$ git clone -n https://gitee.com/src-anolis-os/ocl-icd.git /var/lib/mock/dist-an8.6-build-110253-45836/root/chroot_tmpdir/scmroot/ocl-icd Cloning into '/var/lib/mock/dist-an8.6-build-110253-45836/root/chroot_tmpdir/scmroot/ocl-icd'... $ git reset --hard 9c21ab9551e325263c4e4931726e7c94673f9130 HEAD is now at 9c21ab9 use extern in header files when declaring global variables