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-rwxr-xr-xpackage/base-files/files/etc/functions.sh9
1 files changed, 9 insertions, 0 deletions
diff --git a/package/base-files/files/etc/functions.sh b/package/base-files/files/etc/functions.sh
index f4af4a8573..01db77ce39 100755
--- a/package/base-files/files/etc/functions.sh
+++ b/package/base-files/files/etc/functions.sh
@@ -24,6 +24,15 @@ append() {
eval "export ${NO_EXPORT:+-n} -- \"$var=\${$var:+\${$var}\${value:+\$sep}}\$value\""
}
+list_contains() {
+ local var="$1"
+ local str="$2"
+ local val
+
+ eval "val=\" \${$var} \""
+ [ "${val%% $str *}" != "$val" ]
+}
+
list_remove() {
local var="$1"
local remove="$2"