always rebase before submit

git_redmine.py

@@ -244,8 +244,10 @@ def show(issue):
 @issue.command()
 @click.option('--issue', default=None, type=int)
 @click.argument('number_of_commits', default=0)
-def submit(issue, number_of_commits):
+@click.pass_context
+def submit(ctx, issue, number_of_commits):
     '''Submit current patch from this issue branch to Redmine'''
+    ctx.invoke(rebase)
     issue = get_issue(issue)
     patches = get_patches(number_of_commits)
     message = '\n\n' + MARKER