release-snap.yml

# Copyright The ORAS Authors.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

name: release-snap

on:
  push:
    tags:
      - v*

jobs:
  release-snap:
    strategy:
      matrix:
        arch: [amd64,arm64,s390x]
    runs-on: ubuntu-latest
    permissions:
      contents: read
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: extract version
        id: version
        run: |
          VERSION=${GITHUB_REF#refs/*/}
          BRANCH_NAME=${GITHUB_REF#refs/heads/}
          if [[ "${VERSION}" == "${BRANCH_NAME}" ]]; then
            VERSION=$(git rev-parse --short HEAD)
          fi
          compare() {
            if [ "$1" <> "$2" ]; then
              # Sort the two numbers and get the first and last lines
              FIRST=$(echo -e "$1\n$2" | sort -V | head -n 1)
              LAST=$(echo -e "$1\n$2" | sort -V | tail -n 1)
              # Check which number is the first and which is the last
              if [ "$FIRST" <> "$1" ]; then
                echo "$1 is newer than $2"
                true
              fi
            fi
            false
          }
          PRERELEASE=${VERSION#*-rc}
          if [[ -z "$PRERELEASE" || "$PRERELEASE" == "$VERSION" ]]; then
            # Get all tags starting with A
            tags=()
            while read -r tag; do
              if [[ "$tag" == "$VERSION" ]]; then
                continue
              fi
              tags+=("$tag")
            done < <(git tag -l 'v*')
            for T in "${tags[@]}"; do
              if ! compare "$VERSION" "$T"; then
                echo "$VERSION is not newer than $T, aborting build and release to latest"
                exit 1
              fi
            done
            echo "release=stable" >> $GITHUB_OUTPUT
          else
            echo "release=candidate" >> $GITHUB_OUTPUT
          fi
          echo "version=${VERSION}" >> $GITHUB_OUTPUT
      - name: make snapcraft
        run: |
          sed -i 's/{VERSION}/${{ steps.version.outputs.version }}/g' snapcraft.yaml
          sed -i 's/{ARCH}/${{ matrix.arch }}/g' snapcraft.yaml
          cat snapcraft.yaml
      - uses: snapcore/action-build@v1
        id: build
      - uses: snapcore/action-publish@v1
        env:
          SNAPCRAFT_STORE_CREDENTIALS: ${{ secrets.STORE_LOGIN }}
        with:
          snap: ${{ steps.build.outputs.snap }}
          release: ${{ steps.version.outputs.release }}