common-cmds.h is used to extract the list of common commands (by
group) and a one-line summary of each command. Some information is
dropped, for example command category or summary of other commands.
Update generate-cmdlist.sh to keep all the information. The extra info
will be used shortly.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
generate-cmdlist.sh | 61 +++++++++++++++++++++++++++++++++------------
help.c | 42 ++++++++++++++++++++++++++-----
2 files changed, 81 insertions(+), 22 deletions(-)
diff --git a/generate-cmdlist.sh b/generate-cmdlist.sh
index eeea4b67ea..e0893e979a 100755
--- a/generate-cmdlist.sh
+++ b/generate-cmdlist.sh
@@ -1,17 +1,30 @@
#!/bin/sh
+# Don't let locale affect this script.
+LC_ALL=C
+LANG=C
+export LC_ALL LANG
+
+command_list () {
+ sed '1,/^### command list/d;/^#/d' "$1"
+}
+
+category_list () {
+ command_list "$1" | awk '{print $2;}' | sort | uniq
+}
+
echo "/* Automatically generated by generate-cmdlist.sh */
struct cmdname_help {
- char name[16];
+ char name[32];
char help[80];
- unsigned char group;
+ unsigned int category;
+ unsigned int group;
};
static const char *common_cmd_groups[] = {"
grps=grps$$.tmp
-match=match$$.tmp
-trap "rm -f '$grps' '$match'" 0 1 2 3 15
+trap "rm -f '$grps'" 0 1 2 3 15
sed -n '
1,/^### common groups/b
@@ -23,28 +36,44 @@ sed -n '
' "$1"
printf '};\n\n'
+echo "#define GROUP_NONE 0xff /* no common group */"
n=0
-substnum=
while read grp
do
- echo "^git-..*[ ]$grp"
- substnum="$substnum${substnum:+;}s/[ ]$grp/$n/"
+ echo "#define GROUP_${grp:-NONE} $n"
n=$(($n+1))
-done <"$grps" >"$match"
+done <"$grps"
+echo
+
+echo '/*'
+printf 'static const char *cmd_categories[] = {\n'
+category_list "$1" |
+while read category; do
+ printf '\t\"'$category'\",\n'
+done
+printf '\tNULL\n};\n\n'
+echo '*/'
+
+n=0
+category_list "$1" |
+while read category; do
+ echo "#define CAT_$category $n"
+ n=$(($n+1))
+done
+echo
-printf 'static struct cmdname_help common_cmds[] = {\n'
-grep -f "$match" "$1" |
-sed 's/^git-//' |
+printf 'static struct cmdname_help command_list[] = {\n'
+command_list "$1" |
sort |
-while read cmd tags
+while read cmd category tags
do
- tag=$(echo "$tags" | sed "$substnum; s/[^0-9]//g")
+ name=${cmd/git-}
sed -n '
- /^NAME/,/git-'"$cmd"'/H
+ /^NAME/,/'"$cmd"'/H
${
x
- s/.*git-'"$cmd"' - \(.*\)/ {"'"$cmd"'", N_("\1"), '$tag'},/
+ s/.*'"$cmd"' - \(.*\)/ {"'"$name"'", N_("\1"), CAT_'$category', GROUP_'${tags:-NONE}' },/
p
- }' "Documentation/git-$cmd.txt"
+ }' "Documentation/$cmd.txt"
done
echo "};"
diff --git a/help.c b/help.c
index e155c39870..b5da7fa013 100644
--- a/help.c
+++ b/help.c
@@ -190,6 +190,27 @@ void list_commands(unsigned int colopts,
}
}
+static void extract_common_cmds(struct cmdname_help **p_common_cmds,
+ int *p_nr)
+{
+ int i, nr = 0;
+ struct cmdname_help *common_cmds;
+
+ ALLOC_ARRAY(common_cmds, ARRAY_SIZE(command_list));
+
+ for (i = 0; i < ARRAY_SIZE(command_list); i++) {
+ const struct cmdname_help *cmd = command_list + i;
+
+ if (cmd->category != CAT_mainporcelain)
+ continue;
+
+ common_cmds[nr++] = *cmd;
+ }
+
+ *p_common_cmds = common_cmds;
+ *p_nr = nr;
+}
+
static int cmd_group_cmp(const void *elem1, const void *elem2)
{
const struct cmdname_help *e1 = elem1;
@@ -206,17 +227,21 @@ void list_common_cmds_help(void)
{
int i, longest = 0;
int current_grp = -1;
+ int nr = 0;
+ struct cmdname_help *common_cmds;
+
+ extract_common_cmds(&common_cmds, &nr);
- for (i = 0; i < ARRAY_SIZE(common_cmds); i++) {
+ for (i = 0; i < nr; i++) {
if (longest < strlen(common_cmds[i].name))
longest = strlen(common_cmds[i].name);
}
- QSORT(common_cmds, ARRAY_SIZE(common_cmds), cmd_group_cmp);
+ QSORT(common_cmds, nr, cmd_group_cmp);
puts(_("These are common Git commands used in various situations:"));
- for (i = 0; i < ARRAY_SIZE(common_cmds); i++) {
+ for (i = 0; i < nr; i++) {
if (common_cmds[i].group != current_grp) {
printf("\n%s\n", _(common_cmd_groups[common_cmds[i].group]));
current_grp = common_cmds[i].group;
@@ -226,6 +251,7 @@ void list_common_cmds_help(void)
mput_char(' ', longest - strlen(common_cmds[i].name));
puts(_(common_cmds[i].help));
}
+ free(common_cmds);
}
void list_all_cmds(void)
@@ -301,8 +327,9 @@ static const char bad_interpreter_advice[] =
const char *help_unknown_cmd(const char *cmd)
{
- int i, n, best_similarity = 0;
+ int i, n, best_similarity = 0, nr_common;
struct cmdnames main_cmds, other_cmds;
+ struct cmdname_help *common_cmds;
memset(&main_cmds, 0, sizeof(main_cmds));
memset(&other_cmds, 0, sizeof(other_cmds));
@@ -317,6 +344,8 @@ const char *help_unknown_cmd(const char *cmd)
QSORT(main_cmds.names, main_cmds.cnt, cmdname_compare);
uniq(&main_cmds);
+ extract_common_cmds(&common_cmds, &nr_common);
+
/* This abuses cmdname->len for levenshtein distance */
for (i = 0, n = 0; i < main_cmds.cnt; i++) {
int cmp = 0; /* avoid compiler stupidity */
@@ -331,10 +360,10 @@ const char *help_unknown_cmd(const char *cmd)
die(_(bad_interpreter_advice), cmd, cmd);
/* Does the candidate appear in common_cmds list? */
- while (n < ARRAY_SIZE(common_cmds) &&
+ while (n < nr_common &&
(cmp = strcmp(common_cmds[n].name, candidate)) < 0)
n++;
- if ((n < ARRAY_SIZE(common_cmds)) && !cmp) {
+ if ((n < nr_common) && !cmp) {
/* Yes, this is one of the common commands */
n++; /* use the entry from common_cmds[] */
if (starts_with(candidate, cmd)) {
@@ -347,6 +376,7 @@ const char *help_unknown_cmd(const char *cmd)
main_cmds.names[i]->len =
levenshtein(cmd, candidate, 0, 2, 1, 3) + 1;
}
+ FREE_AND_NULL(common_cmds);
QSORT(main_cmds.names, main_cmds.cnt, levenshtein_compare);
--
2.17.0.367.g5dd2e386c3
