Add release workflow

.github/scripts/bump.rb

@@ -0,0 +1,36 @@
+class String
+	def colorize(color_code)
+		"\e[38;5;#{color_code}m#{self}\e[0m"
+	end
+end
+
+BUMP_TYPE = ARGV[0]
+unless /^(major|minor|patch)$/.match?(BUMP_TYPE)
+	abort("Please, pass one of these major/minor/patch bump type.".colorize(9))
+end
+
+VERSION = %x[grep -Eo '[0-9]+.[0-9]+.[0-9]+' Sources/Pods/main.swift].chomp
+VERSION_PARTS = VERSION.split(".").map(&:to_i)
+
+if BUMP_TYPE == "major"
+	VERSION_PARTS[0] += 1
+	VERSION_PARTS[1] = 0
+	VERSION_PARTS[2] = 0
+elsif BUMP_TYPE == "minor"
+	VERSION_PARTS[1] += 1
+	VERSION_PARTS[2] = 0
+elsif BUMP_TYPE == "patch"
+	VERSION_PARTS[2] += 1
+end
+NEW_VERSION = VERSION_PARTS.join(".")
+
+# Update version in main.swift for ArgumentParser
+%x[sed -i '' 's/#{VERSION}/#{NEW_VERSION}/g' Sources/Pods/main.swift]
+# Update version for Homebrew
+%x[sed -i '' 's/#{VERSION}/#{NEW_VERSION}/g' Formula/pods.rb]
+# Add bump commit
+%x[git commit -i Sources/Pods/main.swift Formula/pods.rb -m "Bump version #{NEW_VERSION}"]
+# Add new git tag
+%x[git tag #{NEW_VERSION}]
+
+puts BUMP_TYPE.capitalize + ": " + VERSION + " → " + NEW_VERSION

.github/workflows/release.yml

@@ -0,0 +1,59 @@
+name: Release
+
+on:
+  workflow_dispatch:
+    inputs:
+      bump-type:
+        type: choice
+        required: true
+        options:
+        - patch
+        - minor
+        - major
+
+permissions:
+  contents: write
+  discussions: write
+
+jobs:
+  bump:
+    runs-on: macos-11.0
+    steps:
+      # Checkout with custom token for pushin to protected branch
+      - uses: actions/checkout@v3
+        with:
+          token: ${{ secrets.CUSTOM_GITHUB_TOKEN }}
+
+      # Update version in all files, commit, add tag and push
+      - run: |
+          git config user.name "GitHub Actions"
+          git config user.email "swiftyfinch@yandex.com"
+          ruby .github/scripts/bump.rb ${{ github.event.inputs.bump-type }}
+
+      # Build binary
+      - uses: maxim-lobanov/setup-xcode@v1
+        with: { xcode-version: '13.0' }
+      - name: Build Pods
+        run: |
+          swift build -c release --arch arm64 --arch x86_64
+          swift run pods --version
+          path=`swift build -c release --arch arm64 --arch x86_64 --show-bin-path`
+          mkdir -p pods/bin && mv $path/pods pods/bin
+          zip -r pods.zip pods
+
+      # Push tag and commit
+      - run: |
+          echo "release_tag=`git describe --tags --abbrev=0`" >> $GITHUB_ENV
+          git push origin
+          git push origin `git describe --tags --abbrev=0`
+
+      # Create release and discussion
+      - name: Release
+        uses: softprops/action-gh-release@v1
+        with:
+          name: 🌱 Pods ${{ env.release_tag }}
+          generate_release_notes: true
+          discussion_category_name: Releases
+          fail_on_unmatched_files: true
+          files: pods.zip
+          tag_name: ${{ env.release_tag }}