diff options
Diffstat (limited to 'system/nix/rc.nix')
-rw-r--r-- | system/nix/rc.nix | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/system/nix/rc.nix b/system/nix/rc.nix new file mode 100644 index 0000000000000..86f54a25eac1e --- /dev/null +++ b/system/nix/rc.nix @@ -0,0 +1,75 @@ +#!/bin/sh + +PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin + +BASE=nix-daemon + +UNSHARE=/usr/bin/unshare +NIX=/usr/bin/$BASE +NIX_PIDFILE=/var/run/$BASE.pid +NIX_LOG=/var/log/nix.log +NIX_OPTS= + +if [ -f /etc/default/$BASE ]; then + . /etc/default/$BASE +fi + +# Check nix is present +if [ ! -x $NIX ]; then + echo "$NIX not present or not executable" + exit 1 +fi + +nix_start() { + echo "starting $BASE ..." + if [ -x ${NIX} ]; then + # If there is an old PID file (no nix-daemon running), clean it up: + if [ -r ${NIX_PIDFILE} ]; then + if ! ps axc | grep nix-daemon 1> /dev/null 2> /dev/null ; then + echo "Cleaning up old ${NIX_PIDFILE}." + rm -f ${NIX_PIDFILE} + fi + fi + nohup "${UNSHARE}" -m -- ${NIX} >> ${NIX_LOG} 2>&1 & + echo $! > ${NIX_PIDFILE} + fi +} + +# Stop nix: +nix_stop() { + echo "stopping $BASE ..." + # If there is no PID file, ignore this request... + if [ -r ${NIX_PIDFILE} ]; then + kill $(cat ${NIX_PIDFILE}) + fi + rm -f ${NIX_PIDFILE} +} + +# Restart nix: +nix_restart() { + nix_stop + nix_start +} + +case "$1" in +'start') + nix_start + ;; +'stop') + nix_stop + ;; +'restart') + nix_restart + ;; +'status') + if [ -f ${NIX_PIDFILE} ] && ps -o cmd $(cat ${NIX_PIDFILE}) | grep -q $BASE ; then + echo "status of $BASE: running" + else + echo "status of $BASE: stopped" + fi + ;; +*) + echo "usage $0 start|stop|restart|status" +esac + +exit 0 |