$ git clone -n https://src.fedoraproject.org/rpms/libXcm.git /var/lib/mock/f41-build-821678-152618/root/chroot_tmpdir/scmroot/libXcm
Cloning into '/var/lib/mock/f41-build-821678-152618/root/chroot_tmpdir/scmroot/libXcm'...
$ git fetch origin c226f9a5d370adead9b9fd0ffedba3cab9d16fd3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libXcm
 * [new ref]         c226f9a5d370adead9b9fd0ffedba3cab9d16fd3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c226f9a Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild