1 files changed, 40 insertions, 0 deletions
diff --git a/data/check-timezones.sh b/data/check-timezones.sh
new file mode 100755
index 0000000..ab3bf08
--- /dev/null
+++ b/data/check-timezones.sh
@@ -0,0 +1,40 @@
+#!/bin/sh
+
+if test -f /usr/share/zoneinfo/zone.tab; then
+	tzdb=/usr/share/zoneinfo/zone.tab
+else
+	if test -f /usr/share/lib/zoneinfo/tab/zone_sun.tab; then
+		tzdb=/usr/share/lib/zoneinfo/tab/zone_sun.tab
+	else
+		echo "No timezone database found"
+		exit 1
+	fi
+fi
+
+locations=${1:-Locations.xml.in}
+used=`mktemp`
+correct=`mktemp`
+
+sed -ne 's/.*<tz-hint>\(.*\)<.*/\1/p' $locations | sort -u > $used
+awk '{print $3;}' $tzdb  | sort -u > $correct
+bad=`comm -13 $correct $used`
+rm $correct $used
+
+if [ -n "$bad" ]; then
+    echo "Invalid timezones in ${locations}: $bad" 1>&2
+    exit 1
+fi
+
+used=`mktemp`
+obsolete=`mktemp`
+
+sed -ne 's/.*<tz-hint>\(.*\)<.*/\1/p' $locations | sort -u > $used
+sed -ne 's/.*<obsoletes>\(.*\)<.*/\1/p' $locations | sort -u > $obsolete
+bad=`comm -12 $used $obsolete`
+rm $used $obsolete
+
+if [ -n "$bad" ]; then
+    echo "Obsolete <tz-hint> timezones in ${locations}: $bad" 1>&2
+    exit 1
+fi
+exit 0