$ git clone -n https://gitee.com/src-opencloudos-rpms/jakarta-activation1.git /var/lib/mock/dist-oc9-build-50224-14595/root/chroot_tmpdir/scmroot/jakarta-activation1
Cloning into '/var/lib/mock/dist-oc9-build-50224-14595/root/chroot_tmpdir/scmroot/jakarta-activation1'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/jakarta-activation1
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e6ecb40 import jakarta-activation1-1.2.2-2.tl4