1 files changed, 83 insertions, 43 deletions
diff --git a/generate-cmdlist.sh b/generate-cmdlist.sh
index eeea4b6..8d6d8b4 100755
--- a/generate-cmdlist.sh
+++ b/generate-cmdlist.sh
@@ -1,50 +1,90 @@
 #!/bin/sh
 
-echo "/* Automatically generated by generate-cmdlist.sh */
-struct cmdname_help {
-	char name[16];
-	char help[80];
-	unsigned char group;
-};
+die () {
+	echo "$@" >&2
+	exit 1
+}
+
+command_list () {
+	grep -v '^#' "$1"
+}
 
-static const char *common_cmd_groups[] = {"
-
-grps=grps$$.tmp
-match=match$$.tmp
-trap "rm -f '$grps' '$match'" 0 1 2 3 15
-
-sed -n '
-	1,/^### common groups/b
-	/^### command list/q
-	/^#/b
-	/^[ 	]*$/b
-	h;s/^[^ 	][^ 	]*[ 	][ 	]*\(.*\)/	N_("\1"),/p
-	g;s/^\([^ 	][^ 	]*\)[ 	].*/\1/w '$grps'
-	' "$1"
-printf '};\n\n'
-
-n=0
-substnum=
-while read grp
-do
-	echo "^git-..*[ 	]$grp"
-	substnum="$substnum${substnum:+;}s/[ 	]$grp/$n/"
-	n=$(($n+1))
-done <"$grps" >"$match"
-
-printf 'static struct cmdname_help common_cmds[] = {\n'
-grep -f "$match" "$1" |
-sed 's/^git-//' |
-sort |
-while read cmd tags
-do
-	tag=$(echo "$tags" | sed "$substnum; s/[^0-9]//g")
+get_categories () {
+	tr ' ' '\n'|
+	grep -v '^$' |
+	sort |
+	uniq
+}
+
+category_list () {
+	command_list "$1" |
+	cut -c 40- |
+	get_categories
+}
+
+get_synopsis () {
 	sed -n '
-		/^NAME/,/git-'"$cmd"'/H
+		/^NAME/,/'"$1"'/H
 		${
 			x
-			s/.*git-'"$cmd"' - \(.*\)/	{"'"$cmd"'", N_("\1"), '$tag'},/
+			s/.*'"$1"' - \(.*\)/N_("\1")/
 			p
-		}' "Documentation/git-$cmd.txt"
-done
-echo "};"
+		}' "Documentation/$1.txt"
+}
+
+define_categories () {
+	echo
+	echo "/* Command categories */"
+	bit=0
+	category_list "$1" |
+	while read cat
+	do
+		echo "#define CAT_$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
+	category_list "$1" |
+	while read cat
+	do
+		echo "	\"$cat\", /* (1UL << $bit) */"
+		bit=$(($bit+1))
+	done
+	echo "	NULL"
+	echo "};"
+}
+
+print_command_list () {
+	echo "static struct cmdname_help command_list[] = {"
+
+	command_list "$1" |
+	while read cmd rest
+	do
+		printf "	{ \"$cmd\", $(get_synopsis $cmd), 0"
+		for cat in $(echo "$rest" | get_categories)
+		do
+			printf " | CAT_$cat"
+		done
+		echo " },"
+	done
+	echo "};"
+}
+
+echo "/* Automatically generated by generate-cmdlist.sh */
+struct cmdname_help {
+	const char *name;
+	const char *help;
+	uint32_t category;
+};
+"
+define_categories "$1"
+echo
+define_category_names "$1"
+echo
+print_command_list "$1"