$ git clone -n https://gitee.com/src-anolis-dde/dde-calendar.git /var/lib/mock/dist-an8.9-dde-build-283804-64746/root/chroot_tmpdir/scmroot/dde-calendar
Cloning into '/var/lib/mock/dist-an8.9-dde-build-283804-64746/root/chroot_tmpdir/scmroot/dde-calendar'...
$ git fetch origin a8:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-dde/dde-calendar
 * [new branch]      a8         -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4e765d4 Update to Anolis 8.9