$ git clone -n https://gitee.com/src-anolis-dde/dde-launcher.git /var/lib/mock/dist-an8.9-dde-build-346346-69744/root/chroot_tmpdir/scmroot/dde-launcher
Cloning into '/var/lib/mock/dist-an8.9-dde-build-346346-69744/root/chroot_tmpdir/scmroot/dde-launcher'...
$ git fetch origin a8:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-dde/dde-launcher
 * [new branch]      a8         -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a9c4f62 rebuild for qt5-qtbase