$ git clone -n https://gitee.com/newstart-gdlc/qt5-doc.git /var/lib/mock/dist-an23-build-451944-73488/root/chroot_tmpdir/scmroot/qt5-doc
Cloning into '/var/lib/mock/dist-an23-build-451944-73488/root/chroot_tmpdir/scmroot/qt5-doc'...
$ git fetch origin b4791b13f4f79946e5e2afa913c637d06eba31f2:KOJI_FETCH_HEAD
From https://gitee.com/newstart-gdlc/qt5-doc
 * [new ref]         b4791b13f4f79946e5e2afa913c637d06eba31f2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b4791b1 [Feature] Update qt5-doc to V5.15.1