magic header

Author: bukepo

.github/workflows/size.yml

@@ -30,8 +30,8 @@ name: Size
 
 on:
   push:
-    branches:
-      - 'main'
+    branches-ignore:
+      - 'dependabot/**'
   pull_request:
     branches:
       - 'main'
@@ -40,10 +40,6 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || (github.repository == 'openthread/openthread' && github.run_id) || github.ref }}
   cancel-in-progress: true
 
-permissions:
-  pull-requests: write
-  contents: read
-
 jobs:
 
   size-report:
@@ -60,10 +56,11 @@ jobs:
     - name: Run
       env:
         GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
+        PR_NUMBER: "${{ github.event.pull_request.number }}"
       run: |
         ./script/check-size
         cat /tmp/ot-size-report/report_pr >> $GITHUB_STEP_SUMMARY
-    - uses: actions/github-script@v7
+    - uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea
       name: Post Report
       if: ${{ github.event_name == 'pull_request' }}
       id: post-report
@@ -85,7 +82,8 @@ jobs:
             repo: context.repo.repo,
           });
 
-          const comment = response.data.find(comment => comment.body.includes('# Size Report of **OpenThread**'))
+          const kMagicHeader = '<!-- Size Report of **OpenThread** -->'
+          const comment = response.data.find(comment => comment.body.startsWith(kMagicHeader))
 
           if (comment) {
             params.comment_id = comment.id;

script/check-size

@@ -44,7 +44,7 @@ readonly OT_REPORT_FILE_TABLE
 OT_REPORT_FILE_PR="${OT_TMP_DIR}/report_pr"
 readonly OT_REPORT_FILE_TABLE
 
-PR_NUMBER="$([[ $GITHUB_REF_NAME =~ ([0-9]+)/merge ]] && echo "${BASH_REMATCH[1]}")"
+PR_NUMBER="${PR_NUMBER:-}"
 
 setup_arm_gcc_7()
 {
@@ -169,9 +169,9 @@ generate_table_header()
     } >>"${OT_REPORT_FILE_TABLE}"
 
     {
-        printf "# Size Report of **OpenThread**\n"
+        printf "<!-- Size Report of **OpenThread** -->\n"
         if [[ -n $PR_NUMBER ]]; then
-            printf "> Merging #${PR_NUMBER} into ${GITHUB_BASE_REF}\n\n"
+            printf "> Merging #%s into %s\n\n" "${PR_NUMBER}" "${GITHUB_BASE_REF}"
         fi
         printf "|  name  |  branch  |  text  | data  | bss  | total |\n"
         printf "| :----: | :------: | -----: | ----: | ---: | ----: |\n"