$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-Harness.git /var/lib/mock/f41-build-815680-149688/root/chroot_tmpdir/scmroot/perl-Test-Harness
Cloning into '/var/lib/mock/f41-build-815680-149688/root/chroot_tmpdir/scmroot/perl-Test-Harness'...
$ git fetch origin 7f3f595467122946ea72eda097c332bbb28f3a15:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-Harness
 * [new ref]         7f3f595467122946ea72eda097c332bbb28f3a15 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7f3f595 Increase release to favour standalone package