$ git clone -n https://src.fedoraproject.org/rpms/yara.git /var/lib/mock/f41-build-854498-166886/root/chroot_tmpdir/scmroot/yara
Cloning into '/var/lib/mock/f41-build-854498-166886/root/chroot_tmpdir/scmroot/yara'...
$ git fetch origin ed9c1e010566c18fc3a2bf30b0b121f0c3c458d8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/yara
 * [new ref]         ed9c1e010566c18fc3a2bf30b0b121f0c3c458d8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ed9c1e0 bump to 4.5.2