$ git clone -n https://gitee.com/happy_orange/yarnpkg.git /var/lib/mock/dist-an23-build-340926-69856/root/chroot_tmpdir/scmroot/yarnpkg
Cloning into '/var/lib/mock/dist-an23-build-340926-69856/root/chroot_tmpdir/scmroot/yarnpkg'...
$ git fetch origin 8e22ca7e05f3e0f7973b41fbf8ab0db3b385a9f7:KOJI_FETCH_HEAD
From https://gitee.com/happy_orange/yarnpkg
 * [new ref]         8e22ca7e05f3e0f7973b41fbf8ab0db3b385a9f7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8e22ca7 update to 1.22.21