$ git clone -n https://src.fedoraproject.org/rpms/ibus-libpinyin.git /var/lib/mock/f41-build-830280-156460/root/chroot_tmpdir/scmroot/ibus-libpinyin
Cloning into '/var/lib/mock/f41-build-830280-156460/root/chroot_tmpdir/scmroot/ibus-libpinyin'...
$ git fetch origin e311daa56ae16e1016c4b5e6f69b7dab1200b992:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ibus-libpinyin
 * [new ref]         e311daa56ae16e1016c4b5e6f69b7dab1200b992 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e311daa Update to 1.15.8