$ git clone -n https://src.fedoraproject.org/rpms/awf-gtk2.git /var/lib/mock/f42-build-side-1-3537689-46560/root/chroot_tmpdir/scmroot/awf-gtk2
Cloning into '/var/lib/mock/f42-build-side-1-3537689-46560/root/chroot_tmpdir/scmroot/awf-gtk2'...
$ git fetch origin cf9efcc689872dfbb1c9424489ea5e9f769c4bfb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/awf-gtk2
 * [new ref]         cf9efcc689872dfbb1c9424489ea5e9f769c4bfb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cf9efcc New upstream release: 3.0.0