$ git clone -n https://src.fedoraproject.org/rpms/kvirc.git /var/lib/mock/f41-build-852022-166196/root/chroot_tmpdir/scmroot/kvirc
Cloning into '/var/lib/mock/f41-build-852022-166196/root/chroot_tmpdir/scmroot/kvirc'...
$ git fetch origin 81c75b14ce546253b891dbcceb51381c16dd50e2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kvirc
 * [new ref]         81c75b14ce546253b891dbcceb51381c16dd50e2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 81c75b1 KVIrc 5.2.4