$ git clone -n https://src.fedoraproject.org/rpms/fotocx.git /var/lib/mock/f41-build-side-1-2811353-32929/root/chroot_tmpdir/scmroot/fotocx
Cloning into '/var/lib/mock/f41-build-side-1-2811353-32929/root/chroot_tmpdir/scmroot/fotocx'...
$ git fetch origin 6a39fadaa8c2b10cc9a991b823f7b81a6d1f4eb1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fotocx
 * [new ref]         6a39fadaa8c2b10cc9a991b823f7b81a6d1f4eb1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6a39fad Merge branch 'rawhide' of ssh://pkgs.fedoraproject.org/rpms/fotocx into rawhide