grep: factor test for \0 in grep patterns into a function

diff --git a/git-filter-branch.sh b/git-filter-branch.sh
index 86b2ff1e07614846465109dcb4b9afed11013839..2b8cdba157d9cd822acc88b7ec58cecda0149b85 100755 (executable)
--- a/git-filter-branch.sh
+++ b/git-filter-branch.sh
@@ -46,6 +46,8 @@ git_commit_non_empty_tree()
 {
        if test $# = 3 && test "$1" = $(git rev-parse "$3^{tree}"); then
                map "$3"
+       elif test $# = 1 && test "$1" = 4b825dc642cb6eb9a060e54bf8d69288fbee4904; then
+               :
        else
                git commit-tree "$@"
        fi