[chore] Add release:risky-change on PRs touching certain files

.github/workflows/add-codeowners-to-pr.yml → .github/workflows/add-labels-and-owners.yml

@@ -1,4 +1,4 @@
-name: 'Add code owners to a PR'
+name: 'Add labels and code owners to PR'
 on:
   pull_request_target:
     types:
@@ -8,7 +8,7 @@ on:
 permissions: read-all
 
 jobs:
-  add-owners-to-pr:
+  add-labels-and-owners:
     permissions:
       pull-requests: write
     runs-on: ubuntu-24.04
@@ -17,7 +17,7 @@ jobs:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
       - name: Run add-codeowners-to-pr.sh
-        run: ./.github/workflows/scripts/add-codeowners-to-pr.sh
+        run: ./.github/workflows/scripts/add-labels-and-owners.sh
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           REPO: ${{ github.repository }}

.github/workflows/add-labels.yml → .github/workflows/add-labels-command.yml

@@ -6,7 +6,7 @@ on:
 permissions: read-all
 
 jobs:
-  add-labels:
+  add-labels-command:
     if: ${{ !github.event.issue.pull_request && startsWith(github.event.comment.body, '/label') && github.repository_owner == 'open-telemetry' }}
     permissions:
       issues: write
@@ -15,8 +15,8 @@ jobs:
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
-      - name: Run add-labels.sh
-        run: ./.github/workflows/scripts/add-labels.sh
+      - name: Run add-labels-command.sh
+        run: ./.github/workflows/scripts/add-labels-command.sh
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           ISSUE: ${{ github.event.issue.number }}

.github/workflows/scripts/add-codeowners-to-pr.sh → .github/workflows/scripts/add-labels-and-owners.sh

@@ -28,7 +28,7 @@ main () {
     # review. The GitHub CLI does not offer a list of all reviewers, which
     # is only available through the API. To cut down on API calls to GitHub,
     # we use the latest reviews to determine which users to filter out.
-    JSON=$(gh pr view "${PR}" --json "files,author,latestReviews" | tr -dc '[:print:]' | sed -E 's/\\[a-z]//g')
+    JSON=$(gh pr view "${PR}" --json "files,author,latestReviews" | LC_ALL=C tr -dc '[:print:]' | sed -E 's/\\[a-z]//g')
     AUTHOR=$(echo -n "${JSON}"| jq -r '.author.login')
     FILES=$(echo -n "${JSON}"| jq -r '.files[].path')
     REVIEW_LOGINS=$(echo -n "${JSON}"| jq -r '.latestReviews[].author.login')
@@ -52,6 +52,22 @@ main () {
         echo "This PR has not yet been reviewed, all code owners are eligible for a review request"
     fi
 
+    RISKY_REGEX='
+     ^.github/workflows/prepare-release.yml$
+    |^.github/workflows/scripts/release-prepare-release.sh$
+    |^Makefile$
+    |^Makefile.Common$
+    '
+    RISKY_REGEX="$(echo "$RISKY_REGEX" | tr -d ' \n')"
+    RISKY_FILES="$(echo "$FILES" | grep -E "$RISKY_REGEX")"
+    if [[ -n "${RISKY_FILES}" ]]; then
+        echo "This PR may affect the release process, as it touches the following files:" \
+            "$(echo "$RISKY_FILES" | sed -E 's/\n/, /')"
+        LABELS="release:risky-change"
+    else
+        echo "This PR does not have release-affecting changes."
+    fi
+
     for COMPONENT in ${COMPONENTS}; do
         # Files will be in alphabetical order and there are many files to
         # a component, so loop through files in an inner loop. This allows