$ git clone -n https://gitee.com/lizhao2025/libdrm.git /var/lib/mock/dist-an23-build-499896-74764/root/chroot_tmpdir/scmroot/libdrm
Cloning into '/var/lib/mock/dist-an23-build-499896-74764/root/chroot_tmpdir/scmroot/libdrm'...
$ git fetch origin e6d8d620b9f8a65a1a942bdab6def35141eeb8a3:KOJI_FETCH_HEAD
From https://gitee.com/lizhao2025/libdrm
 * [new ref]         e6d8d620b9f8a65a1a942bdab6def35141eeb8a3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e6d8d62 Update code from upstream