# HG changeset patch
# User Simon Josefsson <simon@josefsson.org>
# Date 1271927061 -7200
# Node ID 51e653bb55dd6afa37f9f9f73f7cd38511e9d2ba
# Parent  4a27549ddb0e519adc8b62685e39be5ec2f7912b
top/maint.mk (sc_prohibit_backup_files): Prohibit checked in backup files.

diff --git a/ChangeLog b/ChangeLog
--- 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
--- a/top/maint.mk
+++ b/top/maint.mk
@@ -645,6 +645,12 @@
 	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]'				\