$ git clone -n https://src.fedoraproject.org/rpms/alizams.git /var/lib/mock/f39-build-1807737-41827/root/chroot_tmpdir/scmroot/alizams
Cloning into '/var/lib/mock/f39-build-1807737-41827/root/chroot_tmpdir/scmroot/alizams'...
$ git fetch origin fa4bf5836be8f372ccf3f414d93680286a634910:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/alizams
 * [new ref]         fa4bf5836be8f372ccf3f414d93680286a634910 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fa4bf58 Update to 1.9.5