$ git clone -n https://gitee.com/gcdota930915/libreport.git /var/lib/mock/dist-an23-build-271070-64121/root/chroot_tmpdir/scmroot/libreport
Cloning into '/var/lib/mock/dist-an23-build-271070-64121/root/chroot_tmpdir/scmroot/libreport'...
$ git fetch origin 31fb6ed1c50821e84f1a9aa768b8804d72bcaf0d:KOJI_FETCH_HEAD
From https://gitee.com/gcdota930915/libreport
 * [new ref]         31fb6ed1c50821e84f1a9aa768b8804d72bcaf0d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 31fb6ed Fix build failure with glib2 2.68