126 lines
3.1 KiB
Bash
Executable File
126 lines
3.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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SERVICE_NAME="luxtools-client"
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INSTALL_DIR="${HOME}/.local/share/${SERVICE_NAME}"
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BIN_PATH="${INSTALL_DIR}/${SERVICE_NAME}"
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CONFIG_DIR="${HOME}/.config/${SERVICE_NAME}"
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ENV_FILE="${CONFIG_DIR}/${SERVICE_NAME}.env"
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UNIT_DIR="${HOME}/.config/systemd/user"
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UNIT_FILE="${UNIT_DIR}/${SERVICE_NAME}.service"
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DEFAULT_LISTEN="127.0.0.1:8765"
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usage() {
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cat <<EOF
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Usage: $0 [--listen host:port] [--allow <path>]...
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Installs/updates ${SERVICE_NAME} as a systemd *user* service (runs under your current user).
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- Re-running updates the installed binary and restarts the service.
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- Config is stored in ${ENV_FILE} (created on first install).
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Options:
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--listen host:port Listen address (default: ${DEFAULT_LISTEN})
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--allow PATH Allowed path prefix (repeatable). If none, any path is allowed.
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EOF
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}
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if [[ "${1:-}" == "-h" || "${1:-}" == "--help" ]]; then
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usage
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exit 0
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fi
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SCRIPT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"
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SRC_BIN="${SCRIPT_DIR}/${SERVICE_NAME}"
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if [[ ! -f "$SRC_BIN" ]]; then
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echo "Missing binary next to script: ${SRC_BIN}" >&2
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echo "Build it first (e.g. 'go build -o ${SERVICE_NAME} .') and re-run." >&2
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exit 1
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fi
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LISTEN="${DEFAULT_LISTEN}"
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ALLOW_ARGS=""
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while [[ $# -gt 0 ]]; do
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case "$1" in
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--listen)
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LISTEN="${2:-}"
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shift 2
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;;
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--allow)
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p="${2:-}"
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if [[ -n "$p" ]]; then
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# Note: this is inserted into a shell command in the systemd unit; we escape quotes.
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p_escaped=${p//\"/\\\"}
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ALLOW_ARGS+=" -allow \"${p_escaped}\""
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fi
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shift 2
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;;
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*)
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echo "Unknown arg: $1" >&2
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usage
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exit 2
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;;
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esac
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done
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mkdir -p "$INSTALL_DIR" "$CONFIG_DIR" "$UNIT_DIR"
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# Copy a fresh binary into a temp location, then atomically replace.
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TMP_BIN="$(mktemp -p /tmp ${SERVICE_NAME}.XXXXXX)"
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trap 'rm -f "$TMP_BIN"' EXIT
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cp "$SRC_BIN" "$TMP_BIN"
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chmod 0755 "$TMP_BIN" || true
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if [[ -f "$ENV_FILE" ]]; then
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# Preserve existing config.
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# shellcheck disable=SC1090
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source "$ENV_FILE" || true
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fi
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cat >"$ENV_FILE" <<EOF
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# ${SERVICE_NAME} environment
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LISTEN="${LISTEN}"
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ALLOW_ARGS="${ALLOW_ARGS}"
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EOF
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chmod 0640 "$ENV_FILE"
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# Best-effort tighten config perms.
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chmod 0600 "$ENV_FILE" || true
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install -m 0755 -D "$TMP_BIN" "$BIN_PATH"
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cat >"$UNIT_FILE" <<'EOF'
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[Unit]
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Description=luxtools-client (local folder opener helper)
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[Service]
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Type=simple
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EnvironmentFile=%h/.config/luxtools-client/luxtools-client.env
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ExecStart=/bin/sh -lc '%h/.local/share/luxtools-client/luxtools-client -listen "$LISTEN" $ALLOW_ARGS'
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Restart=on-failure
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RestartSec=1
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NoNewPrivileges=true
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PrivateTmp=true
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[Install]
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WantedBy=default.target
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EOF
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systemctl --user daemon-reload
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systemctl --user enable "$SERVICE_NAME" >/dev/null
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systemctl --user restart "$SERVICE_NAME"
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echo
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echo "Installed/updated ${SERVICE_NAME}."
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echo "- Binary: ${BIN_PATH}"
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echo "- Unit: ${UNIT_FILE}"
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echo "- Config: ${ENV_FILE}"
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echo
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echo "View logs with: journalctl --user -u ${SERVICE_NAME} -f"
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echo "If you want it to start at boot without logging in, enable lingering:"
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echo " loginctl enable-linger $(whoami)"
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