$ git clone -n https://gitee.com/src-anolis-os/iputils.git /var/lib/mock/dist-lifsea8-build-75785-39264/root/chroot_tmpdir/scmroot/iputils Cloning into '/var/lib/mock/dist-lifsea8-build-75785-39264/root/chroot_tmpdir/scmroot/iputils'... $ git reset --hard origin/a8 HEAD is now at e7a41dd use extern in header files when declaring global variables