[Truffle] Allow a different Ruby executable to be used in jt.

jruby · Jan 21, 2016 · 30742d9 · 30742d9
1 parent dafc460
commit 30742d9
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/tool/jt.rb b/tool/jt.rb
@@ -227,6 +227,8 @@ def help
     puts
     puts 'recognised environment variables:'
     puts
+    puts '  RUBY_BIN                                     The JRuby+Truffle executable to use (normally just bin/jruby)'
+    puts
     puts '  GRAAL_BIN                                    GraalVM executable (java command) to use'
     puts '  GRAAL_BIN_...git_branch_name...              GraalVM executable to use for a given branch'
     puts '           branch names are mangled - eg truffle-head becomes GRAAL_BIN_TRUFFLE_HEAD'
@@ -304,6 +306,8 @@ def run(*args)
 
     if USE_JRUBY_ECLIPSE
       jruby_bin = "#{JRUBY_DIR}/tool/jruby_eclipse"
+    if ENV['RUBY_BIN']
+      jruby_bin = ENV['RUBY_BIN']
     else
       jruby_bin = "#{JRUBY_DIR}/bin/jruby"
     end