dracut-lib: add source_all to library

The network root handler will need this.

modules.d/99base/dracut-lib

@@ -14,3 +14,9 @@ getarg() {
     done
     return 1
 }
+
+source_all() {
+    local f
+    [ "$1" ] && [  -d "/$1" ] || return
+    for f in "/$1"/*.sh; do [ -f "$f" ] && . "$f"; done
+}

modules.d/99base/init

@@ -14,12 +14,6 @@ emergency_shell()
     sh -i
 }
 
-source_all() {
-    local f
-    [ "$1" ] && [  -d "/$1" ] || return
-    for f in "/$1"/*.sh; do [ -f "$f" ] && . "$f"; done
-}
-
 export PATH=/sbin:/bin:/usr/sbin:/usr/bin
 export TERM=linux
 NEWROOT="/sysroot"