From 75643f7715d94f34aa1417156864d79897391e1f Mon Sep 17 00:00:00 2001
From: Tom Yu <tlyu@mit.edu>
Date: Fri, 30 Oct 2009 21:34:19 +0000
Subject: [PATCH] Tweak batch reindent some more.  Limit the initial bulk
 reindent, and refine the exception list somewhat.

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@23096 dc483132-0cff-0310-8789-dd5450dbe970
---
 src/Makefile.in                 | 34 +++++++++++++++++++--------
 src/util/krb5-batch-reindent.el | 41 ++++++++++++++++++++++++---------
 2 files changed, 54 insertions(+), 21 deletions(-)

diff --git a/src/Makefile.in b/src/Makefile.in
index f528472d5..4ed577330 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -667,16 +667,30 @@ reindent::
 	-l $(SRCTOP)/util/krb5-batch-reindent.el
 
 mark-cstyle::
-	$(FIND) $(SRCTOP) \( \
-	-path $(SRCTOP)/appl/bsd -o \
-	-path $(SRCTOP)/appl/gssftp -o \
-	-path $(SRCTOP)/appl/telnet -o \
-	-path $(SRCTOP)/include/gssrpc -o \
-	-path $(SRCTOP)/lib/crypto/krb/yarrow -o \
-	-path $(SRCTOP)/lib/rpc -o \
-	-path $(SRCTOP)/plugins/kdb/db2/libdb2 -o \
-	-path $(SRCTOP)/lib/krb5/unicode -o \
-	-path $(SRCTOP)/windows/wintel \
+	$(FIND) \
+	$(SRCTOP)/clients \
+	$(SRCTOP)/lib/kadm5 \
+	$(SRCTOP)/lib/kdb \
+	$(SRCTOP)/lib/krb5 \
+	$(SRCTOP)/kadmin \
+	$(SRCTOP)/kdc \
+	\( \
+	-path $(SRCTOP)/kadmin/cli/strftime.c -o \
+	-path $(SRCTOP)/kadmin/server/ipropd_svc.c -o \
+	-path $(SRCTOP)/kadmin/server/kadm_rpc_svc.c -o \
+	-path $(SRCTOP)/lib/kadm5/admin_xdr.h -o \
+	-path $(SRCTOP)/lib/kadm5/client/client_rpc.c -o \
+	-path $(SRCTOP)/lib/kadm5/kadm_rpc.h -o \
+	-path $(SRCTOP)/lib/kadm5/kadm_rpc_xdr.c -o \
+	-path $(SRCTOP)/lib/kadm5/srv/adm_xdr.c -o \
+	-path $(SRCTOP)/lib/krb5/asn.1 -o \
+	-path $(SRCTOP)/lib/krb5/ccche/cc_file.c -o \
+	-path $(SRCTOP)/lib/krb5/krb/deltat.c -o \
+	-path $(SRCTOP)/lib/krb5/krb/preauth.c -o \
+	-path $(SRCTOP)/lib/krb5/krb/ser_ctx.c -o \
+	-path $(SRCTOP)/lib/krb5/krb/strftime.c -o \
+	-path $(SRCTOP)/lib/krb5/krb/strptime.c -o \
+	-path $(SRCTOP)/lib/krb5/unicode \
 	\) -prune -o \
 	-name '*.[ch]' \
 	-print0 | $(XARGS) -0 $(EMACS) -q -batch \
diff --git a/src/util/krb5-batch-reindent.el b/src/util/krb5-batch-reindent.el
index 2a4c7682b..1fa82cc2a 100644
--- a/src/util/krb5-batch-reindent.el
+++ b/src/util/krb5-batch-reindent.el
@@ -3,21 +3,25 @@
     (error "to be used only with -batch"))
 ;; Avoid vc-mode interference.
 (setq vc-handled-backends nil)
+
+;; for debugging
+(defun report-tabs ()
+  (let ((tab-found (search-forward "\t" nil t)))
+    (if tab-found
+        (message "Tab found @%s." tab-found)
+      (message "No tabs found."))))
+
 (while command-line-args-left
   (let ((filename (car command-line-args-left))
-        (error nil)
-        ;; No backup files?
+        ;; No backup files; we have version control.
         (make-backup-files nil))
     (find-file filename)
+    (message "Read %s." filename)
 
-    ;; (goto-char (point-min))
-    ;; (if (looking-at "\\s-*/\\*\\s-*-\\*-.*-\\*-\\s-*\\*/\\s-*\n")
-    ;;  (delete-region (match-beginning 0) (match-end 0)))
-    ;; (insert "/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */\n")
-    ;; (normal-mode)
-
-    (if (eq indent-tabs-mode nil)
-        (untabify (point-min) (point-max)))
+    (if (not indent-tabs-mode)
+        (progn
+          (message "Untabifying...")
+          (untabify (point-min) (point-max))))
 
     ;; Only reindent if the file C style is guessed to be "krb5".
     ;; Note that krb5-c-style.el already has a heuristic for setting
@@ -26,7 +30,22 @@
     (if (equal c-indentation-style "krb5")
         (c-indent-region (point-min) (point-max)))
 
-    (whitespace-cleanup)
+    ;; Sometimes whitespace-cleanup gets its internals confused
+    ;; when whitespace-mode hasn't been activated on the buffer.
+    (let ((whitespace-indent-tabs-mode indent-tabs-mode)
+          (whitespace-style '(empty trailing)))
+      ;; Only clean up tab issues if indent-tabs-mode is explicitly
+      ;; set in the file local variables.
+      (if (assq 'indent-tabs-mode file-local-variables-alist)
+          (progn
+            (message "Enabling tab cleanups.")
+            (add-to-list 'whitespace-style 'indentation)
+            (add-to-list 'whitespace-style 'space-before-tab)
+            (add-to-list 'whitespace-style 'space-after-tab)))
+;;      (message "indent-tabs-mode=%s" indent-tabs-mode)
+      (setq tab-found (search-forward "\t" nil t))
+      (message "Cleaning whitespace...")
+      (whitespace-cleanup))
 
     (save-buffer)
     (kill-buffer)
-- 
2.26.2