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clawdbot/scripts/create-dmg.sh
2026-01-04 14:38:51 +00:00

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#!/usr/bin/env bash
set -euo pipefail
# Create a styled DMG containing the app bundle + /Applications symlink.
#
# Usage:
# scripts/create-dmg.sh <app_path> [output_dmg]
#
# Env:
# DMG_VOLUME_NAME default: CFBundleName (or "Clawdbot")
# DMG_BACKGROUND_PATH default: assets/dmg-background.png
# DMG_BACKGROUND_SMALL default: assets/dmg-background-small.png (recommended)
# DMG_WINDOW_BOUNDS default: "400 100 900 420" (500x320)
# DMG_ICON_SIZE default: 128
# DMG_APP_POS default: "125 160"
# DMG_APPS_POS default: "375 160"
# SKIP_DMG_STYLE=1 skip Finder styling
# DMG_EXTRA_SECTORS extra sectors to keep when shrinking RW image (default: 2048)
APP_PATH="${1:-}"
OUT_PATH="${2:-}"
if [[ -z "$APP_PATH" ]]; then
echo "Usage: $0 <app_path> [output_dmg]" >&2
exit 1
fi
if [[ ! -d "$APP_PATH" ]]; then
echo "Error: App not found: $APP_PATH" >&2
exit 1
fi
ROOT_DIR="$(cd "$(dirname "$0")/.." && pwd)"
BUILD_DIR="$ROOT_DIR/dist"
mkdir -p "$BUILD_DIR"
APP_NAME=$(/usr/libexec/PlistBuddy -c "Print CFBundleName" "$APP_PATH/Contents/Info.plist" 2>/dev/null || echo "Clawdbot")
VERSION=$(/usr/libexec/PlistBuddy -c "Print CFBundleShortVersionString" "$APP_PATH/Contents/Info.plist" 2>/dev/null || echo "0.0.0")
DMG_NAME="${APP_NAME}-${VERSION}.dmg"
DMG_VOLUME_NAME="${DMG_VOLUME_NAME:-$APP_NAME}"
DMG_BACKGROUND_SMALL="${DMG_BACKGROUND_SMALL:-$ROOT_DIR/assets/dmg-background-small.png}"
DMG_BACKGROUND_PATH="${DMG_BACKGROUND_PATH:-$ROOT_DIR/assets/dmg-background.png}"
DMG_WINDOW_BOUNDS="${DMG_WINDOW_BOUNDS:-400 100 900 420}"
DMG_ICON_SIZE="${DMG_ICON_SIZE:-128}"
DMG_APP_POS="${DMG_APP_POS:-125 160}"
DMG_APPS_POS="${DMG_APPS_POS:-375 160}"
DMG_EXTRA_SECTORS="${DMG_EXTRA_SECTORS:-2048}"
to_applescript_list4() {
local raw="$1"
echo "$raw" | awk '{ printf "%s, %s, %s, %s", $1, $2, $3, $4 }'
}
to_applescript_pair() {
local raw="$1"
echo "$raw" | awk '{ printf "%s, %s", $1, $2 }'
}
if [[ -z "$OUT_PATH" ]]; then
OUT_PATH="$BUILD_DIR/$DMG_NAME"
fi
echo "Creating DMG: $OUT_PATH"
# Cleanup stuck volumes.
for vol in "/Volumes/$DMG_VOLUME_NAME"* "/Volumes/$APP_NAME"*; do
if [[ -d "$vol" ]]; then
hdiutil detach "$vol" -force 2>/dev/null || true
sleep 1
fi
done
DMG_TEMP="$(mktemp -d /tmp/clawdbot-dmg.XXXXXX)"
trap 'hdiutil detach "/Volumes/'"$DMG_VOLUME_NAME"'" -force 2>/dev/null || true; rm -rf "$DMG_TEMP" 2>/dev/null || true' EXIT
cp -R "$APP_PATH" "$DMG_TEMP/"
ln -s /Applications "$DMG_TEMP/Applications"
APP_SIZE_MB=$(du -sm "$APP_PATH" | awk '{print $1}')
DMG_SIZE_MB=$((APP_SIZE_MB + 80))
DMG_RW_PATH="${OUT_PATH%.dmg}-rw.dmg"
rm -f "$DMG_RW_PATH" "$OUT_PATH"
hdiutil create \
-volname "$DMG_VOLUME_NAME" \
-srcfolder "$DMG_TEMP" \
-ov \
-format UDRW \
-size "${DMG_SIZE_MB}m" \
"$DMG_RW_PATH"
MOUNT_POINT="/Volumes/$DMG_VOLUME_NAME"
if [[ -d "$MOUNT_POINT" ]]; then
hdiutil detach "$MOUNT_POINT" -force 2>/dev/null || true
sleep 2
fi
hdiutil attach "$DMG_RW_PATH" -mountpoint "$MOUNT_POINT" -nobrowse
if [[ "${SKIP_DMG_STYLE:-0}" != "1" ]]; then
mkdir -p "$MOUNT_POINT/.background"
if [[ -f "$DMG_BACKGROUND_SMALL" ]]; then
cp "$DMG_BACKGROUND_SMALL" "$MOUNT_POINT/.background/background.png"
elif [[ -f "$DMG_BACKGROUND_PATH" ]]; then
cp "$DMG_BACKGROUND_PATH" "$MOUNT_POINT/.background/background.png"
else
echo "WARN: DMG background missing: $DMG_BACKGROUND_SMALL / $DMG_BACKGROUND_PATH" >&2
fi
# Volume icon: reuse the app icon if available.
ICON_SRC="$ROOT_DIR/apps/macos/Sources/Clawdbot/Resources/Clawdbot.icns"
if [[ -f "$ICON_SRC" ]]; then
cp "$ICON_SRC" "$MOUNT_POINT/.VolumeIcon.icns"
if command -v SetFile >/dev/null 2>&1; then
SetFile -a C "$MOUNT_POINT" 2>/dev/null || true
fi
fi
osascript <<EOF
tell application "Finder"
tell disk "$DMG_VOLUME_NAME"
open
set current view of container window to icon view
set toolbar visible of container window to false
set statusbar visible of container window to false
set the bounds of container window to {$(to_applescript_list4 "$DMG_WINDOW_BOUNDS")}
set viewOptions to the icon view options of container window
set arrangement of viewOptions to not arranged
set icon size of viewOptions to ${DMG_ICON_SIZE}
if exists file ".background:background.png" then
set background picture of viewOptions to file ".background:background.png"
end if
set text size of viewOptions to 12
set label position of viewOptions to bottom
set shows item info of viewOptions to false
set shows icon preview of viewOptions to true
set position of item "${APP_NAME}.app" of container window to {$(to_applescript_pair "$DMG_APP_POS")}
set position of item "Applications" of container window to {$(to_applescript_pair "$DMG_APPS_POS")}
update without registering applications
delay 2
close
open
delay 1
end tell
end tell
EOF
sleep 2
osascript -e 'tell application "Finder" to close every window' || true
fi
for i in {1..5}; do
if hdiutil detach "$MOUNT_POINT" -quiet 2>/dev/null; then
break
fi
if [[ "$i" == "3" ]]; then
hdiutil detach "$MOUNT_POINT" -force 2>/dev/null || true
fi
sleep 2
done
hdiutil resize -limits "$DMG_RW_PATH" >/tmp/clawdbot-dmg-limits.txt 2>/dev/null || true
MIN_SECTORS="$(tail -n 1 /tmp/clawdbot-dmg-limits.txt 2>/dev/null | awk '{print $1}')"
rm -f /tmp/clawdbot-dmg-limits.txt
if [[ "$MIN_SECTORS" =~ ^[0-9]+$ ]] && [[ "$DMG_EXTRA_SECTORS" =~ ^[0-9]+$ ]]; then
TARGET_SECTORS=$((MIN_SECTORS + DMG_EXTRA_SECTORS))
echo "Shrinking RW image: min sectors=$MIN_SECTORS (+$DMG_EXTRA_SECTORS) -> $TARGET_SECTORS"
hdiutil resize -sectors "$TARGET_SECTORS" "$DMG_RW_PATH" >/dev/null 2>&1 || true
fi
hdiutil convert "$DMG_RW_PATH" -format ULMO -o "$OUT_PATH" -ov
rm -f "$DMG_RW_PATH"
hdiutil verify "$OUT_PATH" >/dev/null
echo "✅ DMG ready: $OUT_PATH"