Add RepoFilter.finish() function for split RepoFilter cases

git-repo-filter

@@ -2638,6 +2638,14 @@ class RepoFilter(object):
       print("[DEBUG] Running: {}".format(' '.join(fip_cmd)))
       print("  (using the following file as input: {})".format(fe_filt))
 
+  def finish(self):
+    ''' Alternative to finish() when there is no input of our own to parse,
+        meaning that run only really needs to close the handle to fast-import
+        and let it finish, thus making a call to "run" feel like a misnomer. '''
+    assert not self._input
+    assert self._managed_output
+    self.run()
+
   def run(self):
     if not self._input and not self._output:
       self._setup_input(use_done_feature = True)

testcases/lib-usage/splice_repos.py

@@ -67,7 +67,7 @@ class InterleaveRepositories:
                                 commit_callback = lambda c: self.weave_commit(c))
     i2.set_output(out)
     i2.run()
-    out.run()
+    out.finish()
 
 splicer = InterleaveRepositories(sys.argv[1], sys.argv[2], sys.argv[3])
 splicer.run()