$ git clone -n https://gitee.com/wency_cn/m17n-lib.git /var/lib/mock/dist-an23-build-492504-74553/root/chroot_tmpdir/scmroot/m17n-lib
Cloning into '/var/lib/mock/dist-an23-build-492504-74553/root/chroot_tmpdir/scmroot/m17n-lib'...
$ git fetch origin 8051fce3a1df21e07ca2780920c97c6e4b977e7b:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/m17n-lib
 * [new ref]         8051fce3a1df21e07ca2780920c97c6e4b977e7b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8051fce Update code from upstream