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|
#!/bin/sh
echo "Started $0 $*"
ROOT=
# parse command line params
action=
while [ $# != 0 ]; do
opt="$1"
case "$opt" in
enable)
shift
action="$opt"
services="$1"
cmd_args="1"
shift
;;
disable)
shift
action="$opt"
services="$1"
cmd_args="1"
shift
;;
mask)
shift
action="$opt"
services="$1"
cmd_args="1"
shift
;;
--root=*)
ROOT=${opt##--root=}
cmd_args="0"
shift
;;
*)
if [ "$cmd_args" = "1" ]; then
services="$services $opt"
shift
else
echo "'$opt' is an unkown option; exiting with error"
exit 1
fi
;;
esac
done
for service in $services; do
if [ "$action" = "mask" ]; then
if [ ! -d $ROOT/etc/systemd/system/ ]; then
mkdir -p $ROOT/etc/systemd/system/
fi
cmd="ln -s /dev/null $ROOT/etc/systemd/system/$service"
echo "$cmd"
$cmd
exit 0
fi
echo "Try to find location of $service..."
# find service file
for p in $ROOT/etc/systemd/system \
$ROOT/lib/systemd/system \
$ROOT/usr/lib/systemd/system; do
if [ -e $p/$service ]; then
service_file=$p/$service
service_file=${service_file##$ROOT}
fi
done
if [ -z "$service_file" ]; then
echo "'$service' couldn't be found; exiting with error"
exit 1
fi
echo "Found $service in $service_file"
# create the required symbolic links
wanted_by=$(grep WantedBy $ROOT/$service_file \
| sed 's,WantedBy=,,g' \
| tr ',' '\n' \
| grep '\(\.target$\)\|\(\.service$\)')
for r in $wanted_by; do
echo "WantedBy=$r found in $service"
if [ "$action" = "enable" ]; then
mkdir -p $ROOT/etc/systemd/system/$r.wants
ln -s $service_file $ROOT/etc/systemd/system/$r.wants
echo "Enabled $service for $wanted_by."
else
rm -f $ROOT/etc/systemd/system/$r.wants/$service
rmdir --ignore-fail-on-non-empty -p $ROOT/etc/systemd/system/$r.wants
echo "Disabled $service for $wanted_by."
fi
done
# create the required symbolic 'Alias' links
alias=$(grep Alias $ROOT/$service_file \
| sed 's,Alias=,,g' \
| tr ',' '\n' \
| grep '\.service$')
for r in $alias; do
if [ "$action" = "enable" ]; then
mkdir -p $ROOT/etc/systemd/system
ln -s $service_file $ROOT/etc/systemd/system/$r
echo "Enabled $service for $alias."
else
rm -f $ROOT/etc/systemd/system/$r
echo "Disabled $service for $alias."
fi
done
# call us for the other required scripts
also=$(grep Also $ROOT/$service_file \
| sed 's,Also=,,g' \
| tr ',' '\n')
for a in $also; do
echo "Also=$a found in $service"
if [ "$action" = "enable" ]; then
$0 --root=$ROOT enable $a
fi
done
done
|
