Files
git/lib/help.h
Patrick Steinhardt 9759608622 Move libgit.a sources into separate "lib/" directory
The Git project is not exactly the easiest project to get started in:
it's written in C and POSIX shell, with bits of Perl, Rust and other
languages sprinkled into it. On top of that, the project has grown
somewhat organically over time, making the codebase hard to navigate.

These are problems that we're aware of, and there have been and still
are efforts to clean up some of the technical debt that is natural to
exist an a project that is more than 20 years old. Furthermore, we
provide resources to newcomers that help them out like our coding
guidelines, code of conduct or "MyFirstContribution.adoc".

But there is a rather practical problem: finding your way around in our
project's tree is not easy. Doing a directory listing in the top-level
directory will present you with more than 550 files, which makes it
extremely hard for a newcomer to figure out what files they are even
supposed to look at. This makes the onboarding experience somewhat
harder than it really needs to be. This isn't only a problem for
newcomers though, as I myself struggle to find the files I am looking
for because of the sheer number of files.

Besides the problem of discoverability it also creates a problem of
structure. It is not obvious at all which files are part of "libgit.a"
and which files are only linked into our final executables. So while we
have this split in our build systems, that split is not evident at all
in our tree.

Introduce a new "lib/" directory and move all of our sources for
"libgit.a" into it to fix these issues. It makes the split we have
evident and reduces the number of files in our top-level tree from 550
files to ~80 files.

This is still a lot of files, but it's significantly easier to navigate
already. Furthermore, we can further iterate after this step and think
about introducing a better structure for remaining files, as well.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2026-06-22 10:58:23 -07:00

93 lines
3.3 KiB
C

#ifndef HELP_H
#define HELP_H
#include "string-list.h"
#include "strbuf.h"
struct cmdnames {
int alloc;
int cnt;
struct cmdname {
size_t len; /* also used for similarity index in help.c */
char name[FLEX_ARRAY];
} **names;
};
void cmdnames_release(struct cmdnames *cmds);
static inline void mput_char(char c, unsigned int num)
{
while (num--)
putchar(c);
}
void list_common_cmds_help(void);
void list_all_cmds_help(int show_external_commands, int show_aliases);
void list_guides_help(void);
void list_user_interfaces_help(void);
void list_developer_interfaces_help(void);
void list_all_main_cmds(struct string_list *list);
void list_all_other_cmds(struct string_list *list);
void list_cmds_by_category(struct string_list *list,
const char *category);
void list_cmds_by_config(struct string_list *list);
char *help_unknown_cmd(const char *cmd);
void load_command_list(const char *prefix,
struct cmdnames *main_cmds,
struct cmdnames *other_cmds);
void load_builtin_commands(const char *prefix, struct cmdnames *cmds);
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(struct cmdnames *main_cmds, struct cmdnames *other_cmds);
void get_version_info(struct strbuf *buf, int show_build_options);
/*
* call this to die(), when it is suspected that the user mistyped a
* ref to the command, to give suggested "correct" refs.
*/
NORETURN void help_unknown_ref(const char *ref, const char *cmd, const char *error);
static inline void list_config_item(struct string_list *list,
const char *prefix,
const char *str)
{
string_list_append_nodup(list, xstrfmt("%s.%s", prefix, str));
}
#define define_list_config_array(array) \
void list_config_##array(struct string_list *list, const char *prefix) \
{ \
for (size_t i = 0; i < ARRAY_SIZE(array); i++) \
if (array[i]) \
list_config_item(list, prefix, array[i]); \
} \
struct string_list
#define define_list_config_array_extra(array, values) \
void list_config_##array(struct string_list *list, const char *prefix) \
{ \
static const char *extra[] = values; \
for (size_t i = 0; i < ARRAY_SIZE(extra); i++) \
list_config_item(list, prefix, extra[i]); \
for (size_t i = 0; i < ARRAY_SIZE(array); i++) \
if (array[i]) \
list_config_item(list, prefix, array[i]); \
} \
struct string_list
/* These are actually scattered over many C files */
void list_config_advices(struct string_list *list, const char *prefix);
void list_config_color_branch_slots(struct string_list *list, const char *prefix);
void list_config_color_decorate_slots(struct string_list *list, const char *prefix);
void list_config_color_diff_slots(struct string_list *list, const char *prefix);
void list_config_color_grep_slots(struct string_list *list, const char *prefix);
void list_config_color_interactive_slots(struct string_list *list, const char *prefix);
void list_config_color_status_slots(struct string_list *list, const char *prefix);
void list_config_color_sideband_slots(struct string_list *list, const char *prefix);
void list_config_fsck_msg_ids(struct string_list *list, const char *prefix);
#endif /* HELP_H */