config: write to $XDG_CONFIG_HOME/git/config file when appropriate

diff --git a/help.c b/help.c
index a39b7bf8971e3ea54f0e0c0f675b3613b156eecd..662349dd56fd31d2ea2635657887640f43ce947c 100644 (file)
--- a/help.c
+++ b/help.c
@@ -4,6 +4,9 @@
 #include "levenshtein.h"
 #include "help.h"
 #include "common-cmds.h"
+#include "string-list.h"
+#include "column.h"
+#include "version.h"
 
 void add_cmdname(struct cmdnames *cmds, const char *name, int len)
 {
@@ -70,31 +73,25 @@ void exclude_cmds(struct cmdnames *cmds, struct cmdnames *excludes)
        cmds->cnt = cj;
 }
 
-static void pretty_print_string_list(struct cmdnames *cmds, int longest)
+static void pretty_print_string_list(struct cmdnames *cmds,
+                                    unsigned int colopts)
 {
-       int cols = 1, rows;
-       int space = longest + 1; /* min 1 SP between words */
-       int max_cols = term_columns() - 1; /* don't print *on* the edge */
-       int i, j;
-
-       if (space < max_cols)
-               cols = max_cols / space;
-       rows = DIV_ROUND_UP(cmds->cnt, cols);
-
-       for (i = 0; i < rows; i++) {
-               printf("  ");
+       struct string_list list = STRING_LIST_INIT_NODUP;
+       struct column_options copts;
+       int i;
 
-               for (j = 0; j < cols; j++) {
-                       int n = j * rows + i;
-                       int size = space;
-                       if (n >= cmds->cnt)
-                               break;
-                       if (j == cols-1 || n + rows >= cmds->cnt)
-                               size = 1;
-                       printf("%-*s", size, cmds->names[n]->name);
-               }
-               putchar('\n');
-       }
+       for (i = 0; i < cmds->cnt; i++)
+               string_list_append(&list, cmds->names[i]->name);
+       /*
+        * always enable column display, we only consult column.*
+        * about layout strategy and stuff
+        */
+       colopts = (colopts & ~COL_ENABLE_MASK) | COL_ENABLED;
+       memset(&copts, 0, sizeof(copts));
+       copts.indent = "  ";
+       copts.padding = 2;
+       print_columns(&list, colopts, &copts);
+       string_list_clear(&list, 0);
 }
 
 static int is_executable(const char *name)
@@ -203,29 +200,21 @@ void load_command_list(const char *prefix,
        exclude_cmds(other_cmds, main_cmds);
 }
 
-void list_commands(struct cmdnames *main_cmds, struct cmdnames *other_cmds)
+void list_commands(unsigned int colopts,
+                  struct cmdnames *main_cmds, struct cmdnames *other_cmds)
 {
-       int i, longest = 0;
-
-       for (i = 0; i < main_cmds->cnt; i++)
-               if (longest < main_cmds->names[i]->len)
-                       longest = main_cmds->names[i]->len;
-       for (i = 0; i < other_cmds->cnt; i++)
-               if (longest < other_cmds->names[i]->len)
-                       longest = other_cmds->names[i]->len;
-
        if (main_cmds->cnt) {
                const char *exec_path = git_exec_path();
                printf_ln(_("available git commands in '%s'"), exec_path);
                putchar('\n');
-               pretty_print_string_list(main_cmds, longest);
+               pretty_print_string_list(main_cmds, colopts);
                putchar('\n');
        }
 
        if (other_cmds->cnt) {
                printf_ln(_("git commands available from elsewhere on your $PATH"));
                putchar('\n');
-               pretty_print_string_list(other_cmds, longest);
+               pretty_print_string_list(other_cmds, colopts);
                putchar('\n');
        }
 }
@@ -329,7 +318,7 @@ const char *help_unknown_cmd(const char *cmd)
                }
 
                main_cmds.names[i]->len =
-                       levenshtein(cmd, candidate, 0, 2, 1, 4) + 1;
+                       levenshtein(cmd, candidate, 0, 2, 1, 3) + 1;
        }
 
        qsort(main_cmds.names, main_cmds.cnt,