$ git clone -n https://gitee.com/src-opencloudos-rpms/qt5-qtwebchannel.git /var/lib/mock/dist-oc9-build-71839-47595/root/chroot_tmpdir/scmroot/qt5-qtwebchannel
Cloning into '/var/lib/mock/dist-oc9-build-71839-47595/root/chroot_tmpdir/scmroot/qt5-qtwebchannel'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/qt5-qtwebchannel
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2f85658 import qt5-qtwebchannel-5.15.11-1.tl4