$ git clone -n https://src.fedoraproject.org/rpms/aws-checksums.git /var/lib/mock/f42-build-3273272-41310/root/chroot_tmpdir/scmroot/aws-checksums
Cloning into '/var/lib/mock/f42-build-3273272-41310/root/chroot_tmpdir/scmroot/aws-checksums'...
$ git fetch origin 2193705606ba8ac3555ebaff0285b4d0f3850246:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/aws-checksums
 * [new ref]         2193705606ba8ac3555ebaff0285b4d0f3850246 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2193705 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild