$ git clone -n https://gitee.com/xinlong-chen/golang-x-crypto /var/lib/mock/dist-oc9-epol-build-211100-80675/root/chroot_tmpdir/scmroot/golang-x-crypto
Cloning into '/var/lib/mock/dist-oc9-epol-build-211100-80675/root/chroot_tmpdir/scmroot/golang-x-crypto'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/xinlong-chen/golang-x-crypto
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 834ddad upgrade to version 0.33