From 7bdaf30d597a19c80ceead9dfc544af6fb88b1ed Mon Sep 17 00:00:00 2001
From: vapier <vapier>
Date: Tue, 21 Jul 2015 02:28:16 +0000
Subject: detect & warn & filter out duplicate locale generation entries
 #550884 by Toralf Förster
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---
 locale-gen | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

(limited to 'locale-gen')

diff --git a/locale-gen b/locale-gen
index cae26e3..0122830 100755
--- a/locale-gen
+++ b/locale-gen
@@ -52,7 +52,7 @@ show_usage() {
 }
 show_version() {
 	local b="(" a=")"
-	local cvsver="$Revision: 1.36 $b $Date: 2014/12/28 18:45:18 $a"
+	local cvsver="$Revision: 1.37 $b $Date: 2015/07/21 02:28:16 $a"
 	echo "locale-gen-${cvsver//: }"
 	exit 0
 }
@@ -183,7 +183,17 @@ if [[ -z ${locales_to_generate} ]] && [[ -e ${CONFIG} ]] ; then
 	locales_to_generate=$(sed \
 		-e 's:#.*::' \
 		-e '/^[[:space:]]*$/d' \
-		"${CONFIG}")
+		"${CONFIG}" | sort)
+	# Sanity check to make sure people did not duplicate entries. #550884
+	dup_locales_to_generate=$(
+		echo "${locales_to_generate}" | \
+			uniq -c | \
+			awk '$1 != "1" {$1 = ""; print}')
+	if [[ -n ${dup_locales_to_generate} ]] ; then
+		ewarn "These locales have been duplicated in your config:\n${dup_locales_to_generate}"
+		ewarn "They will be filtered, but you should still fix."
+		locales_to_generate=$(echo "${locales_to_generate}" | uniq)
+	fi
 fi
 
 if [[ -z ${locales_to_generate} ]] ; then
-- 
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