Describe upload --replace in upload's help text
Signed-off-by: Shawn O. Pearce <sop@google.com>
diff --git a/subcmds/upload.py b/subcmds/upload.py
index 4e4bdbe..5879750 100644
--- a/subcmds/upload.py
+++ b/subcmds/upload.py
@@ -55,6 +55,12 @@
added to the respective list of users, and emails are sent to any
new users. Users passed to --reviewers must be already registered
with the code review system, or the upload will fail.
+
+If the --replace option is passed the user can designate which
+existing change(s) in Gerrit match up to the commits in the branch
+being uploaded. For each matched pair of change,commit the commit
+will be added as a new patch set, completely replacing the set of
+files and description associated with the change in Gerrit.
"""
def _Options(self, p):