+# The script caters for two formats, the new preferred format, and the old
+# format to ensure backward compatibility.
+# The new format is aligned with the format of the checkpatches script,
+# and allows for specifying the patches to check by passing -nX or -r range.
+# The old format allows for specifying patches by passing -X or range
+# as the first argument.
+range=${1:-origin/main..}
+
+if [ "$range" = '--help' ] ; then
+ print_usage
+ exit 0