Add automated release workflow

.github/workflows/patch-release.yaml

@@ -0,0 +1,42 @@
+name: Automated release
+
+on:
+ push:
+ branches:
+ - llvm_release_*
+
+jobs:
+ release:
+ runs-on: ubuntu-latest
+ steps:
+ - name: Checkout
+ uses: actions/checkout@v4
+ with:
+ fetch-depth: 0
+ - name: Get latest tag
+ run: |
+ echo "LATEST_VERSION=$(git describe --tags --abbrev=0)" >> $GITHUB_ENV
+ echo "LLVM_VERSION=$(git describe --tags --abbrev=0)" | \
+ sed -E 's/(v[0-9]+\.[0-9]+\.[0-9]+).*/\1/' >> $GITHUB_ENV
+ - name: Get patch version
+ run: |
+ echo "PATCH=$(git rev-list ${LLVM_VERSION}..HEAD --count)" >> $GITHUB_ENV
+ - name: Get current version
+ run: |
+ echo "RELEASE_VERSION=${LLVM_VERSION}.${PATCH}" >> $GITHUB_ENV
+ - name: Get latest llvm_release branch
+ run: echo "LATEST_BRANCH=llvm_release_$(git branch -r | grep 'llvm_release_' | sed -E 's/.*\/llvm_release_([0-9]+)/\1/' | sort -n -r | head -1)" >> $GITHUB_ENV 
+ - name: Release
+ uses: softprops/action-gh-release@v2
+ with:
+ # Setting tag to have format:
+ # %latest llvm version%.%number of commits since that tag%
+ tag_name: ${{ env.RELEASE_VERSION }}
+ # We have to set this so tag is set on the branch that triggered
+ # a PR
+ target_commitish: ${{ github.sha }}
+ # We don't want to mark patch releases latest unless it is latest
+ # major version
+ make_latest: ${{ env.LATEST_BRANCH == github.ref_name }}
+ name: SPIR-V LLVM translator based on LLVM ${{ env.LLVM_VERSION }}
+ body: 'Full Changelog: ${{ github.server_url }}/${{ github.repository }}/compare/${{ env.LATEST_VERSION }}...${{ env.RELEASE_VERSION }}'