$ git clone -n https://src.fedoraproject.org/rpms/avgtime.git /var/lib/mock/f41-build-852060-166211/root/chroot_tmpdir/scmroot/avgtime
Cloning into '/var/lib/mock/f41-build-852060-166211/root/chroot_tmpdir/scmroot/avgtime'...
$ git fetch origin 5642a11c6c87721c8ed02728b2d2ccd6f9672110:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/avgtime
 * [new ref]         5642a11c6c87721c8ed02728b2d2ccd6f9672110 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5642a11 Rebuilt for ldc 1.39