trim message in case url is empty

[code/fbi-announce.git] / post-receive-hook.sh

diff --git a/post-receive-hook.sh b/post-receive-hook.sh
index 04198d3679e24f62c03edcd2508976583ecb4d4e..c107292b9fd43de0c10dd4aa688bafed112ada11 100755 (executable)
--- a/post-receive-hook.sh
+++ b/post-receive-hook.sh
@@ -6,6 +6,9 @@
 #
 # Distributed under the terms of the Artistic Licence 2.0
 #
+#
+# Link this to $GIT_DIR/hooks/post-receive (or …/update).
+#
 set -eu
 
 realself=$(readlink -f ${0})
@@ -13,8 +16,9 @@ siblingscript="${realself%/*}/fbi-announce.sh"
 
 process_update()
 {
-  for commit in $(git rev-parse --not --branches | grep -v ${rev} |
-                  git rev-list --reverse --stdin ${1}..${2}); do
+  for commit in $(git rev-parse --not --branches |
+                    grep -v $(git rev-parse ${3}) |
+                    git rev-list --reverse --stdin ${1}..${2}); do
     ${siblingscript} ${3} ${commit}
   done
 }