name: Prepare Release
on:
push:
tags: ['v*']
permissions:
contents: write
pull-requests: write
actions: write
env:
CARGO_TERM_COLOR: always
GH_TOKEN: ${{ github.token }}
jobs:
prepare:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v6
with:
fetch-depth: 0
- name: Reclaim the tag as a release request
id: ver
run: |
version="${GITHUB_REF_NAME#v}"
echo "version=$version" >> "$GITHUB_OUTPUT"
git push origin --delete "$GITHUB_REF_NAME"
- name: Skip if this release already exists
id: check
run: |
if gh release view "v${{ steps.ver.outputs.version }}" >/dev/null 2>&1; then
echo "exists=true" >> "$GITHUB_OUTPUT"
else
echo "exists=false" >> "$GITHUB_OUTPUT"
fi
- uses: Swatinem/rust-cache@v2
if: steps.check.outputs.exists == 'false'
- name: Bump Cargo.toml to the requested version
if: steps.check.outputs.exists == 'false'
id: bump
run: |
git checkout -B "release/v${{ steps.ver.outputs.version }}" "origin/main"
current="$(cargo metadata --no-deps --format-version 1 | jq -r '.packages[0].version')"
if [ "$current" = "${{ steps.ver.outputs.version }}" ]; then
echo "changed=false" >> "$GITHUB_OUTPUT"
exit 0
fi
cargo install cargo-edit --locked
cargo set-version "${{ steps.ver.outputs.version }}"
cargo check
git config user.name "github-actions-release[bot]"
git config user.email "github-actions-release[bot]@users.noreply.github.com"
git commit -am "Bump version to ${{ steps.ver.outputs.version }}"
git push origin "release/v${{ steps.ver.outputs.version }}"
echo "changed=true" >> "$GITHUB_OUTPUT"
- name: Open and merge the version-bump PR
if: steps.check.outputs.exists == 'false' && steps.bump.outputs.changed == 'true'
id: merge
run: |
gh pr create \
--base main \
--head "release/v${{ steps.ver.outputs.version }}" \
--title "Release v${{ steps.ver.outputs.version }}" \
--body "Automated version bump for v${{ steps.ver.outputs.version }}."
gh pr merge "release/v${{ steps.ver.outputs.version }}" \
--squash --delete-branch --admin
git fetch origin main
echo "sha=$(git rev-parse origin/main)" >> "$GITHUB_OUTPUT"
- name: Resolve release commit when no bump was needed
if: steps.check.outputs.exists == 'false' && steps.bump.outputs.changed == 'false'
id: nobump
run: echo "sha=$(git rev-parse origin/main)" >> "$GITHUB_OUTPUT"
- name: Create the release and dispatch publish jobs
if: steps.check.outputs.exists == 'false'
run: |
sha="${{ steps.merge.outputs.sha || steps.nobump.outputs.sha }}"
gh release create "v${{ steps.ver.outputs.version }}" \
--target "$sha" \
--title "v${{ steps.ver.outputs.version }}" \
--generate-notes
# A release created via GITHUB_TOKEN does not auto-trigger other
# workflows' `release: created` listeners, so dispatch them directly.
gh workflow run publish-crate.yml --ref "v${{ steps.ver.outputs.version }}"
gh workflow run release-deb.yml --ref "v${{ steps.ver.outputs.version }}"