build sys improvement: live watching of css changes

freechat-client/scripts/build-sass.sh

@@ -3,6 +3,18 @@
 sassDir='src/sass/'
 cssDir='src/css/'
 
-for i in $sassDir/*;do
-    sass $i $cssDir/`basename -s .scss $i`.css
-done
+build() {
+    for i in $sassDir/*;do
+        sass $i $cssDir/`basename -s .scss $i`.css
+    done
+}
+
+watch() {
+    pairs=''
+    for i in $sassDir*;do
+        pairs="$i:$cssDir`basename -s .scss $i`.css $pairs"
+    done
+    sass --watch $pairs
+}
+
+"$@"