Add 'colors.sh'

colors.sh

@@ -0,0 +1,20 @@
+verbose () {
+  echo $2 "${color_green}$1${color_normal}"
+}
+error () {
+  echo $2 "${color_red}$1${color_normal}"
+        }
+warning () {
+  echo $2 "${color_yellow}$1${color_normal}"
+}
+# check for color support
+if test -t 1; then
+  # see if it supports colors...
+  ncolors=$(tput colors)
+  if test -n "$ncolors" && test $ncolors -ge 8; then
+    color_normal="$(tput sgr0)"
+    color_red="$(tput setaf 1)"
+    color_green="$(tput setaf 2)"
+    color_yellow="$(tput setaf 3)"
+  fi
+fi