$ git clone -n https://src.fedoraproject.org/rpms/znc-push.git /var/lib/mock/f41-build-side-1-3002026-36498/root/chroot_tmpdir/scmroot/znc-push
Cloning into '/var/lib/mock/f41-build-side-1-3002026-36498/root/chroot_tmpdir/scmroot/znc-push'...
$ git fetch origin 767ee85a02c9a7d57355a58c473392079dacd1af:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/znc-push
 * [new ref]         767ee85a02c9a7d57355a58c473392079dacd1af -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 767ee85 new znc-buildmod needs cmake/python