From 573cefee88f6e45bb3d8f7cd363ad5c99b5276ba Mon Sep 17 00:00:00 2001
From: Simon Josefsson <simon@josefsson.org>
Date: Thu, 22 Apr 2010 11:04:21 +0200
Subject: [PATCH] top/maint.mk (sc_prohibit_backup_files): Prohibit checked in
 backup files.

---
 ChangeLog    | 5 +++++
 top/maint.mk | 6 ++++++
 2 files changed, 11 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 64948d704..3f7a7260b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2010-04-22  Simon Josefsson  <simon@josefsson.org>
+
+	* top/maint.mk (sc_prohibit_backup_files): Prohibit checked in
+	backup files.
+
 2010-04-21  Simon Josefsson  <simon@josefsson.org>
 
 	* tests/test-vasprintf.c: Test %08lx.
diff --git a/top/maint.mk b/top/maint.mk
index f646e4376..33803f325 100644
--- a/top/maint.mk
+++ b/top/maint.mk
@@ -645,6 +645,12 @@ sc_useless_cpp_parens:
 	halt='found useless parentheses in cpp directive'		\
 	  $(_sc_search_regexp)
 
+# Prohibit checked in backup files.
+sc_prohibit_backup_files:
+	@$(VC_LIST) | grep '~$$' &&				\
+	  { echo '$(ME): found version controlled backup file' 1>&2;	\
+	    exit 1; } || :
+
 # Require the latest GPL.
 sc_GPL_version:
 	@prohibit='either ''version [^3]'				\
-- 
2.11.0