Prompt before each invocation of the merge resolution program
to give the user a chance to skip the path.
+-O<orderfile>::
+ Process files in the order specified in the
+ <orderfile>, which has one shell glob pattern per line.
+ This overrides the `diff.orderFile` configuration variable
+ (see linkgit:git-config[1]). To cancel `diff.orderFile`,
+ use `-O/dev/null`.
+
TEMPORARY FILES
---------------
`git mergetool` creates `*.orig` backup files while resolving merges.