$ git clone -n https://src.fedoraproject.org/rpms/xdemorse.git /var/lib/mock/f40-build-804733-144603/root/chroot_tmpdir/scmroot/xdemorse
Cloning into '/var/lib/mock/f40-build-804733-144603/root/chroot_tmpdir/scmroot/xdemorse'...
$ git fetch origin 0a997673048617d0636c15ba6fa96a964edb47c7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xdemorse
 * [new ref]         0a997673048617d0636c15ba6fa96a964edb47c7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0a99767 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild