Merge branch 'jh/trace2-pretty-output'
[git/git.git] / generate-cmdlist.sh
1 #!/bin/sh
2
3 die () {
4 echo "$@" >&2
5 exit 1
6 }
7
8 command_list () {
9 eval "grep -ve '^#' $exclude_programs" <"$1"
10 }
11
12 get_categories () {
13 tr ' ' '\n'|
14 grep -v '^$' |
15 sort |
16 uniq
17 }
18
19 category_list () {
20 command_list "$1" |
21 cut -c 40- |
22 get_categories
23 }
24
25 get_synopsis () {
26 sed -n '
27 /^NAME/,/'"$1"'/H
28 ${
29 x
30 s/.*'"$1"' - \(.*\)/N_("\1")/
31 p
32 }' "Documentation/$1.txt"
33 }
34
35 define_categories () {
36 echo
37 echo "/* Command categories */"
38 bit=0
39 category_list "$1" |
40 while read cat
41 do
42 echo "#define CAT_$cat (1UL << $bit)"
43 bit=$(($bit+1))
44 done
45 test "$bit" -gt 32 && die "Urgh.. too many categories?"
46 }
47
48 define_category_names () {
49 echo
50 echo "/* Category names */"
51 echo "static const char *category_names[] = {"
52 bit=0
53 category_list "$1" |
54 while read cat
55 do
56 echo " \"$cat\", /* (1UL << $bit) */"
57 bit=$(($bit+1))
58 done
59 echo " NULL"
60 echo "};"
61 }
62
63 print_command_list () {
64 echo "static struct cmdname_help command_list[] = {"
65
66 command_list "$1" |
67 while read cmd rest
68 do
69 printf " { \"$cmd\", $(get_synopsis $cmd), 0"
70 for cat in $(echo "$rest" | get_categories)
71 do
72 printf " | CAT_$cat"
73 done
74 echo " },"
75 done
76 echo "};"
77 }
78
79 print_config_list () {
80 cat <<EOF
81 static const char *config_name_list[] = {
82 EOF
83 grep -h '^[a-zA-Z].*\..*::$' Documentation/*config.txt Documentation/config/*.txt |
84 sed '/deprecated/d; s/::$//; s/, */\n/g' |
85 sort |
86 while read line
87 do
88 echo " \"$line\","
89 done
90 cat <<EOF
91 NULL,
92 };
93 EOF
94 }
95
96 exclude_programs=
97 while test "--exclude-program" = "$1"
98 do
99 shift
100 exclude_programs="$exclude_programs -e \"^$1 \""
101 shift
102 done
103
104 echo "/* Automatically generated by generate-cmdlist.sh */
105 struct cmdname_help {
106 const char *name;
107 const char *help;
108 uint32_t category;
109 };
110 "
111 define_categories "$1"
112 echo
113 define_category_names "$1"
114 echo
115 print_command_list "$1"
116 echo
117 print_config_list