$ git clone -n https://src.fedoraproject.org/rpms/maven-doxia.git /var/lib/mock/f39-build-1700222-41198/root/chroot_tmpdir/scmroot/maven-doxia
Cloning into '/var/lib/mock/f39-build-1700222-41198/root/chroot_tmpdir/scmroot/maven-doxia'...
$ git fetch origin 8cda4cfcd97b7e72bdde441aaf2ae2151fa42134:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/maven-doxia
 * [new ref]         8cda4cfcd97b7e72bdde441aaf2ae2151fa42134 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8cda4cf Enable markdown support