$ git clone -n https://src.fedoraproject.org/rpms/xawtv.git /var/lib/mock/f40-build-791494-137599/root/chroot_tmpdir/scmroot/xawtv
Cloning into '/var/lib/mock/f40-build-791494-137599/root/chroot_tmpdir/scmroot/xawtv'...
$ git fetch origin 44737a4de341d54100f605730df0bad3c1ba6526:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xawtv
 * [new ref]         44737a4de341d54100f605730df0bad3c1ba6526 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 44737a4 Fix incompatible pointer types warning (#2261796)