openrc/sh/rc-functions.sh

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# Copyright (c) 2007 Gentoo Foundation
# Copyright (c) 2007-2009 Roy Marples <roy@marples.name>
# Released under the 2-clause BSD license.
net_fs_list="
afs ceph cifs coda davfs fuse fuse.glusterfs fuse.sshfs gfs glusterfs lustre
ncpfs nfs nfs4 ocfs2 shfs smbfs
"
is_net_fs()
{
[ -z "$1" ] && return 1
# Check OS specific flags to see if we're local or net mounted
mountinfo --quiet --netdev "$1" && return 0
mountinfo --quiet --nonetdev "$1" && return 1
# Fall back on fs types
local t=$(mountinfo --fstype "$1")
for x in $net_fs_list $extra_net_fs_list; do
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[ "$x" = "$t" ] && return 0
done
return 1
}
is_union_fs()
{
[ ! -x /sbin/unionctl ] && return 1
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unionctl "$1" --list >/dev/null 2>&1
}
get_bootparam()
{
local match="$1"
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[ -z "$match" -o ! -r /proc/cmdline ] && return 1
set -- $(cat /proc/cmdline)
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while [ -n "$1" ]; do
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[ "$1" = "$match" ] && return 0
case "$1" in
gentoo=*)
local params="${1##*=}"
local IFS=, x=
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for x in $params; do
[ "$x" = "$match" ] && return 0
done
;;
esac
shift
done
return 1
}
get_bootparam_value()
{
local match="$1" which_value="$2" sep="$3" result value
if [ -n "$match" -a -r /proc/cmdline ]; then
set -- $(cat /proc/cmdline)
while [ -n "$1" ]; do
case "$1" in
$match=*)
value="${1##*=}"
case "$which_value" in
all)
[ -z "$sep" ] && sep=' '
if [ -z "$result" ]; then
result="$value"
else
result="${result}${sep}${value}"
fi
;;
last)
result="$value"
;;
*)
result="$value"
break
;;
esac
;;
esac
shift
done
fi
echo $result
}
need_if_exists()
{
for x; do
rc-service --exists "${x}" && need "${x}"
done
}
# Called from openrc-run.sh or gendepends.sh
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_get_containers() {
local c
case "${RC_UNAME}" in
FreeBSD)
c="-jail"
;;
Linux)
c="-docker -lxc -openvz -rkt -systemd-nspawn -uml -vserver"
;;
esac
echo $c
}
_get_containers_remove() {
local c
for x in $(_get_containers); do
c="${c}!${x} "
done
echo $c
}
_depend() {
depend
local _rc_svcname=$(shell_var "$RC_SVCNAME") _deptype= _depends=
# Add any user defined depends
for _deptype in config:CONFIG need:NEED use:USE want:WANT \
after:AFTER before:BEFORE \
provide:PROVIDE keyword:KEYWORD; do
IFS=:
set -- $_deptype
unset IFS
eval _depends=\$rc_${_rc_svcname}_$1
[ -z "$_depends" ] && eval _depends=\$rc_$1
[ -z "$_depends" ] && eval _depends=\$RC_${_rc_svcname}_$2
[ -z "$_depends" ] && eval _depends=\$RC_$2
$1 $_depends
done
}
# Add our sbin to $PATH
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case "$PATH" in
"$RC_LIBEXECDIR"/sbin|"$RC_LIBEXECDIR"/sbin:*);;
*) PATH="$RC_LIBEXECDIR/sbin:$PATH" ; export PATH ;;
esac