add GitHub Actions release workflow and DMG packaging

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: joemccann

.github/workflows/release.yml

@@ -0,0 +1,41 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+permissions:
+  contents: write
+
+jobs:
+  build-and-release:
+    runs-on: macos-15
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Build release binary
+        run: swift build -c release
+
+      - name: Create app bundle
+        run: |
+          APP_DIR="HumanizeBar.app"
+          rm -rf "$APP_DIR"
+          mkdir -p "${APP_DIR}/Contents/MacOS"
+          mkdir -p "${APP_DIR}/Contents/Resources"
+
+          cp ".build/release/HumanizeBar" "${APP_DIR}/Contents/MacOS/HumanizeBar"
+          cp "Info.plist" "${APP_DIR}/Contents/"
+          cp "Resources/AppIcon.icns" "${APP_DIR}/Contents/Resources/AppIcon.icns"
+
+          codesign --force --sign - "$APP_DIR"
+
+      - name: Create DMG
+        run: bash scripts/create-dmg.sh HumanizeBar.app HumanizeBar.dmg
+
+      - name: Upload to GitHub Release
+        uses: softprops/action-gh-release@v2
+        with:
+          files: HumanizeBar.dmg
+          generate_release_notes: true

README.md

@@ -2,6 +2,8 @@
 
 A native macOS menu bar app that rewrites AI-generated text into natural, human-sounding prose. Paste text, pick a tone, and get rewritten output copied to your clipboard.
 
+**[Download the latest release (DMG)](https://github.com/joemccann/humanize/releases/latest/download/HumanizeBar.dmg)**
+
 <p align="center">
   <img src=".github/banner.png" alt="Cerebras provider" width="100%" />
 </p>

scripts/create-dmg.sh

@@ -0,0 +1,44 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Creates a DMG installer from a .app bundle.
+# Usage: bash scripts/create-dmg.sh [path-to.app] [output-dmg-path]
+#
+# If no arguments are given, defaults to:
+#   App:  HumanizeBar.app  (in project root)
+#   DMG:  HumanizeBar.dmg  (in project root)
+
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+PROJECT_DIR="$(dirname "$SCRIPT_DIR")"
+
+APP_PATH="${1:-${PROJECT_DIR}/HumanizeBar.app}"
+DMG_PATH="${2:-${PROJECT_DIR}/HumanizeBar.dmg}"
+VOL_NAME="HumanizeBar"
+
+if [[ ! -d "$APP_PATH" ]]; then
+    echo "Error: app bundle not found at ${APP_PATH}" >&2
+    echo "Build it first with: bash scripts/build-app.sh" >&2
+    exit 1
+fi
+
+echo "Creating DMG from ${APP_PATH}..."
+
+# Set up staging directory
+STAGING_DIR=$(mktemp -d)
+trap 'rm -rf "$STAGING_DIR"' EXIT
+
+cp -R "$APP_PATH" "${STAGING_DIR}/"
+ln -s /Applications "${STAGING_DIR}/Applications"
+
+# Remove any existing DMG
+rm -f "$DMG_PATH"
+
+# Create compressed DMG
+hdiutil create \
+    -volname "$VOL_NAME" \
+    -srcfolder "$STAGING_DIR" \
+    -ov \
+    -format UDZO \
+    "$DMG_PATH"
+
+echo "Done: ${DMG_PATH}"