1 files changed, 120 insertions, 0 deletions
diff --git a/generate-cmdlist.sh b/generate-cmdlist.sh
new file mode 100755
index 0000000000..0ed39c4c5d
--- /dev/null
+++ b/generate-cmdlist.sh
@@ -0,0 +1,120 @@
+#!/bin/sh
+
+die () {
+	echo "$@" >&2
+	exit 1
+}
+
+command_list () {
+	while read cmd rest
+	do
+		case "$cmd" in
+		"#"* | '')
+			# Ignore comments and allow empty lines
+			continue
+			;;
+		*)
+			case "$exclude_programs" in
+			*":$cmd:"*)
+				;;
+			*)
+				echo "$cmd $rest"
+				;;
+			esac
+		esac
+	done <"$1"
+}
+
+category_list () {
+	echo "$1" |
+	cut -d' ' -f2- |
+	tr ' ' '\012' |
+	grep -v '^$' |
+	LC_ALL=C sort -u
+}
+
+define_categories () {
+	echo
+	echo "/* Command categories */"
+	bit=0
+	echo "$1" |
+	while read cat
+	do
+		echo "#define CAT_$cat (1UL << $bit)"
+		bit=$(($bit+1))
+	done
+	test "$bit" -gt 32 && die "Urgh.. too many categories?"
+}
+
+define_category_names () {
+	echo
+	echo "/* Category names */"
+	echo "static const char *category_names[] = {"
+	bit=0
+	echo "$1" |
+	while read cat
+	do
+		echo "	\"$cat\", /* (1UL << $bit) */"
+		bit=$(($bit+1))
+	done
+	echo "	NULL"
+	echo "};"
+}
+
+print_command_list () {
+	echo "static struct cmdname_help command_list[] = {"
+
+	echo "$2" |
+	while read cmd rest
+	do
+		synopsis=
+		while read line
+		do
+			case "$line" in
+			"$cmd - "*)
+				synopsis=${line#$cmd - }
+				break
+				;;
+			esac
+		done <"$1/Documentation/$cmd.adoc"
+
+		printf '\t{ "%s", N_("%s"), 0' "$cmd" "$synopsis"
+		printf " | CAT_%s" $rest
+		echo " },"
+	done
+	echo "};"
+}
+
+exclude_programs=:
+while test "--exclude-program" = "$1"
+do
+	shift
+	exclude_programs="$exclude_programs$1:"
+	shift
+done
+
+if test "$#" -ne 2
+then
+	die "USAGE: $0 <SOURCE_DIR> <OUTPUT>"
+fi
+
+SOURCE_DIR="$1"
+OUTPUT="$2"
+
+{
+	commands="$(command_list "$SOURCE_DIR"/command-list.txt)"
+	categories="$(category_list "$commands")"
+
+	echo "/* Automatically generated by generate-cmdlist.sh */
+	struct cmdname_help {
+		const char *name;
+		const char *help;
+		uint32_t category;
+	};
+	"
+	define_categories "$categories"
+	echo
+	define_category_names "$categories"
+	echo
+	print_command_list "$SOURCE_DIR" "$commands"
+} >"$OUTPUT"