$ git clone -n https://gitee.com/mgb01105731/libdrm_1.git /var/lib/mock/dist-an23-build-144020-57677/root/chroot_tmpdir/scmroot/libdrm_1
Cloning into '/var/lib/mock/dist-an23-build-144020-57677/root/chroot_tmpdir/scmroot/libdrm_1'...
$ git reset --hard a16ad213701c6703811556c787aad055ae6c1ef0
HEAD is now at a16ad21 optimise spec file & add doc package