--- a/tests/test-git-interop.t Tue Apr 27 00:23:05 2021 -0400
+++ b/tests/test-git-interop.t Tue Apr 27 00:26:12 2021 -0400
@@ -271,6 +271,20 @@
$ hg log -r ae1ab744f95bfd5b07cf573baef98a778058537b --template "{shortest(node,1)}\n"
ae
+This covers gitlog._partialmatch()
+ $ hg log -r a
+ abort: ambiguous revision identifier: a
+ [10]
+ $ hg log -r a1
+ changeset: 2:a1983dd7fb19
+ user: test <test>
+ date: Fri Mar 06 14:26:27 2020 -0500
+ summary: more alpha
+
+ $ hg log -r dead
+ abort: unknown revision 'dead'
+ [255]
+
This coveres changelog.findmissing()
$ hg merge --preview 3d9be8deba43