$ git clone -n https://src.fedoraproject.org/rpms/knot-resolver.git /var/lib/mock/f40-build-791827-137742/root/chroot_tmpdir/scmroot/knot-resolver
Cloning into '/var/lib/mock/f40-build-791827-137742/root/chroot_tmpdir/scmroot/knot-resolver'...
$ git fetch origin 44db55a1a743f476f2eaa14ab4e8572035d2c533:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/knot-resolver
 * [new ref]         44db55a1a743f476f2eaa14ab4e8572035d2c533 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 44db55a Release 5.7.1-1