freebsd-ports/shells/bash/files/extrapatch-colonbreakswords

--- bashline.c.orig	2014-03-02 13:26:23.000000000 -0500
+++ bashline.c	2014-03-02 13:30:09.000000000 -0500
@@ -255,6 +255,11 @@
    host list. */
 int perform_hostname_completion = 1;
 
+/* If non-zero, we do hostname completion, breaking words at `@' and
+   trying to complete the stuff after the `@' from our own internal
+   host list. */
+int colon_is_wordbreak = 1;
+
 /* If non-zero, we don't do command completion on an empty line. */
 int no_empty_command_completion;
 
@@ -284,7 +289,8 @@
 
 static char *bash_completer_word_break_characters = " \t\n\"'@><=;|&(:";
 static char *bash_nohostname_word_break_characters = " \t\n\"'><=;|&(:";
-/* )) */
+static char *bash_nocolon_word_break_characters = " \t\n\"'@><=;|&(";
+/* ))) */
 
 static const char *default_filename_quote_characters = " \t\n\\\"'@<>=;|&()#$`?*[!:{~";	/*}*/
 static char *custom_filename_quote_characters = 0;
@@ -403,6 +409,80 @@
   return (old_value);
 }
 
+/* When this function returns, rl_completer_word_break_characters points to
+   dynamically allocated memory. */
+int
+enable_colon_wordbreak (on_or_off)
+     int on_or_off;
+{
+  int old_value;
+  char *at, *nv, *nval;
+
+  old_value = colon_is_wordbreak;
+
+  if (on_or_off)
+    {
+      colon_is_wordbreak = 1;
+      rl_filename_quote_characters = default_filename_quote_characters;
+    }
+  else
+    {
+      colon_is_wordbreak = 0;
+      rl_filename_quote_characters = " \t\n\\\"'@<>=;|&()#$`?*[!{~";   /*}*/
+    }
+
+  /* Now we need to figure out how to appropriately modify and assign
+     rl_completer_word_break_characters depending on whether we want
+     the colon to be a word break or not. */
+
+  /* If this is the first time this has been called
+     (bash_readline_initialized == 0), use the sames values as before, but
+     allocate new memory for rl_completer_word_break_characters. */
+
+  if (bash_readline_initialized == 0 &&
+      (rl_completer_word_break_characters == 0 ||
+       rl_completer_word_break_characters == rl_basic_word_break_characters))
+    {
+      if (on_or_off)
+       rl_completer_word_break_characters = savestring (bash_completer_word_break_characters);
+      else
+       rl_completer_word_break_characters = savestring (bash_nocolon_word_break_characters);
+    }
+  else
+    {
+      /* See if we have anything to do. */
+      at = strchr (rl_completer_word_break_characters, ':');
+      if ((at == 0 && on_or_off == 0) || (at != 0 && on_or_off != 0))
+        return old_value;
+
+      /* We have something to do.  Do it. */
+      nval = (char *)xmalloc (strlen (rl_completer_word_break_characters) + 1 + on_or_off);
+
+      if (on_or_off == 0)
+       {
+         /* Turn it off -- just remove `:' from word break chars.  We want
+            to remove all occurrences of `:' from the char list, so we loop
+            rather than just copy the rest of the list over AT. */
+         for (nv = nval, at = rl_completer_word_break_characters; *at; )
+           if (*at != ':')
+             *nv++ = *at++;
+           else
+             at++;
+         *nv = '\0';
+       }
+      else
+       {
+         nval[0] = ':';
+         strcpy (nval + 1, rl_completer_word_break_characters);
+        }
+
+      free (rl_completer_word_break_characters);
+      rl_completer_word_break_characters = nval;
+    }
+
+  return (old_value);
+}
+
 /* Called once from parse.y if we are going to use readline. */
 void
 initialize_readline ()
@@ -573,8 +653,13 @@
      completion is enabled. */
   enable_hostname_completion (perform_hostname_completion);
 
+  /* This sets rl_completer_word_break_characters and rl_filename_quote_characters
+     to the appropriate values, depending on whether or not a colon
+     should break completion words or not. */
+  enable_colon_wordbreak (colon_is_wordbreak);
+
   /* characters that need to be quoted when appearing in filenames. */
-  rl_filename_quote_characters = default_filename_quote_characters;
+//  rl_filename_quote_characters = default_filename_quote_characters;
   set_filename_bstab (rl_filename_quote_characters);
 
   rl_filename_quoting_function = bash_quote_filename;
--- builtins/shopt.def.orig	2014-03-02 13:30:44.000000000 -0500
+++ builtins/shopt.def	2014-03-02 13:31:38.000000000 -0500
@@ -103,6 +103,8 @@
 extern int complete_fullquote;
 
 extern int enable_hostname_completion __P((int));
+extern int colon_is_wordbreak;
+extern int enable_colon_wordbreak __P((int));
 #endif
 
 #if defined (PROGRAMMABLE_COMPLETION)
@@ -166,6 +168,9 @@
   { "direxpand", &dircomplete_expand, shopt_set_complete_direxpand },
   { "dirspell", &dircomplete_spelling, (shopt_set_func_t *)NULL },
 #endif
+#if defined (READLINE)
+  { "colonbreakswords", &colon_is_wordbreak, enable_colon_wordbreak },
+#endif
   { "dotglob", &glob_dot_filenames, (shopt_set_func_t *)NULL },
   { "execfail", &no_exit_on_failed_exec, (shopt_set_func_t *)NULL },
   { "expand_aliases", &expand_aliases, (shopt_set_func_t *)NULL },
--- doc/bash.1.orig	2014-03-02 13:32:14.000000000 -0500
+++ doc/bash.1	2014-03-02 13:32:40.000000000 -0500
@@ -9252,6 +9252,18 @@
 command in the same history entry.  This allows
 easy re-editing of multi-line commands.
 .TP 8
+.B colonbreakswords
+If set, and
+.B readline
+is being used, \fBbash\fP will treat \fB:\fP as
+separating word being completed (see
+.B Completing
+under
+.SM
+.B READLINE
+above).
+This is enabled by default.
+.TP 8
 .B compat31
 If set,
 .B bash
--- doc/bashref.texi.orig	2014-03-02 13:33:17.000000000 -0500
+++ doc/bashref.texi	2014-03-02 13:33:44.000000000 -0500
@@ -4937,6 +4937,11 @@
 command in the same history entry.  This allows
 easy re-editing of multi-line commands.
 
+@item colonbreakswords
+If set, and Readline is being used, Bash will treat @samp{:} as
+separating word being completed (@pxref{Commands For Completion}).
+This option is enabled by default.
+
 @item compat31
 If set, Bash
 changes its behavior to that of version 3.1 with respect to quoted