$ git clone -n https://src.fedoraproject.org/rpms/kvirc.git /var/lib/mock/f40-build-2006399-45165/root/chroot_tmpdir/scmroot/kvirc
Cloning into '/var/lib/mock/f40-build-2006399-45165/root/chroot_tmpdir/scmroot/kvirc'...
$ git fetch origin 1aaa5bc9d88fd32a65b3f8ac74aeeaa4709898e7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kvirc
 * [new ref]         1aaa5bc9d88fd32a65b3f8ac74aeeaa4709898e7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1aaa5bc Fix crash on startup when running wayland (rhbz#2250579)