$ git clone -n https://gitee.com/opencloudos-stream/firefox.git /var/lib/mock/dist-ocs23-build-133009-9420/root/chroot_tmpdir/scmroot/firefox
Cloning into '/var/lib/mock/dist-ocs23-build-133009-9420/root/chroot_tmpdir/scmroot/firefox'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/firefox
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ea1df4d !13 update to 115.9.1esr to fix cves and update generate scripts Merge pull request !13 from doriscchao/master