48 lines
1.1 KiB
Bash
Executable File
48 lines
1.1 KiB
Bash
Executable File
#!/bin/bash
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# omarchy:summary=Run a command while holding the Omarchy update lock
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# omarchy:args=<held|run> [command] [args...]
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# omarchy:hidden=true
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set -e
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lock_dir="${XDG_RUNTIME_DIR:-/tmp}"
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lock_path="$lock_dir/omarchy-update.lock"
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lock_is_held() {
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local lock_fd_path=""
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[[ -n ${OMARCHY_UPDATE_LOCK_FD:-} && -e /proc/$$/fd/$OMARCHY_UPDATE_LOCK_FD ]] || return 1
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lock_fd_path=$(readlink -f "/proc/$$/fd/$OMARCHY_UPDATE_LOCK_FD" 2>/dev/null || true)
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[[ $lock_fd_path == "$(readlink -m "$lock_path")" ]] &&
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flock -n "$OMARCHY_UPDATE_LOCK_FD"
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}
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case "${1:-}" in
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held)
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lock_is_held
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;;
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run)
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shift
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if (( $# == 0 )); then
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echo "Usage: omarchy-update-lock run <command> [args...]" >&2
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exit 2
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fi
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mkdir -p "$lock_dir" 2>/dev/null || true
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exec {OMARCHY_UPDATE_LOCK_FD}>"$lock_path"
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if ! flock -n "$OMARCHY_UPDATE_LOCK_FD"; then
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echo "An Omarchy update is already running."
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exit 1
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fi
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export OMARCHY_UPDATE_LOCK_FD
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exec "$@"
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;;
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*)
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echo "Usage: omarchy-update-lock <held|run> [command] [args...]" >&2
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exit 2
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;;
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esac
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