Add helper script to get the list of new songs

utils/new-songs-list.sh

@@ -0,0 +1,15 @@
+#!/bin/sh
+#
+# Helper script to get the list of new songs added since the last version
+# The output is supposed to be copy/pasted into the NEWS item.
+
+if [ $# -eq 1 ]
+then
+    VERSION=$1
+else
+    # Get current version
+    VERSION=`git tag | tail -n1`
+fi
+
+# Make new songs list by authors
+git shortlog $VERSION..master | egrep '^([^ ].*|.*Add song.*)' | sed 's/Add song.*://' | sed 's/\.$//' | sed 's/ (.*)//' | sed 's/\s\s\s*/  /'