$ git clone -n https://src.fedoraproject.org/rpms/rust-gitui.git /var/lib/mock/f42-build-3494612-45873/root/chroot_tmpdir/scmroot/rust-gitui
Cloning into '/var/lib/mock/f42-build-3494612-45873/root/chroot_tmpdir/scmroot/rust-gitui'...
$ git fetch origin 04d4fdbab911f39cf642ee9a237accc3ef6ecdcd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gitui
 * [new ref]         04d4fdbab911f39cf642ee9a237accc3ef6ecdcd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 04d4fdb Update ron to 0.9.0