$ git clone -n https://gitee.com/opencloudos-stream/qt6-qtserialport.git /var/lib/mock/dist-oc9-epol-build-95939-59719/root/chroot_tmpdir/scmroot/qt6-qtserialport
Cloning into '/var/lib/mock/dist-oc9-epol-build-95939-59719/root/chroot_tmpdir/scmroot/qt6-qtserialport'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/qt6-qtserialport
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 90aa80f update