$ git clone -n https://gitee.com/ocs-bot/perftest.git /var/lib/mock/dist-ocs23-build-116907-8151/root/chroot_tmpdir/scmroot/perftest
Cloning into '/var/lib/mock/dist-ocs23-build-116907-8151/root/chroot_tmpdir/scmroot/perftest'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/ocs-bot/perftest
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ce0b3a9 modify spec