$ git clone -n https://gitee.com/src-anolis-os/rsyslog.git /var/lib/mock/dist-an8-build-75394-39241/root/chroot_tmpdir/scmroot/rsyslog Cloning into '/var/lib/mock/dist-an8-build-75394-39241/root/chroot_tmpdir/scmroot/rsyslog'... $ git reset --hard origin/a8 HEAD is now at 6720810 use extern in header files when declaring global variables