$ git clone -n https://src.fedoraproject.org/rpms/metapixel.git /var/lib/mock/f40-build-792706-138594/root/chroot_tmpdir/scmroot/metapixel
Cloning into '/var/lib/mock/f40-build-792706-138594/root/chroot_tmpdir/scmroot/metapixel'...
$ git fetch origin 8c65a13e80965c9ecf4328c3cfddf902a414323c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/metapixel
 * [new ref]         8c65a13e80965c9ecf4328c3cfddf902a414323c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8c65a13 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild