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help: move column config discovery to help.c library 

When a git_config() call was added in dbfae68969 (help: reuse
print_columns() for help -a, 2012-04-13) to read the column config
we'd always use the resulting "colopts" variable.

Then in 63eae83f8f (help: add "-a --verbose" to list all commands
with synopsis, 2018-05-20) we started only using the "colopts" config
under "--all" if "--no-verbose" was also given, but the "git_config()"
call was not moved inside the "verbose" branch of the code.

This change effectively does that, we'll only call list_commands()
under "--all --no-verbose", so let's have it look up the config it
needs. See 26c7d06783 (help -a: improve and make --verbose default, 2018-09-29) for another case in help.c where we look up config.

The get_colopts() function is named for consistency with the existing
get_alias() function added in 26c7d06783.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Ævar Arnfjörð Bjarmason 2021-09-22 00:40:39 +02:00 committed by Junio C Hamano
parent a9bacccae5
commit 06fa4db3f7
3 changed files with 16 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
builtin/help.c
View File

@ -7,7 +7,6 @@
#include "exec-cmd.h"
#include "parse-options.h"
#include "run-command.h"
#include "column.h"
#include "config-list.h"
#include "help.h"
#include "alias.h"
@ -50,7 +49,6 @@ static enum help_action {
static const char *html_path;
static int verbose = 1;
static unsigned int colopts;
static enum help_format help_format = HELP_FORMAT_NONE;
static int exclude_guides;
static struct option builtin_help_options[] = {
@ -384,8 +382,6 @@ static int add_man_viewer_info(const char *var, const char *value)
static int git_help_config(const char *var, const char *value, void *cb)
{
if (starts_with(var, "column."))
return git_column_config(var, value, "help", &colopts);
if (!strcmp(var, "help.format")) {
if (!value)
return config_error_nonbool(var);
@ -595,7 +591,6 @@ int cmd_help(int argc, const char **argv, const char *prefix)
switch (cmd_mode) {
case HELP_ACTION_ALL:
git_config(git_help_config, NULL);
if (verbose) {
setup_pager();
list_all_cmds_help();
@ -603,7 +598,7 @@ int cmd_help(int argc, const char **argv, const char *prefix)
}
printf(_("usage: %s%s"), _(git_usage_string), "\n\n");
load_command_list("git-", &main_cmds, &other_cmds);
list_commands(colopts, &main_cmds, &other_cmds);
list_commands(&main_cmds, &other_cmds);
printf("%s\n", _(git_more_info_string));
break;
case HELP_ACTION_GUIDES:

16
help.c
View File

@ -293,9 +293,21 @@ void load_command_list(const char *prefix,
exclude_cmds(other_cmds, main_cmds);
}
void list_commands(unsigned int colopts,
struct cmdnames *main_cmds, struct cmdnames *other_cmds)
static int get_colopts(const char *var, const char *value, void *data)
{
unsigned int *colopts = data;
if (starts_with(var, "column."))
return git_column_config(var, value, "help", colopts);
return 0;
}
void list_commands(struct cmdnames *main_cmds, struct cmdnames *other_cmds)
{
unsigned int colopts = 0;
git_config(get_colopts, &colopts);
if (main_cmds->cnt) {
const char *exec_path = git_exec_path();
printf_ln(_("available git commands in '%s'"), exec_path);

2
help.h
View File

@ -37,7 +37,7 @@ void add_cmdname(struct cmdnames *cmds, const char *name, int len);
/* Here we require that excludes is a sorted list. */
void exclude_cmds(struct cmdnames *cmds, struct cmdnames *excludes);
int is_in_cmdlist(struct cmdnames *cmds, const char *name);
void list_commands(unsigned int colopts, struct cmdnames *main_cmds, struct cmdnames *other_cmds);
void list_commands(struct cmdnames *main_cmds, struct cmdnames *other_cmds);
void get_version_info(struct strbuf *buf, int show_build_options);
/*