$ git clone -n https://src.fedoraproject.org/rpms/perl-Class-Load-XS.git /var/lib/mock/f39-build-1451784-32830/root/chroot_tmpdir/scmroot/perl-Class-Load-XS
Cloning into '/var/lib/mock/f39-build-1451784-32830/root/chroot_tmpdir/scmroot/perl-Class-Load-XS'...
$ git fetch origin 501717efc67794b8117c4fc54569a5c4972a104d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Class-Load-XS
 * [new ref]         501717efc67794b8117c4fc54569a5c4972a104d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 501717e Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild