test -n "$rebase_root" && root_flag=--root
-git format-patch -k --stdout --full-index --ignore-if-in-upstream \
- --src-prefix=a/ --dst-prefix=b/ \
- --no-renames $root_flag "$revisions" |
-git am $git_am_opt --rebasing --resolvemsg="$resolvemsg" &&
-move_to_original_branch
+if test -n "$keep_empty"
+then
+ # we have to do this the hard way. git format-patch completely squashes
+ # empty commits and even if it didn't the format doesn't really lend
+ # itself well to recording empty patches. fortunately, cherry-pick
+ # makes this easy
+ git cherry-pick --allow-empty "$revisions"
+else
+ git format-patch -k --stdout --full-index --ignore-if-in-upstream \
+ --src-prefix=a/ --dst-prefix=b/ \
+ --no-renames $root_flag "$revisions" |
+ git am $git_am_opt --rebasing --resolvemsg="$resolvemsg"
+fi && move_to_original_branch
+
ret=$?
test 0 != $ret -a -d "$state_dir" && write_basic_state
exit $ret