Make the . builtin have a more useful (and posix-compatible) exit status

darcs-hash:20071005145808-75c98-17100c1e321b8bca06f75e900db1386451232f98.gz

builtin.c

@@ -2832,6 +2832,10 @@ static int builtin_source( wchar_t ** argv )
 			   argv[0],
 			   fn_intern == L"-" ? L"<stdin>" : fn_intern );
 	}
+	else
+	{
+		res = proc_get_last_status();
+	}
 	
 	/*
 	  Do not close fd after calling reader_read. reader_read

doc_src/source.txt

@@ -16,6 +16,10 @@ variable.
 If no file is specified, or if the file name '-' is used, stdin will
 be read.
 
+The return status of . is the return status of the last job to
+execute. If something goes wrong while opening or reading the file,
+. exits with a non-zero status.
+
 \subsection source-example Example
 
 <tt>. ~/.fish</tt>