Merge branch 'nd/fetch-compact-update'

[thirdparty/git.git] / help.c

diff --git a/help.c b/help.c
index 96f6d221edc30c3bb8241032b837114693b53a53..ff05fd22dff064f0f872434d20d4ea1eacded07d 100644 (file)
--- a/help.c
+++ b/help.c
@@ -83,8 +83,9 @@ 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));
+                       mput_char(' ', longest > len ? longest - len : 1);
                        puts(_(cmds[i].help));
                }
        }
@@ -98,7 +99,8 @@ 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 +126,8 @@ 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 +311,7 @@ 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)
@@ -405,7 +409,7 @@ 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');
 }
 
@@ -494,9 +498,55 @@ void list_config_help(int for_human)
        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)