From 537ab32dd99992e12b7edac7ad2be82a6710a39a Mon Sep 17 00:00:00 2001
From: liljencrantz <liljencrantz@gmail.com>
Date: Tue, 15 Jan 2008 08:31:24 +1000
Subject: [PATCH] Add support for the Ubuntu 'command-no-found' handler, which
 suggests a package to install in order to get a command.

darcs-hash:20080114223124-75c98-ab1658d54086394cf13f3a6210543c0b790362c4.gz
---
 event.c                                        | 11 ++++++++++-
 event.h                                        |  3 ++-
 parser.c                                       |  1 +
 share/functions/__fish_config_interactive.fish |  6 ++++++
 4 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/event.c b/event.c
index 03d87c04e..38ef9a730 100644
--- a/event.c
+++ b/event.c
@@ -704,9 +704,11 @@ void event_free( event_t *e )
 }
 
 
-void event_fire_generic(const wchar_t *name)
+void event_fire_generic_internal(const wchar_t *name, ...)
 {
 	event_t ev;
+	va_list va;
+	wchar_t *arg;
 
 	CHECK( name, );
 	
@@ -715,6 +717,13 @@ void event_fire_generic(const wchar_t *name)
 	ev.function_name=0;
 	
 	al_init( &ev.arguments );
+	va_start( va, name );
+	while( (arg=va_arg(va, wchar_t *) )!= 0 )
+	{
+		al_push( &ev.arguments, arg );
+	}
+	va_end( va );
+	
 	event_fire( &ev );
 }
 
diff --git a/event.h b/event.h
index 0964cab1f..6e3423c65 100644
--- a/event.h
+++ b/event.h
@@ -164,7 +164,8 @@ const wchar_t *event_get_desc( event_t *e );
 /**
    Fire a generic event with the specified name
 */
-void event_fire_generic(const wchar_t *name);
+#define event_fire_generic( ... ) event_fire_generic_internal( __VA_ARGS__, (void *)0 )
 
+void event_fire_generic_internal(const wchar_t *name,...);
 
 #endif
diff --git a/parser.c b/parser.c
index 4e1bf6b34..7a22f8a0b 100644
--- a/parser.c
+++ b/parser.c
@@ -2086,6 +2086,7 @@ static int parse_job( process_t *p,
 						current_tokenizer_pos=tmp;
 
 						job_set_flag( j, JOB_SKIP, 1 );
+						event_fire_generic(L"fish_command_not_found", (wchar_t *)al_get( args, 0 ) );
 						proc_set_last_status( err==ENOENT?STATUS_UNKNOWN_COMMAND:STATUS_NOT_EXECUTABLE );
 					}
 				}
diff --git a/share/functions/__fish_config_interactive.fish b/share/functions/__fish_config_interactive.fish
index 28365bd81..82764535c 100644
--- a/share/functions/__fish_config_interactive.fish
+++ b/share/functions/__fish_config_interactive.fish
@@ -209,5 +209,11 @@ function __fish_config_interactive -d "Initializations that should be performed
 		commandline -f repaint
 	end
 
+	if test -f /usr/lib/command-not-found $argv
+		function fish_command_not_found_handler --on-event fish_command_not_found
+			/usr/lib/command-not-found $argv
+                end
+	end
+
 end