diff options
Diffstat (limited to 'help.c')
| -rw-r--r-- | help.c | 158 |
1 files changed, 144 insertions, 14 deletions
@@ -83,8 +83,10 @@ static void print_command_list(const struct cmdname_help *cmds, for (i = 0; cmds[i].name; i++) { if (cmds[i].category & mask) { + size_t len = strlen(cmds[i].name); printf(" %s ", cmds[i].name); - mput_char(' ', longest - strlen(cmds[i].name)); + if (longest > len) + mput_char(' ', longest - len); puts(_(cmds[i].help)); } } @@ -98,7 +100,8 @@ static int cmd_name_cmp(const void *elem1, const void *elem2) return strcmp(e1->name, e2->name); } -static void print_cmd_by_category(const struct category_description *catdesc) +static void print_cmd_by_category(const struct category_description *catdesc, + int *longest_p) { struct cmdname_help *cmds; int longest = 0; @@ -124,6 +127,8 @@ static void print_cmd_by_category(const struct category_description *catdesc) print_command_list(cmds, mask, longest); } free(cmds); + if (longest_p) + *longest_p = longest; } void add_cmdname(struct cmdnames *cmds, const char *name, int len) @@ -307,7 +312,7 @@ void list_commands(unsigned int colopts, void list_common_cmds_help(void) { puts(_("These are common Git commands used in various situations:")); - print_cmd_by_category(common_categories); + print_cmd_by_category(common_categories, NULL); } void list_all_main_cmds(struct string_list *list) @@ -370,13 +375,6 @@ void list_cmds_by_config(struct string_list *list) { const char *cmd_list; - /* - * There's no actual repository setup at this point (and even - * if there is, we don't really care; only global config - * matters). If we accidentally set up a repository, it's ok - * too since the caller (git --list-cmds=) should exit shortly - * anyway. - */ if (git_config_get_string_const("completion.commands", &cmd_list)) return; @@ -388,8 +386,8 @@ void list_cmds_by_config(struct string_list *list) const char *p = strchrnul(cmd_list, ' '); strbuf_add(&sb, cmd_list, p - cmd_list); - if (*cmd_list == '-') - string_list_remove(list, cmd_list + 1, 0); + if (sb.buf[0] == '-') + string_list_remove(list, sb.buf + 1, 0); else string_list_insert(list, sb.buf); strbuf_release(&sb); @@ -405,13 +403,144 @@ void list_common_guides_help(void) { CAT_guide, N_("The common Git guides are:") }, { 0, NULL } }; - print_cmd_by_category(catdesc); + print_cmd_by_category(catdesc, NULL); putchar('\n'); } +struct slot_expansion { + const char *prefix; + const char *placeholder; + void (*fn)(struct string_list *list, const char *prefix); + int found; +}; + +void list_config_help(int for_human) +{ + struct slot_expansion slot_expansions[] = { + { "advice", "*", list_config_advices }, + { "color.branch", "<slot>", list_config_color_branch_slots }, + { "color.decorate", "<slot>", list_config_color_decorate_slots }, + { "color.diff", "<slot>", list_config_color_diff_slots }, + { "color.grep", "<slot>", list_config_color_grep_slots }, + { "color.interactive", "<slot>", list_config_color_interactive_slots }, + { "color.remote", "<slot>", list_config_color_sideband_slots }, + { "color.status", "<slot>", list_config_color_status_slots }, + { "fsck", "<msg-id>", list_config_fsck_msg_ids }, + { "receive.fsck", "<msg-id>", list_config_fsck_msg_ids }, + { NULL, NULL, NULL } + }; + const char **p; + struct slot_expansion *e; + struct string_list keys = STRING_LIST_INIT_DUP; + int i; + + for (p = config_name_list; *p; p++) { + const char *var = *p; + struct strbuf sb = STRBUF_INIT; + + for (e = slot_expansions; e->prefix; e++) { + + strbuf_reset(&sb); + strbuf_addf(&sb, "%s.%s", e->prefix, e->placeholder); + if (!strcasecmp(var, sb.buf)) { + e->fn(&keys, e->prefix); + e->found++; + break; + } + } + strbuf_release(&sb); + if (!e->prefix) + string_list_append(&keys, var); + } + + for (e = slot_expansions; e->prefix; e++) + if (!e->found) + BUG("slot_expansion %s.%s is not used", + e->prefix, e->placeholder); + + string_list_sort(&keys); + for (i = 0; i < keys.nr; i++) { + const char *var = keys.items[i].string; + const char *wildcard, *tag, *cut; + + if (for_human) { + puts(var); + continue; + } + + wildcard = strchr(var, '*'); + tag = strchr(var, '<'); + + if (!wildcard && !tag) { + puts(var); + continue; + } + + if (wildcard && !tag) + cut = wildcard; + else if (!wildcard && tag) + cut = tag; + else + cut = wildcard < tag ? wildcard : tag; + + /* + * We may produce duplicates, but that's up to + * git-completion.bash to handle + */ + printf("%.*s\n", (int)(cut - var), var); + } + string_list_clear(&keys, 0); +} + +static int get_alias(const char *var, const char *value, void *data) +{ + struct string_list *list = data; + + if (skip_prefix(var, "alias.", &var)) + string_list_append(list, var)->util = xstrdup(value); + + return 0; +} + void list_all_cmds_help(void) { - print_cmd_by_category(main_categories); + struct string_list others = STRING_LIST_INIT_DUP; + struct string_list alias_list = STRING_LIST_INIT_DUP; + struct cmdname_help *aliases; + int i, longest; + + printf_ln(_("See 'git help <command>' to read about a specific subcommand")); + print_cmd_by_category(main_categories, &longest); + + list_all_other_cmds(&others); + if (others.nr) + printf("\n%s\n", _("External commands")); + for (i = 0; i < others.nr; i++) + printf(" %s\n", others.items[i].string); + string_list_clear(&others, 0); + + git_config(get_alias, &alias_list); + string_list_sort(&alias_list); + + for (i = 0; i < alias_list.nr; i++) { + size_t len = strlen(alias_list.items[i].string); + if (longest < len) + longest = len; + } + + if (alias_list.nr) { + printf("\n%s\n", _("Command aliases")); + ALLOC_ARRAY(aliases, alias_list.nr + 1); + for (i = 0; i < alias_list.nr; i++) { + aliases[i].name = alias_list.items[i].string; + aliases[i].help = alias_list.items[i].util; + aliases[i].category = 1; + } + aliases[alias_list.nr].name = NULL; + print_command_list(aliases, 1, longest); + free(aliases); + } + string_list_clear(&alias_list, 1); } int is_in_cmdlist(struct cmdnames *c, const char *s) @@ -609,6 +738,7 @@ int cmd_version(int argc, const char **argv, const char *prefix) else printf("no commit associated with this build\n"); printf("sizeof-long: %d\n", (int)sizeof(long)); + printf("sizeof-size_t: %d\n", (int)sizeof(size_t)); /* NEEDSWORK: also save and output GIT-BUILD_OPTIONS? */ } return 0; |