listlist is like strstr for lists with specified separator and
are_lists_eq uses listlist to check equality of specified lists.
---
modules.d/99base/dracut-lib.sh | 38 ++++++++++++++++++++++++++++++++++++++
1 files changed, 38 insertions(+), 0 deletions(-)
diff --git a/modules.d/99base/dracut-lib.sh b/modules.d/99base/dracut-lib.sh
index 786661e..2eb1224 100755
--- a/modules.d/99base/dracut-lib.sh
+++ b/modules.d/99base/dracut-lib.sh
@@ -906,3 +906,41 @@ export_n()
[ -n "$val" ] && eval $var=\"$val\"
done
}
+
+# returns OK if list1 contains all elements of list2, i.e. checks if list2 is a
+# sublist of list1. An order and a duplication doesn't matter.
+#
+# $1 = separator
+# $2 = list1
+# $3 = list2
+# $4 = ignore values, separated by $1
+listlist() {
+ local _sep="$1"
+ local _list="${_sep}${2}${_sep}"
+ local _sublist="$3"
+ [ -n "$4" ] && local _iglist="${_sep}${4}${_sep}"
+ local IFS="$_sep"
+ local _v
+
+ [ "$_list" = "$_sublist" ] && return 0
+
+ for _v in $_sublist; do
+ if [ -n "$_v" ] && ! ( [ -n "$_iglist" ] && strstr "$_iglist" "$_v" )
+ then
+ strstr "$_list" "$_v" || return 1
+ fi
+ done
+
+ return 0
+}
+
+# returns OK if both lists contain the same values. An order and a duplication
+# doesn't matter.
+#
+# $1 = separator
+# $2 = list1
+# $3 = list2
+# $4 = ignore values, separated by $1
+are_lists_eq() {
+ listlist "$1" "$2" "$3" "$4" && listlist "$1" "$3" "$2" "$4"
+}
--
1.7.8.6
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