$ git clone -n https://src.fedoraproject.org/rpms/kf5-kfilemetadata.git /var/lib/mock/f40-build-786928-134632/root/chroot_tmpdir/scmroot/kf5-kfilemetadata
Cloning into '/var/lib/mock/f40-build-786928-134632/root/chroot_tmpdir/scmroot/kf5-kfilemetadata'...
$ git fetch origin 5ac369c698b15c89090536c1c622826558a3c277:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kfilemetadata
 * [new ref]         5ac369c698b15c89090536c1c622826558a3c277 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5ac369c 5.115.0