Add Homebrew tap distribution

- brews section in goreleaser config
- HOMEBREW_TAP_TOKEN in release workflow
- brew install instructions in README

Author: rmorse

.github/workflows/release.yml

@@ -29,3 +29,4 @@ jobs:
           args: release --clean
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          HOMEBREW_TAP_TOKEN: ${{ secrets.HOMEBREW_TAP_TOKEN }}

.goreleaser.yaml

@@ -57,3 +57,16 @@ changelog:
       - "^docs:"
       - "^test:"
       - "^chore:"
+
+brews:
+  - repository:
+      owner: operator-kit
+      name: homebrew-tap
+      token: "{{ .Env.HOMEBREW_TAP_TOKEN }}"
+    homepage: "https://github.com/operator-kit/github-app-auth"
+    description: "GitHub App authentication for git and gh"
+    install: |
+      bin.install "ghapp"
+      bin.install "ghapp-gh"
+    test: |
+      system "#{bin}/ghapp", "version"

README.md

@@ -5,6 +5,10 @@ CLI tool that authenticates as a GitHub App, generates installation tokens, and
 ## Install
 
 ```bash
+# Homebrew (macOS/Linux)
+brew tap operator-kit/tap
+brew install ghapp
+
 # One-liner (Linux/macOS)
 curl -sSL https://raw.githubusercontent.com/operator-kit/github-app-auth/main/install.sh | bash