$ git clone -n https://gitee.com/fundawang/libdrm.git /var/lib/mock/dist-an23-build-347133-70352/root/chroot_tmpdir/scmroot/libdrm
Cloning into '/var/lib/mock/dist-an23-build-347133-70352/root/chroot_tmpdir/scmroot/libdrm'...
$ git fetch origin c4b83b3862a5668882919b68589c20eace994efa:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/libdrm
 * [new ref]         c4b83b3862a5668882919b68589c20eace994efa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c4b83b3 2.4.120