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infra: switch update-syntax-grammars to pr-automation-bot-public GitHub App #202

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Merged
marc0olo merged 2 commits into from
May 5, 2026
+22 −9
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infra: switch update-syntax-grammars to pr-automation-bot-public GitHub App #202

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20fb439
infra: switch update-syntax-grammars to pr-automation-bot-public GitH…
marc0olo May 5, 2026
c0fc775
infra: add BOT_APPROVED_FILES policy for pr-automation-bot-public
marc0olo May 5, 2026
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10 changes: 10 additions & 0 deletions .github/repo_policies/BOT_APPROVED_FILES
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Original file line number Diff line number Diff line change
@@ -0,0 +1,10 @@
# Files the pr-automation-bot-public bot is allowed to change via automated PRs.

# sync-motoko: bumps the Motoko submodule and syncs generated docs
.sources/motoko
.sources/VERSIONS
docs/languages/motoko/*

# update-syntax-grammars: updates TextMate grammars from vscode-motoko releases
syntaxes/motoko.tmLanguage.json
syntaxes/candid.tmLanguage.json
21 changes: 12 additions & 9 deletions .github/workflows/update-syntax-grammars.yml
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Expand Up @@ -5,20 +5,23 @@ on:
- cron: "0 9 * * 1" # every Monday at 09:00 UTC
workflow_dispatch:

permissions:
contents: write
pull-requests: write

jobs:
update-grammars:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1

- name: Create GitHub App Token
uses: actions/create-github-app-token@1b10c78c7865c340bc4f6099eb2f838309f1e8c3 # v3.1.1
id: app-token
with:
client-id: ${{ vars.PR_AUTOMATION_BOT_PUBLIC_CLIENT_ID }}
private-key: ${{ secrets.PR_AUTOMATION_BOT_PUBLIC_PRIVATE_KEY }}

- name: Fetch latest vscode-motoko release
id: release
env:
GH_TOKEN: ${{ github.token }}
GH_TOKEN: ${{ steps.app-token.outputs.token }}
run: |
tag=$(gh api repos/dfinity/vscode-motoko/releases/latest --jq '.tag_name')
echo "tag=$tag" >> "$GITHUB_OUTPUT"
Expand All @@ -27,7 +30,7 @@ jobs:
- name: Check if PR already exists for this release
id: existing
env:
GH_TOKEN: ${{ github.token }}
GH_TOKEN: ${{ steps.app-token.outputs.token }}
run: |
tag="${{ steps.release.outputs.tag }}"
branch="chore/update-syntax-grammars-${tag}"
Expand Down Expand Up @@ -80,13 +83,13 @@ jobs:
- name: Create pull request
if: steps.existing.outputs.skip == 'false' && steps.diff.outputs.changed == 'true'
env:
GH_TOKEN: ${{ github.token }}
GH_TOKEN: ${{ steps.app-token.outputs.token }}
run: |
tag="${{ steps.release.outputs.tag }}"
branch="chore/update-syntax-grammars-${tag}"

git config user.name "github-actions[bot]"
git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
git config user.name "pr-automation-bot-public[bot]"
git config user.email "pr-automation-bot-public[bot]@users.noreply.github.com"
git checkout -b "$branch"
git add syntaxes/
git commit -m "chore: update Motoko and Candid grammars to vscode-motoko ${tag}"
Expand Down
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