Added RCS and CVS to default exclude list.

git-svn-id: svn://svn.code.sf.net/p/ctags/code/trunk@64 c5d04d22-be80-434c-894e-aa346cc9e8e8

NEWS

@@ -1,7 +1,8 @@
 Current Version: @@VERSION@@
 
-ctags-5.2.1 (Tue Jan 01 2002)
+ctags-5.2.1 (Thu Jan 03 2002)
 * Portabilitiy fixes [Mingw32].
+* Added "RCS" and "CVS" to list of directories excluded by default.
 
 ctags-5.2 (Sun Dec 23 2001)
 * Portabilitiy fixes [HP-UX, Solaris, VMS, OS/2].

ctags.1

@@ -389,9 +389,10 @@ simple textual comparison.
 If \fIpattern\fP begins with the character '@', then the rest of the string
 is interpreted as a file name from which to read exclusion patterns, one per
 line. If \fIpattern\fP is empty, the list of excluded patterns is cleared.
-Note that at program startup, the exclude list contains "EIFGEN" and "SCCS"
-by default, which are directories for which it is generally not desirable to
-descend.
+Note that at program startup, the default exclude list contains "EIFGEN",
+"SCCS", "RCS", and "CVS", which are names of directories for which it is
+generally not desirable to descend while processing the \fB--recurse\fP
+option.
 
 .TP 5
 \fB--excmd\fP=\fItype\fP

main.c

@@ -896,13 +896,15 @@ extern void processExcludeOption (const char *const __unused__ option,
 	    Excluded = sl;
 	else
 	    stringListCombine (Excluded, sl);
+	verbose ("    adding exclude patterns from %s\n", parameter + 1);
     }
     else
     {
 	vString *const item = vStringNewInit (parameter);
 	if (Excluded == NULL)
 	    Excluded = stringListNew ();
 	stringListAdd (Excluded, item);
+	verbose ("    adding exclude pattern: %s\n", parameter);
     }
 }
 
@@ -1347,10 +1349,6 @@ extern int main (int __unused__ argc, char **argv)
     setExecutableName (*argv++);
     checkRegex ();
 
-    /* always excluded by default */
-    processExcludeOption (NULL, "EIFGEN");
-    processExcludeOption (NULL, "SCCS");
-
     args = cArgNewFromArgv (argv);
     previewFirstOption (args);
     testEtagsInvocation ();

options.c

@@ -1609,8 +1609,16 @@ extern void initOptions (void)
     OptionFiles = stringListNew ();
     verbose ("Setting option defaults\n");
     installHeaderListDefaults ();
-    verbose ("    Installing default language mappings:\n");
+    verbose ("  Installing default language mappings:\n");
     installLanguageMapDefaults ();
+
+    /* always excluded by default */
+    verbose ("  Installing default exclude patterns:\n");
+    processExcludeOption (NULL, "EIFGEN");
+    processExcludeOption (NULL, "SCCS");
+    processExcludeOption (NULL, "RCS");
+    processExcludeOption (NULL, "CVS");
+
 }
 
 extern void freeOptionResources (void)