Add GitHub Actions workflows for Homebrew formula updates and tap setup

Author: mxvsh

.github/workflows/homebrew.yml

@@ -0,0 +1,61 @@
+name: Update Homebrew Formula
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  update-formula:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up environment
+        run: |
+          echo "VERSION=${GITHUB_REF#refs/tags/v}" >> $GITHUB_ENV
+          echo "DARWIN_ARM64_URL=https://github.com/mxvsh/cpw/releases/download/${GITHUB_REF#refs/tags/}/cpw-darwin-arm64" >> $GITHUB_ENV
+          echo "LINUX_ARM64_URL=https://github.com/mxvsh/cpw/releases/download/${GITHUB_REF#refs/tags/}/cpw-linux-arm64" >> $GITHUB_ENV
+          echo "LINUX_ARM_URL=https://github.com/mxvsh/cpw/releases/download/${GITHUB_REF#refs/tags/}/cpw-linux-armv7" >> $GITHUB_ENV
+
+      - name: Download binaries and calculate checksums
+        run: |
+          mkdir -p ./bin
+          curl -L $DARWIN_ARM64_URL -o ./bin/cpw-darwin-arm64
+          curl -L $LINUX_ARM64_URL -o ./bin/cpw-linux-arm64
+          curl -L $LINUX_ARM_URL -o ./bin/cpw-linux-armv7
+
+          DARWIN_ARM64_SHA256=$(sha256sum ./bin/cpw-darwin-arm64 | awk '{print $1}')
+          LINUX_ARM64_SHA256=$(sha256sum ./bin/cpw-linux-arm64 | awk '{print $1}')
+          LINUX_ARM_SHA256=$(sha256sum ./bin/cpw-linux-armv7 | awk '{print $1}')
+
+          echo "DARWIN_ARM64_SHA256=$DARWIN_ARM64_SHA256" >> $GITHUB_ENV
+          echo "LINUX_ARM64_SHA256=$LINUX_ARM64_SHA256" >> $GITHUB_ENV
+          echo "LINUX_ARM_SHA256=$LINUX_ARM_SHA256" >> $GITHUB_ENV
+
+      - name: Update Homebrew formula
+        run: |
+          sed -i "s/VERSION_PLACEHOLDER/$VERSION/g" Formula/cpw.rb
+          sed -i "s/SHA256_PLACEHOLDER_DARWIN_ARM64/$DARWIN_ARM64_SHA256/g" Formula/cpw.rb
+          sed -i "s/SHA256_PLACEHOLDER_LINUX_ARM64/$LINUX_ARM64_SHA256/g" Formula/cpw.rb
+          sed -i "s/SHA256_PLACEHOLDER_LINUX_ARM/$LINUX_ARM_SHA256/g" Formula/cpw.rb
+
+          cat Formula/cpw.rb
+
+      - name: Clone tap repository
+        run: |
+          git config --global user.email "action@github.com"
+          git config --global user.name "GitHub Action"
+          git clone https://github.com/${{ github.repository_owner }}/homebrew-cpw.git tap
+
+      - name: Update formula in tap
+        run: |
+          mkdir -p tap/Formula
+          cp Formula/cpw.rb tap/Formula/
+
+      - name: Commit and push to tap
+        working-directory: ./tap
+        run: |
+          git add Formula/cpw.rb
+          git commit -m "Update cpw formula to v${{ env.VERSION }}"
+          git push https://${{ github.actor }}:${{ secrets.GITHUB_TOKEN }}@github.com/${{ github.repository_owner }}/homebrew-cpw.git

.github/workflows/setup_tap.yml

@@ -0,0 +1,69 @@
+name: Setup Homebrew Tap
+
+on:
+  workflow_dispatch:
+    inputs:
+      create_repo:
+        description: 'Create tap repository if it does not exist'
+        required: true
+        default: 'true'
+
+jobs:
+  setup-tap:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Create tap repository
+        if: ${{ github.event.inputs.create_repo == 'true' }}
+        uses: actions/github-script@v6
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            try {
+              const { data } = await github.rest.repos.get({
+                owner: context.repo.owner,
+                repo: 'homebrew-cpw'
+              });
+              console.log('Tap repository already exists');
+            } catch (error) {
+              if (error.status === 404) {
+                console.log('Creating tap repository...');
+                const { data } = await github.rest.repos.createInOrg({
+                  org: context.repo.owner,
+                  name: 'homebrew-cpw',
+                  description: 'Homebrew tap for CPW - Copy on Write file watcher',
+                  private: false,
+                  auto_init: true
+                });
+                console.log('Tap repository created: ' + data.html_url);
+              } else {
+                console.error('Error checking repository:', error);
+                process.exit(1);
+              }
+            }
+
+      - name: Setup Git
+        run: |
+          git config --global user.email "action@github.com"
+          git config --global user.name "GitHub Action"
+
+      - name: Clone tap repository
+        run: |
+          git clone https://github.com/${{ github.repository_owner }}/homebrew-cpw.git tap
+
+      - name: Create formula directory
+        run: |
+          mkdir -p tap/Formula
+
+      - name: Copy formula template
+        run: |
+          cp Formula/cpw.rb tap/Formula/
+
+      - name: Commit and push
+        working-directory: ./tap
+        run: |
+          git add Formula/cpw.rb
+          git commit -m "Initial formula setup" || echo "No changes to commit"
+          git push https://${{ github.actor }}:${{ secrets.GITHUB_TOKEN }}@github.com/${{ github.repository_owner }}/homebrew-cpw.git