$ git clone -n https://src.fedoraproject.org/rpms/docker-distribution.git /var/lib/mock/f42-build-3528332-46309/root/chroot_tmpdir/scmroot/docker-distribution
Cloning into '/var/lib/mock/f42-build-3528332-46309/root/chroot_tmpdir/scmroot/docker-distribution'...
$ git fetch origin 568d3311e5ee51d1cd7e46a9e18bbb02c49d13c8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/docker-distribution
 * [new ref]         568d3311e5ee51d1cd7e46a9e18bbb02c49d13c8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 568d331 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild