From 735fc1fc7acc4b5f5485ddbefd7ebe06cbd19fc6 Mon Sep 17 00:00:00 2001
From: Flat <flatta@outlook.jp>
Date: Mon, 23 Nov 2015 16:24:14 +0900
Subject: [PATCH 1/3] Fix #502

---
 bin/v-change-user-language | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/bin/v-change-user-language b/bin/v-change-user-language
index c6e7b0cb..c8da0564 100755
--- a/bin/v-change-user-language
+++ b/bin/v-change-user-language
@@ -19,9 +19,14 @@ source $VESTA/conf/vesta.conf
 
 
 is_language_valid() {
-    if [ ! -e "$VESTA/web/inc/i18n/$language.php" ]; then
-        echo "Error: language $language not exist"
-        log_event "$E_NOTEXIST $EVENT"
+	if ! [[ "$1" =~ ^[[:alnum:]_-]+$ ]]; then
+        echo "Error: language $1 not valid"
+        log_event "$E_INVALID" "$EVENT"
+        exit $E_INVALID
+    fi
+    if [ ! -e "$VESTA/web/inc/i18n/$1.php" ]; then
+        echo "Error: language $1 not exist"
+        log_event "$E_NOTEXIST" "$EVENT"
         exit $E_NOTEXIST
     fi
 }

From dbeba76fa96b5d09b4b972077edd2f825b315e75 Mon Sep 17 00:00:00 2001
From: Flat <flatta@outlook.jp>
Date: Mon, 23 Nov 2015 16:42:21 +0900
Subject: [PATCH 2/3] Improve grammar.

---
 bin/v-change-user-language | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/bin/v-change-user-language b/bin/v-change-user-language
index c8da0564..82e8945a 100755
--- a/bin/v-change-user-language
+++ b/bin/v-change-user-language
@@ -20,12 +20,12 @@ source $VESTA/conf/vesta.conf
 
 is_language_valid() {
 	if ! [[ "$1" =~ ^[[:alnum:]_-]+$ ]]; then
-        echo "Error: language $1 not valid"
+        echo "Error: language $1 is not valid"
         log_event "$E_INVALID" "$EVENT"
         exit $E_INVALID
     fi
     if [ ! -e "$VESTA/web/inc/i18n/$1.php" ]; then
-        echo "Error: language $1 not exist"
+        echo "Error: language $1 doesn't exist"
         log_event "$E_NOTEXIST" "$EVENT"
         exit $E_NOTEXIST
     fi

From 9ba1c686d56967532261f12d62350a35de32442b Mon Sep 17 00:00:00 2001
From: Flat <flatta@outlook.jp>
Date: Mon, 23 Nov 2015 16:50:58 +0900
Subject: [PATCH 3/3] Use soft-tabs.

---
 bin/v-change-user-language | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bin/v-change-user-language b/bin/v-change-user-language
index 82e8945a..800b61a8 100755
--- a/bin/v-change-user-language
+++ b/bin/v-change-user-language
@@ -19,7 +19,7 @@ source $VESTA/conf/vesta.conf
 
 
 is_language_valid() {
-	if ! [[ "$1" =~ ^[[:alnum:]_-]+$ ]]; then
+    if ! [[ "$1" =~ ^[[:alnum:]_-]+$ ]]; then
         echo "Error: language $1 is not valid"
         log_event "$E_INVALID" "$EVENT"
         exit $E_INVALID