d3cd4a9015
On NVIDIA GPUs, this allows the launcher to come up at all. If it is not provided, Sway will exit immediately after printing a warning to the journal. This can be very hard to debug if you don't know what you're looking for. On other GPUs, including those that play nice with Linux like Intel and AMD, the option is completely harmless.
152 lines
3.9 KiB
Bash
Executable file
152 lines
3.9 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Sway compositor helpers for shepherd-launcher
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# Handles nested sway execution for development and production
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# Get the directory containing this script
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SWAY_LIB_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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# Source common utilities
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# shellcheck source=common.sh
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source "$SWAY_LIB_DIR/common.sh"
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# Source build utilities for binary paths
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# shellcheck source=build.sh
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source "$SWAY_LIB_DIR/build.sh"
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# PID of the running sway process (for cleanup)
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SWAY_PID=""
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# Default directories
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DEFAULT_DEV_RUNTIME="./dev-runtime"
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DEFAULT_DATA_DIR="$DEFAULT_DEV_RUNTIME/data"
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DEFAULT_SOCKET_PATH="$DEFAULT_DEV_RUNTIME/shepherd.sock"
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# Cleanup function for sway processes
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sway_cleanup() {
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info "Cleaning up sway session..."
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# Kill the nested sway - this will clean up everything inside it
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if [[ -n "${SWAY_PID:-}" ]]; then
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kill "$SWAY_PID" 2>/dev/null || true
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fi
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# Explicitly kill any shepherd processes that might have escaped
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pkill -x "shepherdd" 2>/dev/null || true
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pkill -x "shepherd-launcher" 2>/dev/null || true
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pkill -x "shepherd-hud" 2>/dev/null || true
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# Remove socket
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if [[ -n "${SHEPHERD_SOCKET:-}" ]]; then
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rm -f "$SHEPHERD_SOCKET"
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fi
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}
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# Kill any existing dev instances
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sway_kill_existing() {
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info "Cleaning up any existing dev instances..."
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kill_matching "sway -c.*sway.conf"
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pkill -x "shepherdd" 2>/dev/null || true
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pkill -x "shepherd-launcher" 2>/dev/null || true
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pkill -x "shepherd-hud" 2>/dev/null || true
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# Remove stale socket if it exists
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if [[ -n "${SHEPHERD_SOCKET:-}" ]] && [[ -e "$SHEPHERD_SOCKET" ]]; then
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rm -f "$SHEPHERD_SOCKET"
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fi
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# Brief pause to allow cleanup
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sleep 0.5
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}
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# Set up environment for shepherd binaries
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sway_setup_env() {
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local data_dir="${1:-$DEFAULT_DATA_DIR}"
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local socket_path="${2:-$DEFAULT_SOCKET_PATH}"
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# Create directories
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mkdir -p "$data_dir"
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# Export environment variables
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export SHEPHERD_SOCKET="$socket_path"
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export SHEPHERD_DATA_DIR="$data_dir"
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}
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# Generate a sway config for development
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# Uses debug binaries and development paths
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sway_generate_dev_config() {
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local repo_root
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repo_root="$(get_repo_root)"
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# Use the existing sway.conf as template
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local sway_config="$repo_root/sway.conf"
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if [[ ! -f "$sway_config" ]]; then
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die "sway.conf not found at $sway_config"
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fi
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# Return path to the sway config (we use the existing one for dev)
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echo "$sway_config"
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}
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# Start a nested sway session for development
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sway_start_nested() {
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local sway_config="$1"
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require_command sway
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info "Starting nested sway session..."
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# Set up cleanup trap
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trap sway_cleanup EXIT
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# Start sway with wayland backend (nested in current session)
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WLR_BACKENDS=wayland WLR_LIBINPUT_NO_DEVICES=1 sway -c "$sway_config" --unsupported-gpu &
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SWAY_PID=$!
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info "Sway started with PID $SWAY_PID"
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# Wait for sway to exit
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wait "$SWAY_PID"
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}
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# Run a development session (build + nested sway)
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sway_dev_run() {
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local repo_root
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repo_root="$(get_repo_root)"
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verify_repo
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cd "$repo_root" || die "Failed to change directory to $repo_root"
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# Set up environment
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sway_setup_env "$DEFAULT_DATA_DIR" "$DEFAULT_SOCKET_PATH"
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# Kill any existing instances
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sway_kill_existing
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# Build debug binaries
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info "Building shepherd binaries..."
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build_cargo false
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# Get sway config
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local sway_config
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sway_config="$(sway_generate_dev_config)"
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# Start nested sway (blocking)
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sway_start_nested "$sway_config"
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}
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# Main sway command dispatcher (internal use)
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sway_main() {
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local subcmd="${1:-}"
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shift || true
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case "$subcmd" in
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run)
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sway_dev_run "$@"
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;;
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*)
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# Default to run for backwards compatibility
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sway_dev_run "$@"
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;;
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esac
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}
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