$ git clone -n https://src.fedoraproject.org/rpms/gwenview.git /var/lib/mock/f45-build-13287-448/root/chroot_tmpdir/scmroot/gwenview
Cloning into '/var/lib/mock/f45-build-13287-448/root/chroot_tmpdir/scmroot/gwenview'...
$ git fetch origin ce5cba346c2de935dd31abe7f8bd564e0f66d96d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gwenview
 * [new ref]         ce5cba346c2de935dd31abe7f8bd564e0f66d96d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ce5cba3 26.08.1