$ git clone -n https://src.fedoraproject.org/rpms/perl-Module-Metadata.git /var/lib/mock/f41-build-815711-149688/root/chroot_tmpdir/scmroot/perl-Module-Metadata
Cloning into '/var/lib/mock/f41-build-815711-149688/root/chroot_tmpdir/scmroot/perl-Module-Metadata'...
$ git fetch origin 6d272add9c2dabae040e033819d6742523c3980a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Module-Metadata
 * [new ref]         6d272add9c2dabae040e033819d6742523c3980a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6d272ad Increase release to favour standalone package