$ git clone -n https://gitee.com/src-anolis-dde/dde-printer.git /var/lib/mock/dist-an23-build-285843-64822/root/chroot_tmpdir/scmroot/dde-printer
Cloning into '/var/lib/mock/dist-an23-build-285843-64822/root/chroot_tmpdir/scmroot/dde-printer'...
$ git fetch origin a8:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-dde/dde-printer
 * [new branch]      a8         -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 21cd6a0 !2  rebuild for an8.6 Merge pull request !2 from xingwei-liu/a8