Add colwidth option to print_table

lib/thor/shell/basic.rb

@@ -81,16 +81,20 @@ def no?(statement, color=nil)
       # Array[Array[String, String, ...]]
       #
       # ==== Options
-      # ident<Integer>:: Ident the first column by ident value.
+      # ident<Integer>:: Indent the first column by ident value.
+      # colwidth<Integer>:: Force the first column to colwidth spaces wide.
       #
       def print_table(table, options={})
         return if table.empty?
 
-        formats, ident = [], options[:ident].to_i
+        formats, ident, colwidth = [], options[:ident].to_i, options[:colwidth]
         options[:truncate] = terminal_width if options[:truncate] == true
 
-        0.upto(table.first.length - 2) do |i|
-          maxima = table.max{ |a,b| a[i].size <=> b[i].size }[i].size
+        formats << "%-#{colwidth + 2}s" if colwidth
+        start = colwidth ? 1 : 0
+
+        start.upto(table.first.length - 2) do |i|
+          maxima ||= table.max{|a,b| a[i].size <=> b[i].size }[i].size
           formats << "%-#{maxima + 2}s"
         end
 

spec/shell/basic_spec.rb

@@ -129,6 +129,15 @@ def shell
   abc  #123  firs...
        #0    empty
   xyz  #786  last...
+TABLE
+    end
+
+    it "honors the colwidth option" do
+      content = capture(:stdout){ shell.print_table(@table, :colwidth => 10)}
+      content.must == <<-TABLE
+abc         #123  first three
+            #0    empty
+xyz         #786  last three
 TABLE
     end
   end