release.sh: Generate error for missing arguments

All three arguments are required.  Otherwise git-rev-list will abort the
script silently.

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

1 files changed, 5 insertions, 5 deletions

diff --git a/release.sh b/release.sh
index df1caf8..03687ac 100755
--- a/release.sh
+++ b/release.sh
@@ -120,15 +120,15 @@ while [ $# != 0 ]; do
         exit 1
         ;;
     *)
+        if [ $# != 3 ]; then
+            echo "error: invalid argument count"
+            usage
+            exit 1
+        fi
         section="$1"
         tag_previous="$2"
         tag_current="$3"
         shift 3
-        if [ $# != 0 ]; then
-            echo "error: unknown parameter"
-            usage
-            exit 1
-        fi
         ;;
     esac
 done