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ci: Auto-apply 27.lts cherry-pick label to main PRs #9187

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ci: Auto-apply 27.lts cherry-pick label to main PRs
oxve Feb 20, 2026
dc39885
Merge branch 'main' into autolabel
oxve Feb 23, 2026
af71d73
Merge branch 'main' into autolabel
oxve Feb 25, 2026
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4 changes: 4 additions & 0 deletions .github/config/infra/main_auto_cherry.yml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,4 @@
# These labels are automatically applied when a PR is merged.
'cp-27.lts':
- changed-files:
- any-glob-to-any-file: '**'
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@gemini-code-assist gemini-code-assist bot Feb 20, 2026

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medium

Using any-glob-to-any-file: '**' will apply the label to any change, which might be overly broad. If the intention is to only apply this label to changes that are relevant for cherry-picking to 27.lts.1+, consider a more specific glob pattern. For example, if only changes within a certain directory or with a specific file extension are relevant, the glob should reflect that. If the intent is truly for all files, then this is acceptable, but it's worth double-checking the scope.

64 changes: 38 additions & 26 deletions .github/workflows/label-cherry-pick.yaml
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Expand Up @@ -6,44 +6,56 @@
- labeled
- closed

permissions:
contents: read

jobs:
prepare_branch_list:
runs-on: ubuntu-latest
if: |
github.event.pull_request.merged == true &&
github.event.pull_request.merge_commit_sha != null
permissions:
pull-requests: write
outputs:
target_branch: ${{ steps.set-branches.outputs.target_branch }}
steps:
- name: Set Branches
id: set-branches
env:
PR_LABELS: ${{ toJson(github.event.pull_request.labels) }}
EVENT_ACTION: ${{ github.event.action }}
LABEL_NAME: ${{ github.event.label.name }}
BASE_REF: ${{ github.base_ref }}
run: |
if [[ $EVENT_ACTION == 'closed' ]]; then
# Get a list of the labels from the PR.
labels=$(echo "$PR_LABELS" | jq -r '.[].name')
else
# Or get the label that was added on the merged PR.
labels=$LABEL_NAME
fi
- name: Auto-label PR
uses: actions/labeler@v5

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if: github.event.pull_request.merged == true && github.base_ref == 'main'
with:
repo-token: "${{ secrets.GITHUB_TOKEN }}"
configuration-path: .github/config/infra/main_auto_cherry.yml

# This list must contain all cherry-pick destinations as file is used for all branches.
branches=("main" "26.eap" "26.android" "25.lts.1+" "24.lts.1+" "23.lts.1+" "22.lts.1+" "21.lts.1+" "20.lts.1+" "19.lts.1+" "rc_11" "COBALT_9")
filtered_branches=()
for branch in "${branches[@]}"; do
if [[ $branch == $BASE_REF ]]; then
continue
fi
if [[ ${labels[@]} =~ "cp-$branch" ]]; then
filtered_branches+=("$branch")
- name: Set Branches
id: set-branches
env:
PR_LABELS: ${{ toJson(github.event.pull_request.labels) }}
EVENT_ACTION: ${{ github.event.action }}
LABEL_NAME: ${{ github.event.label.name }}
BASE_REF: ${{ github.base_ref }}
run: |
if [[ $EVENT_ACTION == 'closed' ]]; then
# Get a list of the labels from the PR.
labels=$(echo "$PR_LABELS" | jq -r '.[].name')
else
# Or get the label that was added on the merged PR.
labels=$LABEL_NAME
fi
done

echo "target_branch=$(echo -n "${filtered_branches[@]}" | jq -cRs 'split(" ")')" >> $GITHUB_OUTPUT
# This list must contain all cherry-pick destinations as file is used for all branches.
branches=("main" "27.lts" "26.eap" "26.android" "25.lts.1+" "24.lts.1+" "23.lts.1+" "22.lts.1+" "21.lts.1+" "20.lts.1+" "19.lts.1+" "rc_11" "COBALT_9")
filtered_branches=()
for branch in "${branches[@]}"; do
if [[ $branch == $BASE_REF ]]; then
continue
fi
if [[ ${labels[@]} =~ "cp-$branch" ]]; then
filtered_branches+=("$branch")
fi
done

echo "target_branch=$(echo -n "${filtered_branches[@]}" | jq -cRs 'split(" ")')" >> $GITHUB_OUTPUT

cherry_pick:
runs-on: ubuntu-latest
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