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-rw-r--r--sh/rc-functions.sh.in80
1 files changed, 80 insertions, 0 deletions
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+# Copyright 2007 Gentoo Foundation
+# Copyright 2007-2008 Roy Marples <roy@marples.name>
+# All rights reserved. Released under the 2-clause BSD license.
+
+has_addon()
+{
+ [ -e "${RC_LIBDIR}/addons/$1.sh" ] || [ -e /lib/rcscripts/addons/"$1".sh ]
+}
+
+import_addon()
+{
+ if [ -e "${RC_LIBDIR}/addons/$1.sh" ]; then
+ . "${RC_LIBDIR}/addons/$1.sh"
+ elif [ -e /lib/rcscripts/addons/"$1".sh ]; then
+ . /lib/rcscripts/addons/"$1".sh
+ else
+ return 1
+ fi
+}
+
+start_addon()
+{
+ ( import_addon "$1-start" )
+}
+
+stop_addon()
+{
+ ( import_addon "$1-stop" )
+}
+
+net_fs_list="afs cifs coda davfs fuse gfs 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 ${net_fs_list}; do
+ [ "${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
+ 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
+}
+
+# Add our sbin to $PATH
+case "${PATH}" in
+ /lib/rc/sbin|/lib/rc/sbin:*);;
+ *) export PATH="/lib/rc/sbin:${PATH}";;
+esac