$ git clone -n https://gitee.com/src-anolis-os/anolis-release.git /var/lib/mock/dist-an27-build-527582-79637/root/chroot_tmpdir/scmroot/anolis-release
Cloning into '/var/lib/mock/dist-an27-build-527582-79637/root/chroot_tmpdir/scmroot/anolis-release'...
$ git fetch origin a27:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/anolis-release
 * [new branch]      a27        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ec36743 Init package