fix update-hook-example to work with packed tag references

diff --git a/git-am.sh b/git-am.sh
index b48096ec2037e3f14d4bdf89a0afe4623aff090e..2c517ede590c5c3274b03d1c980f9a847cc7d643 100755 (executable)
--- a/git-am.sh
+++ b/git-am.sh
@@ -421,7 +421,7 @@ do
        else
            action=yes
        fi
-       FIRSTLINE=$(head -1 "$dotest/final-commit")
+       FIRSTLINE=$(sed 1q "$dotest/final-commit")
 
        if test $action = skip
        then