cmux/scripts/reload.sh
2026-02-14 03:13:10 -08:00

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#!/usr/bin/env bash
set -euo pipefail
APP_NAME="cmux DEV"
BUNDLE_ID="com.cmuxterm.app.debug"
BASE_APP_NAME="cmux DEV"
DERIVED_DATA=""
NAME_SET=0
BUNDLE_SET=0
DERIVED_SET=0
TAG=""
usage() {
cat <<'EOF'
Usage: ./scripts/reload.sh --tag <name> [options]
Options:
--tag <name> Required. Short tag for parallel builds (e.g., feature-xyz-lol).
Sets app name, bundle id, and derived data path unless overridden.
--name <app name> Override app display/bundle name.
--bundle-id <id> Override bundle identifier.
--derived-data <path> Override derived data path.
-h, --help Show this help.
EOF
}
sanitize_bundle() {
local raw="$1"
local cleaned
cleaned="$(echo "$raw" | tr '[:upper:]' '[:lower:]' | sed -E 's/[^a-z0-9]+/./g; s/^\\.+//; s/\\.+$//; s/\\.+/./g')"
if [[ -z "$cleaned" ]]; then
cleaned="agent"
fi
echo "$cleaned"
}
sanitize_path() {
local raw="$1"
local cleaned
cleaned="$(echo "$raw" | tr '[:upper:]' '[:lower:]' | sed -E 's/[^a-z0-9]+/-/g; s/^-+//; s/-+$//; s/-+/-/g')"
if [[ -z "$cleaned" ]]; then
cleaned="agent"
fi
echo "$cleaned"
}
while [[ $# -gt 0 ]]; do
case "$1" in
--tag)
TAG="${2:-}"
if [[ -z "$TAG" ]]; then
echo "error: --tag requires a value" >&2
exit 1
fi
shift 2
;;
--name)
APP_NAME="${2:-}"
if [[ -z "$APP_NAME" ]]; then
echo "error: --name requires a value" >&2
exit 1
fi
NAME_SET=1
shift 2
;;
--bundle-id)
BUNDLE_ID="${2:-}"
if [[ -z "$BUNDLE_ID" ]]; then
echo "error: --bundle-id requires a value" >&2
exit 1
fi
BUNDLE_SET=1
shift 2
;;
--derived-data)
DERIVED_DATA="${2:-}"
if [[ -z "$DERIVED_DATA" ]]; then
echo "error: --derived-data requires a value" >&2
exit 1
fi
DERIVED_SET=1
shift 2
;;
-h|--help)
usage
exit 0
;;
*)
echo "error: unknown option $1" >&2
usage
exit 1
;;
esac
done
if [[ -z "$TAG" ]]; then
echo "error: --tag is required (example: ./scripts/reload.sh --tag fix-sidebar-theme)" >&2
usage
exit 1
fi
if [[ -n "$TAG" ]]; then
TAG_ID="$(sanitize_bundle "$TAG")"
TAG_SLUG="$(sanitize_path "$TAG")"
if [[ "$NAME_SET" -eq 0 ]]; then
APP_NAME="cmux DEV ${TAG}"
fi
if [[ "$BUNDLE_SET" -eq 0 ]]; then
BUNDLE_ID="com.cmuxterm.app.debug.${TAG_ID}"
fi
if [[ "$DERIVED_SET" -eq 0 ]]; then
DERIVED_DATA="/tmp/cmux-${TAG_SLUG}"
fi
fi
XCODEBUILD_ARGS=(
-project GhosttyTabs.xcodeproj
-scheme cmux
-configuration Debug
-destination 'platform=macOS'
)
if [[ -n "$DERIVED_DATA" ]]; then
XCODEBUILD_ARGS+=(-derivedDataPath "$DERIVED_DATA")
fi
if [[ -z "$TAG" ]]; then
XCODEBUILD_ARGS+=(
INFOPLIST_KEY_CFBundleName="$APP_NAME"
INFOPLIST_KEY_CFBundleDisplayName="$APP_NAME"
PRODUCT_BUNDLE_IDENTIFIER="$BUNDLE_ID"
)
fi
XCODEBUILD_ARGS+=(build)
xcodebuild "${XCODEBUILD_ARGS[@]}"
sleep 0.2
FALLBACK_APP_NAME="$BASE_APP_NAME"
SEARCH_APP_NAME="$APP_NAME"
if [[ -n "$TAG" ]]; then
SEARCH_APP_NAME="$BASE_APP_NAME"
fi
if [[ -n "$DERIVED_DATA" ]]; then
APP_PATH="${DERIVED_DATA}/Build/Products/Debug/${SEARCH_APP_NAME}.app"
if [[ ! -d "${APP_PATH}" && "$SEARCH_APP_NAME" != "$FALLBACK_APP_NAME" ]]; then
APP_PATH="${DERIVED_DATA}/Build/Products/Debug/${FALLBACK_APP_NAME}.app"
fi
else
APP_BINARY="$(
find "$HOME/Library/Developer/Xcode/DerivedData" -path "*/Build/Products/Debug/${SEARCH_APP_NAME}.app/Contents/MacOS/${SEARCH_APP_NAME}" -print0 \
| xargs -0 /usr/bin/stat -f "%m %N" 2>/dev/null \
| sort -nr \
| head -n 1 \
| cut -d' ' -f2-
)"
if [[ -n "${APP_BINARY}" ]]; then
APP_PATH="$(dirname "$(dirname "$(dirname "$APP_BINARY")")")"
fi
if [[ -z "${APP_PATH}" && "$SEARCH_APP_NAME" != "$FALLBACK_APP_NAME" ]]; then
APP_BINARY="$(
find "$HOME/Library/Developer/Xcode/DerivedData" -path "*/Build/Products/Debug/${FALLBACK_APP_NAME}.app/Contents/MacOS/${FALLBACK_APP_NAME}" -print0 \
| xargs -0 /usr/bin/stat -f "%m %N" 2>/dev/null \
| sort -nr \
| head -n 1 \
| cut -d' ' -f2-
)"
if [[ -n "${APP_BINARY}" ]]; then
APP_PATH="$(dirname "$(dirname "$(dirname "$APP_BINARY")")")"
fi
fi
fi
if [[ -z "${APP_PATH}" || ! -d "${APP_PATH}" ]]; then
echo "${APP_NAME}.app not found in DerivedData" >&2
exit 1
fi
if [[ -n "$TAG" && "$APP_NAME" != "$SEARCH_APP_NAME" ]]; then
TAG_APP_PATH="$(dirname "$APP_PATH")/${APP_NAME}.app"
rm -rf "$TAG_APP_PATH"
cp -R "$APP_PATH" "$TAG_APP_PATH"
INFO_PLIST="$TAG_APP_PATH/Contents/Info.plist"
if [[ -f "$INFO_PLIST" ]]; then
/usr/libexec/PlistBuddy -c "Set :CFBundleName $APP_NAME" "$INFO_PLIST" 2>/dev/null \
|| /usr/libexec/PlistBuddy -c "Add :CFBundleName string $APP_NAME" "$INFO_PLIST"
/usr/libexec/PlistBuddy -c "Set :CFBundleDisplayName $APP_NAME" "$INFO_PLIST" 2>/dev/null \
|| /usr/libexec/PlistBuddy -c "Add :CFBundleDisplayName string $APP_NAME" "$INFO_PLIST"
/usr/libexec/PlistBuddy -c "Set :CFBundleIdentifier $BUNDLE_ID" "$INFO_PLIST" 2>/dev/null \
|| /usr/libexec/PlistBuddy -c "Add :CFBundleIdentifier string $BUNDLE_ID" "$INFO_PLIST"
if [[ -n "${TAG_SLUG:-}" ]]; then
APP_SUPPORT_DIR="$HOME/Library/Application Support/cmux"
CMUXD_SOCKET="${APP_SUPPORT_DIR}/cmuxd-dev-${TAG_SLUG}.sock"
CMUX_SOCKET="/tmp/cmux-debug-${TAG_SLUG}.sock"
echo "$CMUX_SOCKET" > /tmp/cmux-last-socket-path || true
/usr/libexec/PlistBuddy -c "Add :LSEnvironment dict" "$INFO_PLIST" 2>/dev/null || true
/usr/libexec/PlistBuddy -c "Set :LSEnvironment:CMUXD_UNIX_PATH \"${CMUXD_SOCKET}\"" "$INFO_PLIST" 2>/dev/null \
|| /usr/libexec/PlistBuddy -c "Add :LSEnvironment:CMUXD_UNIX_PATH string \"${CMUXD_SOCKET}\"" "$INFO_PLIST"
/usr/libexec/PlistBuddy -c "Set :LSEnvironment:CMUX_SOCKET_PATH \"${CMUX_SOCKET}\"" "$INFO_PLIST" 2>/dev/null \
|| /usr/libexec/PlistBuddy -c "Add :LSEnvironment:CMUX_SOCKET_PATH string \"${CMUX_SOCKET}\"" "$INFO_PLIST"
if [[ -S "$CMUXD_SOCKET" ]]; then
for PID in $(lsof -t "$CMUXD_SOCKET" 2>/dev/null); do
kill "$PID" 2>/dev/null || true
done
rm -f "$CMUXD_SOCKET"
fi
if [[ -S "$CMUX_SOCKET" ]]; then
rm -f "$CMUX_SOCKET"
fi
fi
/usr/bin/codesign --force --sign - --timestamp=none --generate-entitlement-der "$TAG_APP_PATH" >/dev/null 2>&1 || true
fi
APP_PATH="$TAG_APP_PATH"
fi
# Ensure any running instance is fully terminated, regardless of DerivedData path.
/usr/bin/osascript -e "tell application id \"${BUNDLE_ID}\" to quit" >/dev/null 2>&1 || true
sleep 0.3
if [[ -z "$TAG" ]]; then
# Non-tag mode: kill any running instance (across any DerivedData path) to avoid socket conflicts.
pkill -f "/${BASE_APP_NAME}.app/Contents/MacOS/${BASE_APP_NAME}" || true
else
# Tag mode: only kill the tagged instance; allow side-by-side with the main app.
pkill -f "${APP_NAME}.app/Contents/MacOS/${BASE_APP_NAME}" || true
fi
sleep 0.3
CMUXD_SRC="$PWD/cmuxd/zig-out/bin/cmuxd"
if [[ -d "$PWD/cmuxd" ]]; then
(cd "$PWD/cmuxd" && zig build -Doptimize=ReleaseFast)
fi
if [[ -x "$CMUXD_SRC" ]]; then
BIN_DIR="$APP_PATH/Contents/Resources/bin"
mkdir -p "$BIN_DIR"
cp "$CMUXD_SRC" "$BIN_DIR/cmuxd"
chmod +x "$BIN_DIR/cmuxd"
fi
# Avoid inheriting cmux/ghostty environment variables from the terminal that
# runs this script (often inside another cmux instance), which can cause
# socket and resource-path conflicts.
OPEN_CLEAN_ENV=(
env
-u CMUX_SOCKET_PATH
-u CMUX_TAB_ID
-u CMUX_PANEL_ID
-u CMUXD_UNIX_PATH
-u CMUX_TAG
-u CMUX_BUNDLE_ID
-u CMUX_SHELL_INTEGRATION
-u GHOSTTY_BIN_DIR
-u GHOSTTY_RESOURCES_DIR
-u GHOSTTY_SHELL_FEATURES
# Dev shells (including CI/Codex) often force-disable paging by exporting these.
# Don't leak that into cmux, otherwise `git diff` won't page even with PAGER=less.
-u GIT_PAGER
-u GH_PAGER
-u TERMINFO
-u XDG_DATA_DIRS
)
if [[ -n "${TAG_SLUG:-}" && -n "${CMUX_SOCKET:-}" ]]; then
# Ensure tag-specific socket paths win even if the caller has CMUX_* overrides.
"${OPEN_CLEAN_ENV[@]}" CMUX_SOCKET_PATH="$CMUX_SOCKET" CMUXD_UNIX_PATH="$CMUXD_SOCKET" open "$APP_PATH"
else
"${OPEN_CLEAN_ENV[@]}" open "$APP_PATH"
fi
osascript -e "tell application id \"${BUNDLE_ID}\" to activate" || true
# Safety: ensure only one instance is running.
sleep 0.2
PIDS=($(pgrep -f "${APP_PATH}/Contents/MacOS/" || true))
if [[ "${#PIDS[@]}" -gt 1 ]]; then
NEWEST_PID=""
NEWEST_AGE=999999
for PID in "${PIDS[@]}"; do
AGE="$(ps -o etimes= -p "$PID" | tr -d ' ')"
if [[ -n "$AGE" && "$AGE" -lt "$NEWEST_AGE" ]]; then
NEWEST_AGE="$AGE"
NEWEST_PID="$PID"
fi
done
for PID in "${PIDS[@]}"; do
if [[ "$PID" != "$NEWEST_PID" ]]; then
kill "$PID" 2>/dev/null || true
fi
done
fi