$ git clone -n https://src.fedoraproject.org/rpms/python-sshpubkeys.git /var/lib/mock/f40-build-2030060-47504/root/chroot_tmpdir/scmroot/python-sshpubkeys
Cloning into '/var/lib/mock/f40-build-2030060-47504/root/chroot_tmpdir/scmroot/python-sshpubkeys'...
$ git fetch origin 1632409f494b38768b7abcc90d7fd98c78820f53:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-sshpubkeys
 * [new ref]         1632409f494b38768b7abcc90d7fd98c78820f53 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1632409 F38+: Use %{py3_test_envvars} when running tests