From c00345b2e7cf7041a01a84e51e77ce88dceaa6e1 Mon Sep 17 00:00:00 2001
From: Ralph Amissah <ralph@amissah.com>
Date: Fri, 17 Jan 2014 21:35:12 -0500
Subject: bin/sisu experimentation

* start preparing for ruby changes
* work on fix for bug related to gem path & system installed sisu
---
 bin/sisu | 70 +++++++++++++++++-----------------------------------------------
 1 file changed, 18 insertions(+), 52 deletions(-)

(limited to 'bin')

diff --git a/bin/sisu b/bin/sisu
index 102d10d1..ad98138b 100644
--- a/bin/sisu
+++ b/bin/sisu
@@ -2,45 +2,6 @@
 # encoding: utf-8
 #SiSU: copyright (C) 1997 - 2014 Ralph Amissah; License GPL 3, see appended program information
 begin
-  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' \
-    && 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,
-current version #{e['RUBY_PROGRAM_VERSION']}p#{e['PATCHLEVEL']}
-#{%x{ruby -v}.strip.to_s}
-
-WOK
-    end
-  end
-  def check_sisu_legacy_ruby_version?
-    rbv_sisu_legacy='1.9.2' #'1.8.7'
-    ruby_version_ok?(rbv_sisu_legacy)
-  end
-  def check_sisu_stable_ruby_version?
-    rbv_sisu_stable='1.9.2'
-    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
   def require_hub_path(sisu_path_specified_lib_)
     if sisu_path_specified_lib_ \
     && FileTest.file?("#{sisu_path_specified_lib_}/#{SiSU_lib}/hub.rb")
@@ -51,21 +12,22 @@ WOK
   end
 #% sisu branch
   $VERBOSE=nil
-  $KCODE='u' if RUBY_VERSION < '1.9'
   argv=$*
   SiSU_called_from_directory=Dir.pwd
+  sisu_is_=:system_install
   require 'rubygems'
-  check_sisu_stable_ruby_version?
-  default_version=if __FILE__ =~/gem/ \
+  default_version=if __FILE__ =~/\/gems\// \
   and  __FILE__ =~/\/sisu-[45]\.(?:\d+|[a-z])\.(?:\d+|[a-z])\//
-    SiSU_version_dir=case __FILE__
+    sisu_is_=:gem_install
+    sisu_version_dir_=case __FILE__
     when /\/sisu-5\.(?:\d+|[a-z])\.(?:\d+|[a-z])\//   then 'v5'
     when /\/sisu-4\.(?:\d+|[a-z])\.(?:\d+|[a-z])\//   then 'v4'
     else                                                   'v4'
     end
   else                                                     'v4'
   end
-  SiSU_version_dir=case $0
+  SiSU_is=sisu_is_
+  sisu_version_dir_=case $0
   when /\bsisu4$/                                     then 'v4'
   when /\bsisu5$/                                     then 'v5'
   else
@@ -75,10 +37,11 @@ WOK
     else default_version
     end
   end
+  SiSU_version_dir=sisu_version_dir_
 #% $0 File.expand_path($0)
   e=Config::CONFIG
-  SiSU_path_base=if $0 =~ /^#{e['bindir']}\/sisu[45]?$/
-    nil
+  sisu_path_base=if $0 =~ /^#{e['bindir']}\/sisu[45]?$/
+    :system_default
   elsif $0 !~ /^#{e['bindir']}\/sisu[45]?$/ \
   && File.expand_path($0) =~/bin\/sisu[45]?$/ \
   && FileTest.file?($0)
@@ -87,16 +50,19 @@ WOK
     nil
   end
   SiSU_lib="sisu/#{SiSU_version_dir}"
-  sisu_path_specified_lib_=SiSU_path_base \
+  sisu_path_specified_lib_=($0 !~ /^#{e['bindir']}\/sisu[45]?$/) \
   ? File.expand_path($0).sub(/bin\/sisu[45]?$/,'lib')
   : nil
-  SiSU_path_specified_Version_=if __FILE__ =~/gem/
-    spec = Gem::Specification.find_by_name("sisu")
-    spec.gem_dir + "/data/sisu/#{SiSU_version_dir}/v/version.yml"
-  elsif SiSU_path_base
-    "#{SiSU_path_base}/data/sisu/#{SiSU_version_dir}/v/version.yml"
+  SiSU_path_specified_Version_=if SiSU_is==:gem_install
+    Gem::Specification.find_by_name("sisu").gem_dir + "/data/sisu/#{SiSU_version_dir}/v/version.yml"
+  elsif sisu_path_specified_lib_ \
+  and sisu_path_base
+    "#{sisu_path_base}/data/sisu/#{SiSU_version_dir}/v/version.yml"
+  elsif sisu_path_base
+    Config::CONFIG['datadir'] + '/sisu' + "/#{SiSU_version_dir}/v/version.yml"
   else nil
   end
+  SiSU_path_base=sisu_path_base
   SiSU_path_lib="#{require_hub_path(sisu_path_specified_lib_)}"
 #% $*
   require "#{SiSU_path_lib}/hub"
-- 
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