$ git clone -n https://gitee.com/src-anolis-os/jakarta-activation1.git /var/lib/mock/dist-an23-build-442319-73171/root/chroot_tmpdir/scmroot/jakarta-activation1
Cloning into '/var/lib/mock/dist-an23-build-442319-73171/root/chroot_tmpdir/scmroot/jakarta-activation1'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/jakarta-activation1
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3a1393f Init upstream from version 1.2.2