freebsd-ports/shells/bash/files/xpatch-colonbreakswords
David E. O'Brien 51881237b8 Update to Bash 4.2 patchlevel 37.
PR:		170283
Submitted by:	Bryan Drewery <bryan@shatow.net>
2012-08-03 18:56:44 +00:00

173 lines
5.8 KiB
Text

--- bashline.c.orig 2009-01-08 06:29:24.000000000 -0800
+++ bashline.c 2012-07-30 15:07:10.000000000 -0500
@@ -235,6 +235,11 @@ int bash_readline_initialized = 0;
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;
@@ -252,7 +257,8 @@ int dircomplete_expand_relpath = 0;
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\\\"'@<>=;|&()#$`?*[!:{~"; /*}*/
static char *custom_filename_quote_characters = 0;
@@ -370,6 +376,80 @@ enable_hostname_completion (on_or_off)
return (old_value);
}
+/* When this function returns, rl_completer_word_break_characters points to
+ dynamically allocated memory. */
+int
+enable_colon_wordbreak (on_or_off)
+ int on_or_off;
+{
+ int old_value;
+ char *at, *nv, *nval;
+
+ old_value = colon_is_wordbreak;
+
+ if (on_or_off)
+ {
+ colon_is_wordbreak = 1;
+ rl_filename_quote_characters = default_filename_quote_characters;
+ }
+ else
+ {
+ colon_is_wordbreak = 0;
+ rl_filename_quote_characters = " \t\n\\\"'@<>=;|&()#$`?*[!{~"; /*}*/
+ }
+
+ /* 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 ()
@@ -538,8 +618,13 @@ initialize_readline ()
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;
rl_filename_quoting_function = bash_quote_filename;
rl_filename_dequoting_function = bash_dequote_filename;
--- builtins/shopt.def.orig 2009-01-13 05:43:16.000000000 -0800
+++ builtins/shopt.def 2009-03-08 01:03:39.000000000 -0800
@@ -96,6 +97,8 @@ extern int force_fignore;
extern int dircomplete_spelling;
extern int enable_hostname_completion __P((int));
+extern int colon_is_wordbreak;
+extern int enable_colon_wordbreak __P((int));
#endif
#if defined (PROGRAMMABLE_COMPLETION)
@@ -147,6 +150,9 @@ static struct {
#if defined (READLINE)
{ "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 2009-03-08 00:53:01.000000000 -0800
+++ doc/bash.1 2009-03-08 01:05:32.000000000 -0800
@@ -8473,6 +8473,18 @@ attempts to save all lines of a multiple
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 2009-03-08 00:53:01.000000000 -0800
+++ doc/bashref.texi 2009-03-08 01:07:00.000000000 -0800
@@ -4321,6 +4321,11 @@ attempts to save all lines of a multiple
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.
+