v4: bin/sisu, expand given path for sisu executable

* where system sisu not called directly

1 files changed, 11 insertions, 17 deletions

diff --git a/bin/sisu b/bin/sisu
index b7156f43..daa2a48d 100644
--- a/bin/sisu
+++ b/bin/sisu
@@ -82,30 +82,24 @@ WOK
       'v4'
     end
   end
-#% $0
+#% $0 File.expand_path($0)
   e=Config::CONFIG
-  SiSU_lib="sisu/#{SiSU_version_dir}"
-  sisu_path_specified_lib_=if $0 =~ /^#{e['bindir']}\/sisu[34]?$/
+  SiSU_path_base=if $0 =~ /^#{e['bindir']}\/sisu[34]?$/
     nil
   elsif $0 !~ /^#{e['bindir']}\/sisu[34]?$/ \
-  && $0 =~/bin\/sisu[34]?$/ \
-  && FileTest.file?($0)
-    $0.sub(/bin\/sisu[34]?$/,'lib').
-      sub(/^lib$/,"#{Dir.pwd}/lib")
-  elsif $0 !~ /^#{e['bindir']}\/sisu[34]?$/ \
-  && $0 =~/^sisu[34]?$/ \
+  && File.expand_path($0) =~/bin\/sisu[34]?$/ \
   && FileTest.file?($0)
-    $0.sub(/sisu[34]?$/,'../lib')
-    #bug, relative path does not work for sisu version information
-  else
-    nil
-  end
-  SiSU_path_specified_Version_=if sisu_path_specified_lib_
-    sisu_path_specified_lib_.sub(/\/lib/,
-      "/data/sisu/#{SiSU_version_dir}/v/version.yml")
+    File.expand_path($0).sub(/\/bin\/sisu[34]?$/,'')
   else
     nil
   end
+  SiSU_lib="sisu/#{SiSU_version_dir}"
+  sisu_path_specified_lib_=SiSU_path_base \
+  ? File.expand_path($0).sub(/bin\/sisu[34]?$/,'lib')
+  : nil
+  SiSU_path_specified_Version_=SiSU_path_base \
+  ? "#{SiSU_path_base}/data/sisu/#{SiSU_version_dir}/v/version.yml"
+  : nil
   SiSU_path_lib="#{require_hub_path(sisu_path_specified_lib_)}"
 #% $*
   require "#{SiSU_path_lib}/hub"