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help: add --config to list all available config

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Sometimes it helps to list all available config vars so the user can
search for something they want. The config man page can also be used
but it's harder to search if you want to focus on the variable name,
for example.

This is not the best way to collect the available config since it's
not precise. Ideally we should have a centralized list of config in C
code (pretty much like 'struct option'), but that's a lot more work.
This will do for now.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Nguyễn Thái Ngọc Duy
2018-05-26 15:55:24 +02:00
committed by Junio C Hamano
parent a46baac61e
commit 3ac68a93fd
13 changed files with 172 additions and 1 deletions
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3
builtin/branch.c
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@ -22,6 +22,7 @@
#include "wt-status.h"
#include "ref-filter.h"
#include "worktree.h"
#include "help.h"
static const char * const builtin_branch_usage[] = {
N_("git branch [<options>] [-r | -a] [--merged | --no-merged]"),
@ -67,6 +68,8 @@ static const char *color_branch_slots[] = {
static struct string_list output = STRING_LIST_INIT_DUP;
static unsigned int colopts;
define_list_config_array(color_branch_slots);
static int git_branch_config(const char *var, const char *value, void *cb)
{
const char *slot_name;