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fix: refactor notify triager workflow #3403

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65 changes: 36 additions & 29 deletions .github/workflows/notify-triager.yml
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@anshgoyalevil anshgoyalevil Dec 5, 2024

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In the previous implementation of notify traiger workflow, we were getting doc triagers assigned to the PRs that didn't contain any doc changes. This was because of how the workflow was checking for file changes in the PR.

For example, in previous implementation:

  • User A created a PR P1 with code changes. -> Only code triagers assigned to the PR
  • User B created a PR P2 with doc changes. -> Only doc triagers assigned to the PR
  • PR P2 gets merged first.
  • PR P1 is updated to include a merge commit containing PR P2 changes -> Doc traigers also gets assigned to this PR P1. Now this is the part where we are going wrong. Also, this behavior is still ambigious

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I think it was because of MD file changes

Original file line number Diff line number Diff line change
Expand Up @@ -48,51 +48,58 @@ jobs:
files: |
!**.md


- name: Extract Doc Triage Maintainers
id: doc-triager
run: |
docTriagers=$(grep '^#' CODEOWNERS | tail -n 2 | head -n 1)
echo "docTriagers: $docTriagers"
prefix="#docTriagers: "
docTriagers=${docTriagers#$prefix}
docTriagers=$(grep '^#docTriagers' CODEOWNERS | sed 's/#docTriagers: //')
if [ -z "$docTriagers" ]; then
echo "No doc triagers found"
fi
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🛠️ Refactor suggestion

Improve robustness of triager extraction

The current implementation could be made more robust to handle edge cases:

- docTriagers=$(grep '^#docTriagers' CODEOWNERS | sed 's/#docTriagers: //')
+ docTriagers=$(grep -E '^\s*#docTriagers:' CODEOWNERS | sed 's/^\s*#docTriagers:\s*//' | tr -d '\r')
- codeTriagers=$(grep '^#codeTriagers' CODEOWNERS | sed 's/#codeTriagers: //')
+ codeTriagers=$(grep -E '^\s*#codeTriagers:' CODEOWNERS | sed 's/^\s*#codeTriagers:\s*//' | tr -d '\r')

Changes:

  1. Added \s* to handle potential whitespace before/after the prefix
  2. Added tr -d '\r' to handle CRLF line endings
  3. Used -E for extended regex support

Also applies to: 63-66

echo "docTriagers=$docTriagers" >> $GITHUB_ENV

- name: Extract Code Triage Maintainers
id: code-triager
run: |
codeTriagers=$(grep '^#' CODEOWNERS | tail -n 1)
echo "codeTriagers: $codeTriagers"
prefix="#codeTriagers: "
codeTriagers=${codeTriagers#$prefix}
codeTriagers=$(grep '^#codeTriagers' CODEOWNERS | sed 's/#codeTriagers: //')
if [ -z "$codeTriagers" ]; then
echo "No code triagers found"
fi
echo "codeTriagers=$codeTriagers" >> $GITHUB_ENV

- name: Add Reviewers for code files
if: steps.check-merge-branch.outputs.isMergeCommit == 'false' && steps.non-md-pr-changes.outputs.any_changed == 'true'
run: |
IFS=' ' read -r -a codeTriagers <<< "${{ env.codeTriagers }}"
reviewers=$(printf ', "%s"' "${codeTriagers[@]}")
reviewers=[${reviewers:2}]
curl \
-X POST \
-H "Authorization: token ${{ secrets.GH_TOKEN }}" \
-H "Accept: application/vnd.github.v3+json" \
https://api.github.com/repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }}/requested_reviewers \
-d "{
\"reviewers\": $reviewers
}"
if [ ${#codeTriagers[@]} -gt 0 ]; then
reviewers=$(printf ', "%s"' "${codeTriagers[@]}")
reviewers="[${reviewers:2}]"
curl \
-X POST \
-H "Authorization: token ${{ secrets.GH_TOKEN }}" \
-H "Accept: application/vnd.github.v3+json" \
https://api.github.com/repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }}/requested_reviewers \
-d "{
\"reviewers\": $reviewers
}"
else
echo "No code triagers found, skipping review assignment"
fi

- name: Add Reviewers for doc files
if: steps.check-merge-branch.outputs.isMergeCommit == 'false' && steps.md-pr-changes.outputs.any_changed == 'true'
run: |
IFS=' ' read -r -a docTriagers <<< "${{ env.docTriagers }}"
reviewers=$(printf ', "%s"' "${docTriagers[@]}")
reviewers=[${reviewers:2}]
curl \
-X POST \
-H "Authorization: token ${{ secrets.GH_TOKEN }}" \
-H "Accept: application/vnd.github.v3+json" \
https://api.github.com/repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }}/requested_reviewers \
-d "{
\"reviewers\": $reviewers
}"
if [ ${#docTriagers[@]} -gt 0 ]; then
reviewers=$(printf ', "%s"' "${docTriagers[@]}")
reviewers="[${reviewers:2}]"
curl \
-X POST \
-H "Authorization: token ${{ secrets.GH_TOKEN }}" \
-H "Accept: application/vnd.github.v3+json" \
https://api.github.com/repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }}/requested_reviewers \
-d "{
\"reviewers\": $reviewers
}"
else
echo "No doc triagers found, skipping review assignment"
fi
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🛠️ Refactor suggestion

Reduce code duplication and fix file format

  1. The reviewer assignment logic is duplicated between code and doc segments.
  2. File is missing a newline at the end.

Consider extracting the reviewer assignment logic into a reusable function:

+ add_reviewers() {
+   local reviewer_type=$1
+   local reviewers_array=("${@:2}")
+   
+   if [ ${#reviewers_array[@]} -gt 0 ]; then
+     reviewers=$(printf ', "%s"' "${reviewers_array[@]}")
+     reviewers="[${reviewers:2}]"
+     response=$(curl -s -w "%{http_code}" \
+       -X POST \
+       -H "Authorization: token ${{ secrets.GH_TOKEN }}" \
+       -H "Accept: application/vnd.github.v3+json" \
+       https://api.github.com/repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }}/requested_reviewers \
+       -d "{\"reviewers\": $reviewers}")
+     status_code=${response: -3}
+     if [ $status_code -ge 400 ]; then
+       echo "::error::Failed to add $reviewer_type reviewers. Status code: $status_code"
+       exit 1
+     fi
+   else
+     echo "No $reviewer_type triagers found, skipping review assignment"
+   fi
+ }
+ 
  # Add code reviewers
  IFS=' ' read -r -a codeTriagers <<< "${{ env.codeTriagers }}"
- if [ ${#codeTriagers[@]} -gt 0 ]; then
-   # ... existing code ...
- fi
+ add_reviewers "code" "${codeTriagers[@]}"
  
  # Add doc reviewers
  IFS=' ' read -r -a docTriagers <<< "${{ env.docTriagers }}"
- if [ ${#docTriagers[@]} -gt 0 ]; then
-   # ... existing code ...
- fi
+ add_reviewers "doc" "${docTriagers[@]}"
+
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
if [ ${#docTriagers[@]} -gt 0 ]; then
reviewers=$(printf ', "%s"' "${docTriagers[@]}")
reviewers="[${reviewers:2}]"
curl \
-X POST \
-H "Authorization: token ${{ secrets.GH_TOKEN }}" \
-H "Accept: application/vnd.github.v3+json" \
https://api.github.com/repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }}/requested_reviewers \
-d "{
\"reviewers\": $reviewers
}"
else
echo "No doc triagers found, skipping review assignment"
fi
add_reviewers() {
local reviewer_type=$1
local reviewers_array=("${@:2}")
if [ ${#reviewers_array[@]} -gt 0 ]; then
reviewers=$(printf ', "%s"' "${reviewers_array[@]}")
reviewers="[${reviewers:2}]"
response=$(curl -s -w "%{http_code}" \
-X POST \
-H "Authorization: token ${{ secrets.GH_TOKEN }}" \
-H "Accept: application/vnd.github.v3+json" \
https://api.github.com/repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }}/requested_reviewers \
-d "{\"reviewers\": $reviewers}")
status_code=${response: -3}
if [ $status_code -ge 400 ]; then
echo "::error::Failed to add $reviewer_type reviewers. Status code: $status_code"
exit 1
fi
else
echo "No $reviewer_type triagers found, skipping review assignment"
fi
}
# Add code reviewers
IFS=' ' read -r -a codeTriagers <<< "${{ env.codeTriagers }}"
add_reviewers "code" "${codeTriagers[@]}"
# Add doc reviewers
IFS=' ' read -r -a docTriagers <<< "${{ env.docTriagers }}"
add_reviewers "doc" "${docTriagers[@]}"
🧰 Tools
🪛 yamllint

[error] 105-105: no new line character at the end of file

(new-line-at-end-of-file)