Use asdf current to get tools

bin/tools_lib/empty_file.rb

@@ -1,5 +0,0 @@
-class EmptyFile
-  def lines
-    []
-  end
-end

bin/tools_lib/tools.rb

@@ -11,13 +11,25 @@ class Tools
   end
 
   def list_tools
-    tools.sort.each do |tool, version|
-      if available_tools.include? tool
-        puts "#{tool_icon(tool)}#{tool.ljust(max_length)}  #{version}"
+    tools.sort.each do |tool, meta|
+      if available_tools.include?(tool)
+        puts "#{tool_icon(tool)}" \
+             "#{tool.ljust(max_length)}  " \
+             "#{version(meta)}"
       end
     end
   end
 
+  private
+
+  def version(meta)
+    if installed?(meta)
+      "\e[37m#{meta[:version]}"
+    else
+      "\e[31m#{meta[:version]}* (not installed)"
+    end
+  end
+
   def max_length
     @max_length ||= installed_tools.max_by(&:length).length
   end
@@ -29,4 +41,8 @@ class Tools
   def available_tools
     TOOL_ICONS.keys
   end
+
+  def installed?(meta)
+    meta[:source].start_with?("/")
+  end
 end

bin/tools_lib/tools_file.rb

@@ -1,5 +1,3 @@
-require_relative "empty_file"
-
 class ToolsFile
   def initialize
   end
@@ -12,13 +10,12 @@ class ToolsFile
 
   def format_tools
     Hash[tools_file.lines.map do |tool|
-      tool.split
+      name, version, source = tool.split
+      [name, { version: version, source: source }]
     end]
   end
 
   def tools_file
-    File.read(".tool-versions")
-  rescue
-    EmptyFile.new
+    `asdf current 2>&1`
   end
 end