slightly rewrite Thomas' script and add to drone's syntax check

.drone.yml

@@ -3,3 +3,4 @@ pipeline:
     image: vsasyan/xmllint
     commands:
         - find . -type f \( -iname "*.xhtml" -o -iname "*.xml" -o -iname "*.xsl" \) -exec xmllint --noout {} +
+        - bash tools/check-non-en-frontpage.sh news

tools/check-non-en-frontpage.sh

@@ -0,0 +1,22 @@
+#/bin/bash
+
+# checks whether there non-EN items appear on the FSFE front-page, which is undesired
+
+DIR=$1
+
+# select all items which have the front-page tag
+exit=0
+for f in $( grep -R "<tag.*>front-page</tag>" --files-with-matches ${DIR}/2*/*.{xhtml,xml} )
+do
+	base="${f%.*}"      # file.xx
+	base="${base%.*}"   # file
+	sfx=${f##*.}        # xhtml
+	en="$base.en.$sfx"  # file.en.xhtml
+	if [[ ! -f "$en" ]]
+	then
+		echo "$f"         # echo file if it's not existent in an English version
+    exit=1
+	fi
+done
+
+exit $exit

tools/find_news_without_en_translation.sh

@@ -1,18 +0,0 @@
-#/bin/bash
-ROOT=$(dirname "$(readlink -f "$0")")
-source "$ROOT"/config.cfg
-LOC_trunk=$(echo $LOC_trunk | sed 's|/$||')
-
-cd ${LOC_trunk}/news
-for f in $( grep -R front-page --files-with-matches 2*/*.{xhtml,xml} )
-do
-	base="${f%.*}"
-	base="${base%.*}"
-	sfx=${f##*.}
-	en="$base.en.$sfx"
-	if [[ ! -f "$en" ]]
-	then
-		echo "$f"
-	fi
-done
-