$ git clone -n https://src.fedoraproject.org/rpms/roxterm.git /var/lib/mock/f40-build-2032890-47741/root/chroot_tmpdir/scmroot/roxterm
Cloning into '/var/lib/mock/f40-build-2032890-47741/root/chroot_tmpdir/scmroot/roxterm'...
$ git fetch origin cb9c03acea35ac2cf9e6fa50441cb6495ff73437:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/roxterm
 * [new ref]         cb9c03acea35ac2cf9e6fa50441cb6495ff73437 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cb9c03a Update to 3.13.1