results
-
       - name: Update pr with info from other runners
         uses: actions/github-script@v7
+        env:
+          ISSUE_NUMBER: ${{ inputs.issue_number }}
+          PROBLEM_COUNT: ${{ inputs.problem_count }}
+          SUMMARY: ${{ inputs.summary }}
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           script: |
-            var fs = require('fs');
-            var issue_number = Number(fs.readFileSync('./results/id'));
-            var problem_count = Number(fs.readFileSync(
-              './results/problem-count'
-            ));
-            var summary = String(fs.readFileSync('./results/summary'));
+            const { env } = require('node:process');
+
+            var issue_number = Number(env.ISSUE_NUMBER);
+            var problem_count = Number(env.PROBLEM_COUNT);
+            var summary = String(env.SUMMARY);
 
             if (problem_count > 0) {
               github.rest.issues.createComment({