scripts/make-dmg.sh

@@ -0,0 +1,95 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+cd "$ROOT"
+
+APP_BUNDLE="${ROOT}/.build/Shotdeck.app"
+STAGING="${ROOT}/.build/dmg-staging"
+DMG="${ROOT}/.build/Shotdeck.dmg"
+MOUNT_POINT="${ROOT}/.build/dmg-mnt"
+
+SKIP_SIGN=0
+for arg in "$@"; do
+    case "${arg}" in
+        --skip-sign)
+            SKIP_SIGN=1
+            ;;
+        *)
+            echo "Unknown argument: ${arg}" >&2
+            echo "Usage: $0 [--skip-sign]" >&2
+            exit 1
+            ;;
+    esac
+done
+
+echo "==> Building Shotdeck.app"
+if [[ "${SKIP_SIGN}" -eq 1 ]]; then
+    ./scripts/build-app.sh --skip-sign
+else
+    ./scripts/build-app.sh
+fi
+
+if [[ ! -d "${APP_BUNDLE}" ]]; then
+    echo "App bundle not found at ${APP_BUNDLE}" >&2
+    exit 1
+fi
+
+echo "==> Staging DMG contents"
+rm -rf "${STAGING}"
+mkdir -p "${STAGING}"
+ditto "${APP_BUNDLE}" "${STAGING}/Shotdeck.app"
+ln -s /Applications "${STAGING}/Applications"
+
+echo "==> Creating ${DMG}"
+mkdir -p "$(dirname "${DMG}")"
+hdiutil create -volname "Shotdeck" -srcfolder "${STAGING}" -ov -format UDZO "${DMG}"
+
+MOUNTED=0
+detach_dmg() {
+    if [[ "${MOUNTED}" -eq 1 ]]; then
+        hdiutil detach "${MOUNT_POINT}" || hdiutil detach "${MOUNT_POINT}" -force || true
+        MOUNTED=0
+    fi
+}
+trap detach_dmg EXIT
+
+if [[ -d "${MOUNT_POINT}" ]] && /sbin/mount | grep -F -q "${MOUNT_POINT}"; then
+    hdiutil detach "${MOUNT_POINT}" || hdiutil detach "${MOUNT_POINT}" -force
+fi
+rm -rf "${MOUNT_POINT}"
+mkdir -p "${MOUNT_POINT}"
+
+echo "==> Verifying ${DMG}"
+hdiutil attach "${DMG}" -nobrowse -readonly -mountpoint "${MOUNT_POINT}"
+MOUNTED=1
+
+echo "==> Mount contents"
+ls -la "${MOUNT_POINT}"
+
+if [[ ! -d "${MOUNT_POINT}/Shotdeck.app" ]]; then
+    echo "Verification failed: Shotdeck.app missing from mounted DMG" >&2
+    exit 1
+fi
+if [[ ! -L "${MOUNT_POINT}/Applications" ]]; then
+    echo "Verification failed: Applications symlink missing from mounted DMG" >&2
+    exit 1
+fi
+if [[ "$(readlink "${MOUNT_POINT}/Applications")" != "/Applications" ]]; then
+    echo "Verification failed: Applications does not point at /Applications" >&2
+    exit 1
+fi
+
+echo "==> codesign --verify --deep"
+codesign --verify --deep --verbose=2 "${MOUNT_POINT}/Shotdeck.app"
+
+echo "==> Detaching ${MOUNT_POINT}"
+hdiutil detach "${MOUNT_POINT}"
+MOUNTED=0
+trap - EXIT
+
+SHA256="$(shasum -a 256 "${DMG}" | awk '{print $1}')"
+
+echo
+echo "DMG path: ${DMG}"
+echo "SHA256: ${SHA256}"