set -euo pipefail

export XDG_RUNTIME_DIR=$(mktemp -d)

export XDG_CACHE_HOME="$XDG_RUNTIME_DIR/cache"

mkdir "$XDG_CACHE_HOME"

export FONTCONFIG_FILE=${pkgs.makeFontsConffontDirectories = pkgs.dejavu_fonts;}

export GDK_BACKEND=broadway BROADWAY_DISPLAY=:5 NO_AT_BRIDGE=1

${gtk.out}/bin/broadwayd :5 > broadway.log 2>&1 &

server_pid=$!

trap 'kill "$server_pid" 2>/dev/null || true' EXIT

printf '#include <gtk/gtk.h>\nint main(void) { return !gtk_init_check(0, 0); }\n' |

$CC -x c - $($PKG_CONFIG --cflags --libs gtk+-3.0) -o check-display

ready=false

for attempt in $(seq 1 100); do

if ./check-display; then ready=true; break; fi

kill -0 "$server_pid" || { cat broadway.log; exit 1; }

sleep 0.05

done

$ready || { cat broadway.log; exit 1; }

"$@"