$ git clone -n https://gitee.com/src-anolis-os/easymock.git /var/lib/mock/dist-an23-build-339553-69782/root/chroot_tmpdir/scmroot/easymock
Cloning into '/var/lib/mock/dist-an23-build-339553-69782/root/chroot_tmpdir/scmroot/easymock'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/easymock
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e546c34 rebuild