$ git clone -n https://src.fedoraproject.org/rpms/xsane.git /var/lib/mock/f40-build-2648505-66784/root/chroot_tmpdir/scmroot/xsane
Cloning into '/var/lib/mock/f40-build-2648505-66784/root/chroot_tmpdir/scmroot/xsane'...
$ git fetch origin 00467b6e071af1adc9698404ed8d1af6de5555b7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xsane
 * [new ref]         00467b6e071af1adc9698404ed8d1af6de5555b7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 00467b6 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild