$ git clone -n https://src.fedoraproject.org/rpms/marshalparser.git /var/lib/mock/f42-build-3347401-45004/root/chroot_tmpdir/scmroot/marshalparser
Cloning into '/var/lib/mock/f42-build-3347401-45004/root/chroot_tmpdir/scmroot/marshalparser'...
$ git fetch origin 7e60225721f1d1ad3156be8d0b309801a0cfcf17:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/marshalparser
 * [new ref]         7e60225721f1d1ad3156be8d0b309801a0cfcf17 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7e60225 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild