$ git clone -n https://gitee.com/ocs-bot/libunistring.git /var/lib/mock/dist-ocs23-build-172145-10529/root/chroot_tmpdir/scmroot/libunistring
Cloning into '/var/lib/mock/dist-ocs23-build-172145-10529/root/chroot_tmpdir/scmroot/libunistring'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/ocs-bot/libunistring
 * [new ref]         HEAD       -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9e3c6d2 Upgrade to version 1.2