$ git clone -n https://gitee.com/zhuhong_bo/firefox /var/lib/mock/dist-an7-els-build-411882-72785/root/chroot_tmpdir/scmroot/firefox
Cloning into '/var/lib/mock/dist-an7-els-build-411882-72785/root/chroot_tmpdir/scmroot/firefox'...
$ git fetch origin a7:KOJI_FETCH_HEAD
From https://gitee.com/zhuhong_bo/firefox
 * [new branch]      a7         -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
Updating files:  88% (47/53)
Updating files:  90% (48/53)
Updating files:  92% (49/53)
Updating files:  94% (50/53)
Updating files:  96% (51/53)
Updating files:  98% (52/53)
Updating files: 100% (53/53)
Updating files: 100% (53/53), done.
HEAD is now at a5c978f version 128 add rust