Merge branch 'maint'
[gitweb.git] / help.c
diff --git a/help.c b/help.c
index cbbe966f685b276cac702bb0fd9a44bfbf5f0e79..69d483d8d3b7e109345b1e8124df6b023ed312fb 100644 (file)
--- a/help.c
+++ b/help.c
@@ -4,28 +4,8 @@
 #include "levenshtein.h"
 #include "help.h"
 #include "common-cmds.h"
-
-/* most GUI terminals set COLUMNS (although some don't export it) */
-static int term_columns(void)
-{
-       char *col_string = getenv("COLUMNS");
-       int n_cols;
-
-       if (col_string && (n_cols = atoi(col_string)) > 0)
-               return n_cols;
-
-#ifdef TIOCGWINSZ
-       {
-               struct winsize ws;
-               if (!ioctl(1, TIOCGWINSZ, &ws)) {
-                       if (ws.ws_col)
-                               return ws.ws_col;
-               }
-       }
-#endif
-
-       return 80;
-}
+#include "string-list.h"
+#include "column.h"
 
 void add_cmdname(struct cmdnames *cmds, const char *name, int len)
 {
@@ -92,31 +72,25 @@ 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)
@@ -225,34 +199,21 @@ void load_command_list(const char *prefix,
        exclude_cmds(other_cmds, main_cmds);
 }
 
-void list_commands(const char *title, 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("available %s in '%s'\n", title, exec_path);
-               printf("----------------");
-               mput_char('-', strlen(title) + strlen(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("%s available from elsewhere on your $PATH\n", title);
-               printf("---------------------------------------");
-               mput_char('-', strlen(title));
+               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');
        }
 }
@@ -363,7 +324,7 @@ const char *help_unknown_cmd(const char *cmd)
              sizeof(*main_cmds.names), levenshtein_compare);
 
        if (!main_cmds.cnt)
-               die ("Uh oh. Your system reports no Git commands at all.");
+               die(_("Uh oh. Your system reports no Git commands at all."));
 
        /* skip and count prefix matches */
        for (n = 0; n < main_cmds.cnt && !main_cmds.names[n]->len; n++)
@@ -384,23 +345,26 @@ const char *help_unknown_cmd(const char *cmd)
                const char *assumed = main_cmds.names[0]->name;
                main_cmds.names[0] = NULL;
                clean_cmdnames(&main_cmds);
-               fprintf(stderr, "WARNING: You called a Git command named '%s', "
-                       "which does not exist.\n"
-                       "Continuing under the assumption that you meant '%s'\n",
+               fprintf_ln(stderr,
+                          _("WARNING: You called a Git command named '%s', "
+                            "which does not exist.\n"
+                            "Continuing under the assumption that you meant '%s'"),
                        cmd, assumed);
                if (autocorrect > 0) {
-                       fprintf(stderr, "in %0.1f seconds automatically...\n",
+                       fprintf_ln(stderr, _("in %0.1f seconds automatically..."),
                                (float)autocorrect/10.0);
                        poll(NULL, 0, autocorrect * 100);
                }
                return assumed;
        }
 
-       fprintf(stderr, "git: '%s' is not a git command. See 'git --help'.\n", cmd);
+       fprintf_ln(stderr, _("git: '%s' is not a git command. See 'git --help'."), cmd);
 
        if (SIMILAR_ENOUGH(best_similarity)) {
-               fprintf(stderr, "\nDid you mean %s?\n",
-                       n < 2 ? "this": "one of these");
+               fprintf_ln(stderr,
+                          Q_("\nDid you mean this?",
+                             "\nDid you mean one of these?",
+                          n));
 
                for (i = 0; i < n; i++)
                        fprintf(stderr, "\t%s\n", main_cmds.names[i]->name);