86 lines
3.3 KiB
Bash
Executable File
86 lines
3.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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# =============================================================================
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# make-dmg.sh — Build a distributable .dmg for SnapGo.app
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#
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# Design rationale:
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# - Prefer `create-dmg` (https://github.com/create-dmg/create-dmg) when available
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# because it produces a polished installer with /Applications drag target,
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# custom background and proper icon layout.
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# - Fall back to a plain `hdiutil create` UDZO image so the script always works
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# on a fresh machine even without homebrew. The fallback DMG still shows the
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# app + a symlink to /Applications so users can drag-install.
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# - Output is always written to build/bin/SnapGo-<version>-<arch>.dmg so it
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# does not collide with the .app bundle.
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# =============================================================================
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set -euo pipefail
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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ROOT_DIR="$(cd "${SCRIPT_DIR}/.." && pwd)"
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APP_PATH="${APP_PATH:-${ROOT_DIR}/build/bin/SnapGo.app}"
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OUT_DIR="${OUT_DIR:-${ROOT_DIR}/build/bin}"
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if [[ ! -d "${APP_PATH}" ]]; then
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echo "[make-dmg.sh] ERROR: ${APP_PATH} not found." >&2
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exit 1
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fi
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# -------- Version / arch derivation --------
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VERSION="${VERSION:-$(/usr/libexec/PlistBuddy -c 'Print :CFBundleShortVersionString' \
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"${APP_PATH}/Contents/Info.plist" 2>/dev/null || echo "0.1.0")}"
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ARCH="${ARCH:-$(uname -m)}" # arm64 or x86_64
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DMG_NAME="SnapGo-${VERSION}-${ARCH}.dmg"
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DMG_PATH="${OUT_DIR}/${DMG_NAME}"
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VOLNAME="SnapGo ${VERSION}"
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mkdir -p "${OUT_DIR}"
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rm -f "${DMG_PATH}"
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# -------- Path 1: create-dmg (pretty) --------
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if command -v create-dmg >/dev/null 2>&1; then
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echo "[make-dmg.sh] using create-dmg"
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# NOTE: create-dmg refuses to run when the output exists; we already removed it.
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create-dmg \
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--volname "${VOLNAME}" \
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--window-pos 200 120 \
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--window-size 600 360 \
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--icon-size 100 \
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--icon "SnapGo.app" 160 180 \
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--hide-extension "SnapGo.app" \
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--app-drop-link 440 180 \
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--no-internet-enable \
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"${DMG_PATH}" \
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"${APP_PATH}"
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else
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# -------- Path 2: hdiutil fallback (always works) --------
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echo "[make-dmg.sh] create-dmg not found, using hdiutil fallback"
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STAGING="$(mktemp -d)"
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trap 'rm -rf "${STAGING}"' EXIT
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# Copy the .app and add an /Applications symlink so users can drag-install.
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cp -R "${APP_PATH}" "${STAGING}/"
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ln -s /Applications "${STAGING}/Applications"
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hdiutil create \
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-volname "${VOLNAME}" \
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-srcfolder "${STAGING}" \
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-ov -format UDZO \
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"${DMG_PATH}"
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fi
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# -------- Sign the DMG itself if a Developer ID is available --------
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# Notarization requires the DMG be signed too.
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if [[ -n "${DEVELOPER_ID_APPLICATION:-}" ]]; then
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echo "[make-dmg.sh] signing DMG with: ${DEVELOPER_ID_APPLICATION}"
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codesign --force --sign "${DEVELOPER_ID_APPLICATION}" --timestamp "${DMG_PATH}"
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elif security find-identity -v -p codesigning 2>/dev/null \
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| grep -q "Developer ID Application"; then
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IDENT=$(security find-identity -v -p codesigning \
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| awk -F'"' '/Developer ID Application/ {print $2; exit}')
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echo "[make-dmg.sh] signing DMG with auto-detected identity: ${IDENT}"
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codesign --force --sign "${IDENT}" --timestamp "${DMG_PATH}"
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else
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echo "[make-dmg.sh] no Developer ID identity, DMG left unsigned (ad-hoc build)."
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fi
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echo "[make-dmg.sh] OK -> ${DMG_PATH}"
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