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Enforce PR promotion path: * -> dev and dev -> main only #8

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Merged
dwego merged 2 commits into from
Jul 15, 2026
+30 −0
Merged

Enforce PR promotion path: * -> dev and dev -> main only #8

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28dc1ac
Add workflow to enforce PR branch flow
Copilot Jul 15, 2026
3adda3c
Harden PR policy workflow token permissions
Copilot Jul 15, 2026
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30 changes: 30 additions & 0 deletions .github/workflows/pr-branch-policy.yml
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Original file line number Diff line number Diff line change
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name: PR Branch Policy

on:
pull_request:
types: [opened, reopened, synchronize, edited, ready_for_review]

permissions: {}

jobs:
validate-pr-flow:
runs-on: ubuntu-latest
steps:
- name: Validate source and target branches
env:
BASE_REF: ${{ github.event.pull_request.base.ref }}
HEAD_REF: ${{ github.event.pull_request.head.ref }}
run: |
if [ "$BASE_REF" = "dev" ]; then
echo "Allowed: any branch can open PR to dev."
exit 0
fi

if [ "$BASE_REF" = "main" ] && [ "$HEAD_REF" = "dev" ]; then
echo "Allowed: only dev can open PR to main."
exit 0
fi

echo "Blocked: PR flow must be <any-branch -> dev> or <dev -> main>."
echo "Current flow: $HEAD_REF -> $BASE_REF"
exit 1
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