$ git clone -n https://gitee.com/lzq11122/qt5-qtwebengine.git /var/lib/mock/dist-an23-dde-build-517689-75356/root/chroot_tmpdir/scmroot/qt5-qtwebengine
Cloning into '/var/lib/mock/dist-an23-dde-build-517689-75356/root/chroot_tmpdir/scmroot/qt5-qtwebengine'...
$ git fetch origin f2b5afa02f0da2c27fe26b328dd37af4cb800bda:KOJI_FETCH_HEAD
From https://gitee.com/lzq11122/qt5-qtwebengine
 * [new ref]         f2b5afa02f0da2c27fe26b328dd37af4cb800bda -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f2b5afa Rebuild for libvpx 1.14.1