$ git clone -n https://gitee.com/mgb01105731/yarnpkg.git /var/lib/mock/dist-an23-build-338194-69712/root/chroot_tmpdir/scmroot/yarnpkg
Cloning into '/var/lib/mock/dist-an23-build-338194-69712/root/chroot_tmpdir/scmroot/yarnpkg'...
$ git reset --hard origin/a23
HEAD is now at 11d295b rebuild