$ git clone -n https://src.fedoraproject.org/rpms/kosmindoormap.git /var/lib/mock/f40-build-1221914-22752/root/chroot_tmpdir/scmroot/kosmindoormap
Cloning into '/var/lib/mock/f40-build-1221914-22752/root/chroot_tmpdir/scmroot/kosmindoormap'...
$ git fetch origin 7001e4d834037e3a7887445f1daa726deaa28987:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kosmindoormap
 * [new ref]         7001e4d834037e3a7887445f1daa726deaa28987 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7001e4d Merge branch 'rawhide' into f40