$ git clone -n https://src.fedoraproject.org/rpms/rmlint.git /var/lib/mock/f42-build-side-1-3502170-45977/root/chroot_tmpdir/scmroot/rmlint
Cloning into '/var/lib/mock/f42-build-side-1-3502170-45977/root/chroot_tmpdir/scmroot/rmlint'...
$ git fetch origin 5a4c18fbaeab20d52b793d180d4ba9f31c05545f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rmlint
 * [new ref]         5a4c18fbaeab20d52b793d180d4ba9f31c05545f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5a4c18f Update to v2.10.3, move gui to subpackage