Templatized addon.xml, small improvements of build script

addon.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<addon id="video.kino.pub" name="kino.pub" version="2.1.2" provider-name="kino.pub">
+<addon id="video.kino.pub" name="kino.pub" version="${VERSION}" provider-name="kino.pub">
   <requires>
     <import addon="xbmc.python" version="2.1.0"/>
   </requires>
@@ -11,5 +11,4 @@
     <description></description>
     <platform>all</platform>
   </extension>
-</addon>
-
+</addon>

build.sh

@@ -1,8 +1,23 @@
 #!/bin/bash
 
-VERSION=`git tag -l | tail -n1`
-DIR=video.kino.pub-$VERSION 
+if [[ -d .git ]]; then
+    VERSION=`git tag -l | tail -n1`
+elif [[ $# -eq 0 ]]; then
+    echo "Current directory is not a git repository."
+    echo "Provide a version as an argument."
+    exit 1
+else
+    VERSION=$1
+fi
+
+DIR=video.kino.pub-$VERSION
 
 mkdir $DIR
-cp -r resources addon.xml default.py icon.png $DIR
-zip -r -9 -m $DIR.zip $DIR > /dev/null
+echo "Copying the files to a temporary directory"
+echo "=========================================="
+VERSION=$VERSION envsubst < addon.xml > $DIR/addon.xml
+rsync -rv --exclude=*.pyc resources default.py icon.png $DIR
+echo
+echo "Creating the addon archive"
+echo "=========================="
+zip -rv -9 -m $DIR.zip $DIR