ci: add update formula action

Author: eWert-Online

.github/workflows/publish.yml

@@ -0,0 +1,21 @@
+class Pinc < Formula
+  desc "Component based CMS with git like principles"
+  homepage "https://github.com/pinc-official/pinc-playground"
+  license "MIT"
+
+  depends_on "vips"
+
+  bottle do
+    root_url "${BASE_URL}"
+${BOTTLE_LINES}  end
+
+  depends_on "vips"
+
+  def install
+    bin.install "bin/pinc"
+  end
+
+  test do
+    system "#{bin}/pinc", "--version"
+  end
+end

.github/workflows/templates/pinc.rb.template

@@ -0,0 +1,99 @@
+name: Update Formula
+
+on:
+  release:
+    types:
+      - published
+      - edited
+
+jobs:
+  check-assets:
+    runs-on: ubuntu-latest
+    outputs:
+      has_darwin_amd64: ${{ steps.check.outputs.has_darwin_amd64 }}
+      has_darwin_arm64: ${{ steps.check.outputs.has_darwin_arm64 }}
+      has_linux_arm64: ${{ steps.check.outputs.has_linux_arm64 }}
+      has_linux_amd64: ${{ steps.check.outputs.has_linux_amd64 }}
+    steps:
+      - name: Check available assets
+        id: check
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          VERSION: ${{ github.event.release.tag_name }}
+        run: |
+          gh release view "${VERSION}" --repo "${{ github.repository }}" --json assets --jq '.assets[].name' > assets.txt
+          cat assets.txt
+
+          grep -q "pinc-${VERSION}-darwin-amd64.tar.gz" assets.txt \
+            && echo "has_darwin_amd64=true" >> $GITHUB_OUTPUT \
+            || echo "has_darwin_amd64=false" >> $GITHUB_OUTPUT
+
+          grep -q "pinc-${VERSION}-darwin-arm64.tar.gz" assets.txt \
+            && echo "has_darwin_arm64=true" >> $GITHUB_OUTPUT \
+            || echo "has_darwin_arm64=false" >> $GITHUB_OUTPUT
+
+          grep -q "pinc-${VERSION}-linux-amd64.tar.gz" assets.txt \
+            && echo "has_linux_amd64=true" >> $GITHUB_OUTPUT \
+            || echo "has_linux_amd64=false" >> $GITHUB_OUTPUT
+
+          grep -q "pinc-${VERSION}-linux-arm64.tar.gz" assets.txt \
+            && echo "has_linux_arm64=true" >> $GITHUB_OUTPUT \
+            || echo "has_linux_arm64=false" >> $GITHUB_OUTPUT
+
+  update-formula:
+    needs: check-assets
+    runs-on: ubuntu-latest
+    env:
+      VERSION: ${{ github.event.release.tag_name }}
+      BASE_URL: 'https://github.com/${{ github.repository }}/releases/download/${{ github.event.release.tag_name }}'
+      GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v6
+        with:
+          ref: main
+
+      - name: Download assets
+        run: |
+          gh release download "${VERSION}" \
+            --repo "${{ github.repository }}" \
+            --pattern "*.tar.gz" || true
+
+      - name: Compute SHA256s
+        id: sha256
+        run: |
+          for PLATFORM in darwin-amd64 darwin-arm64 linux-amd64 linux-arm64; do
+            FILE="pinc-${VERSION}-${PLATFORM}.tar.gz"
+            if [ -f "${FILE}" ]; then
+              SHA=$(sha256sum "${FILE}" | awk '{print $1}')
+              echo "${PLATFORM//-/_}=${SHA}" >> $GITHUB_OUTPUT
+            fi
+          done
+
+      - name: Update formula
+        run: |
+          BOTTLE_LINES=""
+          if [ "${{ needs.check-assets.outputs.has_darwin_arm64 }}" == "true" ]; then
+            BOTTLE_LINES="${BOTTLE_LINES}    sha256 cellar: :any_skip_relocation, arm64_sequoia: \"${{ steps.sha256.outputs.darwin_arm64 }}\"\n"
+          fi
+          if [ "${{ needs.check-assets.outputs.has_darwin_amd64 }}" == "true" ]; then
+            BOTTLE_LINES="${BOTTLE_LINES}    sha256 cellar: :any_skip_relocation, sequoia: \"${{ steps.sha256.outputs.darwin_amd64 }}\"\n"
+          fi
+          if [ "${{ needs.check-assets.outputs.has_linux_amd64 }}" == "true" ]; then
+            BOTTLE_LINES="${BOTTLE_LINES}    sha256 cellar: :any_skip_relocation, x86_64_linux: \"${{ steps.sha256.outputs.linux_amd64 }}\"\n"
+          fi
+          if [ "${{ needs.check-assets.outputs.has_linux_arm64 }}" == "true" ]; then
+            BOTTLE_LINES="${BOTTLE_LINES}    sha256 cellar: :any_skip_relocation, arm64_linux: \"${{ steps.sha256.outputs.linux_arm64 }}\"\n"
+          fi
+
+          export BASE_URL
+          export BOTTLE_LINES=$(printf "${BOTTLE_LINES}")
+          envsubst < .github/workflows/templates/pinc.rb.template > Formula/pinc.rb
+
+      - name: Commit and push formula
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          git add Formula/pinc.rb
+          git commit -m "pinc ${VERSION}"
+          git push