$ git clone -n https://src.fedoraproject.org/rpms/xyzsh.git /var/lib/mock/f40-build-795537-140206/root/chroot_tmpdir/scmroot/xyzsh
Cloning into '/var/lib/mock/f40-build-795537-140206/root/chroot_tmpdir/scmroot/xyzsh'...
$ git fetch origin 7c238a158b665b3ee0d0de9a786323fc56290789:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xyzsh
 * [new ref]         7c238a158b665b3ee0d0de9a786323fc56290789 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7c238a1 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild