screenshot-comparison-comment #44
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name: screenshot-comparison-comment | |
on: | |
workflow_run: | |
workflows: | |
- screenshot-comparison | |
types: | |
- completed | |
concurrency: | |
group: ${{ github.workflow }}-${{ github.head_ref }}-${{ github.event.workflow_run.id }} | |
cancel-in-progress: true | |
permissions: { } | |
jobs: | |
screenshot-comparison-comment: | |
if: > | |
github.event.workflow_run.event == 'pull_request' && | |
github.event.workflow_run.conclusion == 'success' | |
timeout-minutes: 2 | |
permissions: | |
actions: read # for downloading artifacts | |
contents: write # for pushing screenshot-diff to companion branch | |
pull-requests: write # for creating a comment on pull requests | |
runs-on: ubuntu-latest | |
steps: | |
- uses: dawidd6/action-download-artifact@246dbf436b23d7c49e21a7ab8204ca9ecd1fe615 # v2.27.0 | |
with: | |
name: pr | |
run_id: ${{ github.event.workflow_run.id }} | |
- id: get-pull-request-number | |
name: Get pull request number | |
shell: bash | |
run: | | |
echo "pull_request_number=$(cat NR)" >> "$GITHUB_OUTPUT" | |
- name: main checkout | |
id: checkout-main | |
uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0 | |
with: | |
ref: main | |
- id: switch-companion-branch | |
env: | |
BRANCH_NAME: companion_${{ github.event.workflow_run.head_branch }} | |
run: | | |
# orphan means it will create no history branch | |
git branch -D "$BRANCH_NAME" || true | |
git checkout --orphan "$BRANCH_NAME" | |
git rm -rf . | |
- uses: dawidd6/action-download-artifact@246dbf436b23d7c49e21a7ab8204ca9ecd1fe615 # v2.27.0 | |
with: | |
run_id: ${{ github.event.workflow_run.id }} | |
name: screenshot-diff-reports | |
path: screenshot-diff-reports | |
- id: check-if-there-are-valid-files | |
name: Check if there are valid files | |
shell: bash | |
run: | | |
# Find all the files ending with _compare.png | |
mapfile -d '' -t files_to_add < <(find . -type f -name "*_compare.png" -print0) | |
# Check for invalid file names and add only valid ones | |
exist_valid_files="false" | |
for file in "${files_to_add[@]}"; do | |
if [[ $file =~ ^([-0-9A-Z_a-z.\ \/]|\[|\])+$ ]]; then | |
exist_valid_files="true" | |
break | |
fi | |
done | |
echo "exist_valid_files=$exist_valid_files" >> "$GITHUB_OUTPUT" | |
- id: push-screenshot-diff | |
shell: bash | |
if: steps.check-if-there-are-valid-files.outputs.exist_valid_files == 'true' | |
env: | |
BRANCH_NAME: companion_${{ github.event.workflow_run.head_branch }} | |
run: | | |
# Find all the files ending with _compare.png | |
mapfile -d '' -t files_to_add < <(find . -type f -name "*_compare.png" -print0) | |
# Check for invalid file names and add only valid ones | |
for file in "${files_to_add[@]}"; do | |
if [[ "$file" =~ ^([-0-9A-Z_a-z.\ \/]|\[|\])+$ ]]; then | |
git add "$file" | |
fi | |
done | |
git config --global user.name ScreenshotBot | |
git config --global user.email 41898282+github-actions[bot]@users.noreply.github.com | |
git commit -m "Add screenshot diff" | |
git push origin HEAD:"$BRANCH_NAME" -f | |
- id: generate-diff-reports | |
name: Generate diff reports | |
if: steps.check-if-there-are-valid-files.outputs.exist_valid_files == 'true' | |
env: | |
BRANCH_NAME: companion_${{ github.event.workflow_run.head_branch }} | |
shell: bash | |
run: | | |
# Find all the files ending with _compare.png in roborazzi folder | |
mapfile -d '' -t files < <(find . -type f -name "*_compare.png" -print0) | |
delimiter="$(openssl rand -hex 8)" | |
{ | |
echo "reports<<${delimiter}" | |
# Create markdown table header | |
echo "Snapshot diff report" | |
echo "| File name | Image |" | |
echo "|-------|-------|" | |
} >> "$GITHUB_OUTPUT" | |
# Iterate over the files and create table rows | |
for file in "${files[@]}"; do | |
# Get the file name and insert newlines every 20 characters | |
fileName=$(basename "$file" | sed -r 's/(.{20})/\1<br>/g') | |
urlPart="${BRANCH_NAME//#/%23}/${file//#/%23}" | |
urlPart="${urlPart//[/%5B}" | |
urlPart="${urlPart//]/%5D}" | |
urlPart="${urlPart// /%20}" | |
echo "| [$fileName](https://github.com/${{ github.repository }}/blob/$urlPart) | ![](https://github.com/${{ github.repository }}/blob/$urlPart?raw=true) |" >> "$GITHUB_OUTPUT" | |
done | |
echo "${delimiter}" >> "$GITHUB_OUTPUT" | |
- name: Find Comment | |
uses: peter-evans/find-comment@a54c31d7fa095754bfef525c0c8e5e5674c4b4b1 # v2 | |
id: fc | |
if: steps.generate-diff-reports.outputs.reports != '' | |
with: | |
issue-number: ${{ steps.get-pull-request-number.outputs.pull_request_number }} | |
comment-author: 'github-actions[bot]' | |
body-includes: Snapshot diff report | |
- name: Add or update comment on PR | |
uses: peter-evans/create-or-update-comment@c6c9a1a66007646a28c153e2a8580a5bad27bcfa # v3 | |
if: steps.generate-diff-reports.outputs.reports != '' | |
with: | |
comment-id: ${{ steps.fc.outputs.comment-id }} | |
issue-number: ${{ steps.get-pull-request-number.outputs.pull_request_number }} | |
body: ${{ steps.generate-diff-reports.outputs.reports }} | |
edit-mode: replace | |
- name: Cleanup outdated companion branches | |
run: | | |
# Find outdated companion branches with last commit date | |
git branch -r --format="%(refname:lstrip=3)" | grep companion_ | while read -r branch; do | |
last_commit_date_timestamp=$(git log -1 --format=%ct "origin/$branch") | |
now_timestamp=$(date +%s) | |
# Delete branch if it's older than 1 month | |
# if [ $((now_timestamp - last_commit_date_timestamp)) -gt 2592000 ]; then | |
# For testing purpose, delete branch if it's older than 1 second | |
echo "branch: $branch now_timestamp: $now_timestamp last_commit_date_timestamp: $last_commit_date_timestamp" | |
if [ $((now_timestamp - last_commit_date_timestamp)) -gt 1 ]; then | |
# Comment out for demonstration purpose | |
echo "Deleting $branch" | |
# git push origin --delete "$branch" | |
fi | |
done |