mirror of
https://github.com/iflytek/skillhub.git
synced 2026-08-28 11:25:00 +00:00
160 lines
2.9 KiB
Bash
Executable file
160 lines
2.9 KiB
Bash
Executable file
#!/usr/bin/env bash
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set -euo pipefail
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usage() {
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echo "Usage:" >&2
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echo " $0 status --pid-file <file>" >&2
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echo " $0 stop --pid-file <file>" >&2
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echo " $0 start --pid-file <file> --log-file <file> --cwd <dir> -- <command...>" >&2
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exit 2
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}
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require_value() {
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local flag="$1"
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local value="${2:-}"
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if [[ -z "$value" ]]; then
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echo "Missing value for $flag" >&2
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usage
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fi
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}
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resolve_path() {
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local path="$1"
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if [[ "$path" = /* ]]; then
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printf '%s\n' "$path"
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else
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printf '%s/%s\n' "$(pwd)" "$path"
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fi
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}
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is_running() {
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local pid_file="$1"
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[[ -f "$pid_file" ]] || return 1
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local pid
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pid="$(cat "$pid_file" 2>/dev/null || true)"
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[[ "$pid" =~ ^[0-9]+$ ]] || return 1
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(( pid > 1 )) || {
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rm -f "$pid_file"
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return 1
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}
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if kill -0 "$pid" 2>/dev/null; then
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return 0
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fi
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rm -f "$pid_file"
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return 1
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}
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wait_for_exit() {
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local pid="$1"
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for _ in $(seq 1 50); do
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if ! kill -0 "$pid" 2>/dev/null; then
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return 0
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fi
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sleep 0.1
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done
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return 1
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}
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cmd="${1:-}"
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[[ -n "$cmd" ]] || usage
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shift || true
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pid_file=""
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log_file=""
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cwd=""
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case "$cmd" in
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status|stop)
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while [[ $# -gt 0 ]]; do
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case "$1" in
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--pid-file)
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require_value "$1" "${2:-}"
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pid_file="$2"
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shift 2
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;;
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*)
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usage
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;;
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esac
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done
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[[ -n "$pid_file" ]] || usage
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;;
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start)
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while [[ $# -gt 0 ]]; do
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case "$1" in
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--pid-file)
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require_value "$1" "${2:-}"
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pid_file="$2"
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shift 2
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;;
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--log-file)
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require_value "$1" "${2:-}"
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log_file="$2"
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shift 2
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;;
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--cwd)
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require_value "$1" "${2:-}"
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cwd="$2"
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shift 2
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;;
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--)
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shift
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break
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;;
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*)
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usage
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;;
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esac
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done
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[[ -n "$pid_file" && -n "$log_file" && -n "$cwd" && $# -gt 0 ]] || usage
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;;
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*)
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usage
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;;
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esac
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case "$cmd" in
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status)
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is_running "$pid_file"
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;;
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stop)
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if ! is_running "$pid_file"; then
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rm -f "$pid_file"
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exit 0
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fi
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pid="$(cat "$pid_file")"
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kill "$pid" 2>/dev/null || true
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if ! wait_for_exit "$pid"; then
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kill -9 "$pid" 2>/dev/null || true
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wait_for_exit "$pid" || true
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fi
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rm -f "$pid_file"
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;;
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start)
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pid_file="$(resolve_path "$pid_file")"
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log_file="$(resolve_path "$log_file")"
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cwd="$(resolve_path "$cwd")"
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mkdir -p "$(dirname "$pid_file")" "$(dirname "$log_file")"
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if is_running "$pid_file"; then
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echo "Process already running with PID $(cat "$pid_file")" >&2
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exit 1
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fi
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(
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cd "$cwd"
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if command -v setsid >/dev/null 2>&1; then
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setsid "$@" >>"$log_file" 2>&1 < /dev/null &
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else
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nohup "$@" >>"$log_file" 2>&1 < /dev/null &
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fi
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child_pid=$!
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disown "$child_pid" 2>/dev/null || true
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echo "$child_pid" >"$pid_file"
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)
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;;
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esac
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