pull --rebase: exit early when the working directory is dirty

diff --git a/git-filter-branch.sh b/git-filter-branch.sh
index 333f6a8f3b783d46a0ce3b2f59bae152936cd11c..80e99e539477cbd7266b19c1bd90d424cf1341ee 100755 (executable)
--- a/git-filter-branch.sh
+++ b/git-filter-branch.sh
@@ -435,11 +435,17 @@ rm -rf "$tempdir"
 trap - 0
 
 unset GIT_DIR GIT_WORK_TREE GIT_INDEX_FILE
-test -z "$ORIG_GIT_DIR" || GIT_DIR="$ORIG_GIT_DIR" && export GIT_DIR
-test -z "$ORIG_GIT_WORK_TREE" || GIT_WORK_TREE="$ORIG_GIT_WORK_TREE" &&
+test -z "$ORIG_GIT_DIR" || {
+       GIT_DIR="$ORIG_GIT_DIR" && export GIT_DIR
+}
+test -z "$ORIG_GIT_WORK_TREE" || {
+       GIT_WORK_TREE="$ORIG_GIT_WORK_TREE" &&
        export GIT_WORK_TREE
-test -z "$ORIG_GIT_INDEX_FILE" || GIT_INDEX_FILE="$ORIG_GIT_INDEX_FILE" &&
+}
+test -z "$ORIG_GIT_INDEX_FILE" || {
+       GIT_INDEX_FILE="$ORIG_GIT_INDEX_FILE" &&
        export GIT_INDEX_FILE
+}
 git read-tree -u -m HEAD
 
 exit $ret