GitHub: Rework release action.

.github/workflows/releases.yaml

@@ -0,0 +1,96 @@
+name: Releases
+
+on:
+  push:
+    branches:
+      - main
+      - master
+      # Remove when ready.
+      - liljx
+    paths:
+      - "*/v*.*.*"
+      # Remove when ready.
+      - .github/workflows/releases.yaml
+
+jobs:
+  get-releases:
+    name: Get releases
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      - name: Get releases
+        id: get-releases
+        run: echo releases="$(jq --null-input --args '$ARGS.positional' --compact-output -- {azure,capa}/v*.*.*)" >> "${GITHUB_OUTPUT}"
+      - name: Print releases
+        env:
+          releases: ${{ steps.get-releases.outputs.releases }}
+        run: echo "${releases}"
+
+    outputs:
+      releases: ${{ steps.get-releases.outputs.releases }}
+
+  create-release:
+    name: Create release
+    runs-on: ubuntu-latest
+    needs: get-releases
+
+    strategy:
+      matrix:
+        release: ${{ fromJSON(needs.get-releases.outputs.releases) }}
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          fetch-tags: true
+      - name: Print release
+        env:
+          release: ${{ matrix.release }}
+        run: echo "${release}"
+      - name: Split release
+        id: split-release
+        env:
+          release: ${{ matrix.release }}
+        run: |
+          # Get provider & version.
+          provider="${release%/v*.*.*}"
+          version="${release#${provider}/}"
+
+          # Switch release.
+          case "${provider}" in
+            capa)
+              provider="aws"
+              ;;
+          esac
+
+          # Store provider & version.
+          echo provider="${provider}" >> "${GITHUB_OUTPUT}"
+          echo version="${version}" >> "${GITHUB_OUTPUT}"
+      - name: Print provider & version
+        env:
+          provider: ${{ steps.split-release.outputs.provider }}
+          version: ${{ steps.split-release.outputs.version }}
+        run: echo "${provider} | ${version}"
+      - name: Get tag
+        id: get-tag
+        env:
+          provider: ${{ steps.split-release.outputs.provider }}
+          version: ${{ steps.split-release.outputs.version }}
+        run: |
+          # Define tag.
+          tag="${provider}/${version}"
+
+          # Check tag.
+          [ -z "$(git tag --list "${tag}")" ] && exists=true || exists=false
+
+          # Store tag & exists.
+          echo tag="${tag}" >> "${GITHUB_OUTPUT}"
+          echo exists="${exists}" >> "${GITHUB_OUTPUT}"
+      - name: Create tag
+        if: ${{ steps.get-tag.outputs.exists }} == false
+        env:
+          tag: ${{ steps.get-tag.outputs.tag }}
+        run: echo "${tag}"