aboutsummaryrefslogtreecommitdiff
path: root/sh/rc-functions.sh
blob: 81d065b84b1b69ea1e407882148454f2bb7cfeea (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
# 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 $extra_net_fs_list; do
		[ "$x" = "$t" ] && return 0
	done
	return 1
}

is_union_fs()
{
	[ ! -x /sbin/unionctl ] && return 1
	unionctl "$1" --list >/dev/null 2>&1
}

get_bootparam()
{
	local match="$1"
	[ -z "$match" -o ! -r /proc/cmdline ] && return 1

	set -- $(cat /proc/cmdline)
	while [ -n "$1" ]; do
		[ "$1" = "$match" ] && return 0
		case "$1" in
			gentoo=*)
				local params="${1##*=}"
				local IFS=, x=
				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
_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 $PATH
case "$PATH" in
	"$RC_LIBEXECDIR"/sbin|"$RC_LIBEXECDIR"/sbin:*);;
	*) PATH="$RC_LIBEXECDIR/sbin:$PATH" ; export PATH ;;
esac