1 files changed, 20 insertions, 13 deletions
diff --git a/bin/sisu_termsheet b/bin/sisu_termsheet
index 10318191..5566a962 100644
--- a/bin/sisu_termsheet
+++ b/bin/sisu_termsheet
@@ -2,25 +2,24 @@
 # encoding: utf-8
 #SiSU: copyright (C) 1997 - 2011 Ralph Amissah; License GPL, see appended program information
 begin
-  def check_sisu_stable_ruby_version?
-    rbv_sisu_stable='1.8.7'
-    if RUBY_VERSION < rbv_sisu_stable
-      raise "Please, use Ruby#{rbv_sisu_stable} or later, current Ruby #{RUBY_VERSION}"
-    else check_incompatible_ruby_build?
-    end
-  end
-  def check_sisu_dev_ruby_version?
-    rbv_sisu_dev='1.9.2'
-    if RUBY_VERSION < rbv_sisu_dev
-      raise "Please, use Ruby#{rbv_sisu_dev} or later, current Ruby #{RUBY_VERSION}"
+  def ruby_version_ok?(base_version)
+    @v ||=RUBY_VERSION.scan(/\d+/)
+    vb=base_version.scan(/\d+/)
+    if @v[0].to_i <  vb[0].to_i \
+    or @v[0].to_i == vb[0].to_i \
+    && @v[1].to_i <  vb[1].to_i \
+    or @v[0].to_i == vb[0].to_i \
+    && @v[1].to_i == vb[1].to_i \
+    && @v[1].to_i <  vb[2].to_i
+      raise "Please, use Ruby#{vb} or later, current Ruby #{RUBY_VERSION}"
     else check_incompatible_ruby_build?
     end
   end
   def check_incompatible_ruby_build?
     require 'rbconfig'
     e=Config::CONFIG
-    if  RUBY_VERSION == '1.9.2' \
-    and e['PATCHLEVEL'].to_i < 180
+    if RUBY_VERSION == '1.9.2' \
+    && e['PATCHLEVEL'].to_i < 180
       raise <<WOK
 There are known issues with early versions of ruby1.9.2.
 Please, use Ruby 1.9.2p180 or later,
@@ -30,6 +29,14 @@ current version #{e['RUBY_PROGRAM_VERSION']}p#{e['PATCHLEVEL']}
 WOK
     end
   end
+  def check_sisu_stable_ruby_version?
+    rbv_sisu_stable='1.8.7'
+    ruby_version_ok?(rbv_sisu_stable)
+  end
+  def check_sisu_dev_ruby_version?
+    rbv_sisu_dev='1.9.2'
+    ruby_version_ok?(rbv_sisu_dev)
+  end
   $VERBOSE=nil
   argv=$*
   SiSU_version_dir=case argv.inspect