external/subpack/utils/tang/patches/030-readlink.patch

--- a/src/tangd-update
+++ b/src/tangd-update
@@ -33,8 +33,8 @@ fi
 
 [ ! -d "$2" ] && mkdir -p -m 0700 "$2"
 
-src=`realpath "$1"`
-dst=`realpath "$2"`
+src=`readlink -f "$1"`
+dst=`readlink -f "$2"`
 
 payl=()
 sign=()