$ git clone -n https://gitee.com/src-anolis-os/squashfs-tools.git /var/lib/mock/dist-an8-build-74166-38994/root/chroot_tmpdir/scmroot/squashfs-tools
Cloning into '/var/lib/mock/dist-an8-build-74166-38994/root/chroot_tmpdir/scmroot/squashfs-tools'...
$ git reset --hard origin/a8
HEAD is now at 0da0c7e use extern in header files when declaring global variables