release.sh: Find modular directory through symlinks

To find the auxiliary script that updates a moduleset, consider the case
where the main script is accessed through a symlink, and resolve that
first.

Signed-off-by: Dirk Wallenstein <halsmit@t-online.de>
Reviewed-by: Dan Nicholson <dbn.lists@gmail.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/release.sh b/release.sh
index 5228a30..df1caf8 100755
--- a/release.sh
+++ b/release.sh
@@ -253,7 +253,8 @@ echo "    at: $announce"
 
 if [ -n "$moduleset" ]; then
     echo "updating moduleset $moduleset"
-    modulardir=`dirname "$0"`
+    real_script_path=`readlink -f "$0"`
+    modulardir=`dirname "$real_script_path"`
     sha1sum=`cd $tarball_dir && $SHA1SUM $targz | cut -d' ' -f1`
     $modulardir/update-moduleset.sh $moduleset $sha1sum $targz
 fi