$ git clone -n https://src.fedoraproject.org/rpms/kf6-kfilemetadata.git /var/lib/mock/f40-build-775021-127986/root/chroot_tmpdir/scmroot/kf6-kfilemetadata
Cloning into '/var/lib/mock/f40-build-775021-127986/root/chroot_tmpdir/scmroot/kf6-kfilemetadata'...
$ git fetch origin bafe1b272e816b2422a4703f02567a21cc887acf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kfilemetadata
 * [new ref]         bafe1b272e816b2422a4703f02567a21cc887acf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bafe1b2 5.248.0