$ git clone -n https://gitee.com/mgb01105731/golang-x-sync.git /var/lib/mock/dist-an23-epao-build-299316-65896/root/chroot_tmpdir/scmroot/golang-x-sync
Cloning into '/var/lib/mock/dist-an23-epao-build-299316-65896/root/chroot_tmpdir/scmroot/golang-x-sync'...
$ git reset --hard origin/a23
HEAD is now at 8d9e091 init upstream from version 0.1.0