mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-19 08:36:41 +01:00
117 lines
1.8 KiB
Bash
117 lines
1.8 KiB
Bash
#! @bash@/bin/sh -e
|
|
|
|
## Generic service scripts for NixOS, which provide
|
|
## * functions to write state to files (/var/run/nix-services)
|
|
## * functions to read state from file (/var/run/nix-services)
|
|
## * sanity checking functions
|
|
|
|
STATEDIR=/var/run/nix-services
|
|
RCDIR=/etc/rc.d/
|
|
NIXPKGS=@nixpkgs@
|
|
|
|
## resolve $deps to real start/stop scripts first
|
|
|
|
start_deps() {
|
|
for i in $deps; do
|
|
echo $i
|
|
name=`$i/control name`
|
|
|
|
if ! test -a "$RCDIR/$name"; then
|
|
echo $RCDIR/$name $i
|
|
@nix@/bin/nix-env -p $RCDIR/$name -i $i
|
|
fi
|
|
|
|
$i/control start
|
|
|
|
RETVAL=$?
|
|
if test $RETVAL != 0; then
|
|
exit $RETVAL
|
|
fi
|
|
done
|
|
}
|
|
|
|
start_softdeps() {
|
|
for i in $softdeps; do
|
|
echo $i
|
|
|
|
name=`$i/control name`
|
|
if ! test -a "$RCDIR/$name"; then
|
|
echo $RCDIR/$name $i
|
|
@nix@/bin/nix-env -p $RCDIR/$name -i $i
|
|
fi
|
|
|
|
$i/control start
|
|
|
|
RETVAL=$?
|
|
if test $RETVAL != 0; then
|
|
continue
|
|
fi
|
|
done
|
|
}
|
|
|
|
start() {
|
|
# are we already running?
|
|
# if so, exit with code 0
|
|
if test -a $STATEDIR/$prog; then
|
|
exit 0
|
|
fi
|
|
# if not, continue
|
|
# launch all hard dependencies
|
|
start_deps
|
|
|
|
RETVAL=$?
|
|
|
|
if test $RETVAL != 0; then
|
|
echo $prog failed
|
|
exit $RETVAL
|
|
fi
|
|
|
|
# launch all preferred dependencies
|
|
echo "softdeps" $softdeps
|
|
start_softdeps
|
|
# launch our own program
|
|
startService
|
|
# if successful, then register
|
|
|
|
RETVAL=$?
|
|
|
|
if test $RETVAL != 0; then
|
|
echo $prog failed
|
|
exit $RETVAL
|
|
fi
|
|
|
|
register
|
|
}
|
|
|
|
stop() {
|
|
echo "stopping $prog"
|
|
# are we running? If so, then stop, otherwise, do nothing...
|
|
if ! test -a $STATEDIR/$prog; then
|
|
exit 0
|
|
fi
|
|
# stop our own program
|
|
stopService
|
|
echo "unregistering"
|
|
unregister
|
|
}
|
|
|
|
register() {
|
|
touch $STATEDIR/$prog
|
|
}
|
|
|
|
unregister() {
|
|
rm $STATEDIR/$prog
|
|
}
|
|
|
|
status() {
|
|
# are we running? If so, report
|
|
if test -a $STATEDIR/$prog; then
|
|
echo "running"
|
|
else
|
|
echo "stopped"
|
|
fi
|
|
}
|
|
|
|
name() {
|
|
echo $prog
|
|
}
|