jruby doesn't startup correctly with absolute path in shebang line, problem
shows up when using rvm to copy gemsets
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Key: JRUBY-5031
URL: http://jira.codehaus.org/browse/JRUBY-5031
Project: JRuby
Issue Type: Bug
Components: Launcher
Affects Versions: JRuby 1.5.1
Environment: Mac OS X 10.6.4
Reporter: Stephen Bannasch
Assignee: Thomas E Enebo
When the shebang line in a ruby executable uses an absolute path to the JRuby
executable the command only operates when prefixed with 'jruby -S'.
Here's a very simple RakeFile:
{code}
[jruby-bug]$ ls -l
total 8
-rw-r--r-- 1 stephen staff 67 Aug 22 13:53 RakeFile
[jruby-bug]$ cat RakeFile
desc 'list files in this directory'
task :ls do
puts Dir['*']
end
[jruby-bug]$ rake ls
(in /Users/stephen/dev/test/jruby-bug)
RakeFile
{code}
I have jruby 1.5.1 and 1.5.2 installed with rvm. I'll remove and reinstall
jruby-1.5.2.
{code}
[jruby-bug]$ rvm list
rvm rubies
jruby-1.5.1 [ x86_64-java ]
jruby-1.5.2 [ x86_64-java ]
jruby-head [ x86_64-java ]
rbx-1.0.1-20100603 [ x86_64 ]
ree-1.8.7-2010.02 [ x86_64 ]
ruby-1.8.7-head [ i386 ]
ruby-1.8.7-p248 [ i386 ]
ruby-1.8.7-p249 [ i386 ]
ruby-1.8.7-p299 [ x86_64 ]
ruby-1.9.1-p378 [ x86_64 ]
ruby-1.9.2-head [ x86_64 ]
ruby-1.9.2-p0 [ x86_64 ]
[jruby-bug]$ rvm remove jruby-1.5.2
info: Removing /Users/stephen/.rvm/src/jruby-1.5.2...
info: Removing /Users/stephen/.rvm/rubies/jruby-1.5.2...
info: Removing jruby-1.5.2 aliases...
info: Removing jruby-1.5.2 wrappers...
info: Removing jruby-1.5.2 environments...
info: Removing jruby-1.5.2 binaries...
[jruby-bug]$ rvm install jruby
info: Extracting jruby-bin-1.5.2 ...
info: Building Nailgun
info: Installing JRuby to /Users/stephen/.rvm/rubies/jruby-1.5.2
info: Importing initial gems...
info: Installing rake
info: Installing jruby-openssl
{code}
When JRuby installs rake it uses 'env' in the shebang:
{code}
[jruby-bug]$ rvm use jruby
info: Using jruby 1.5.2
[jruby-bug]$ which rake
/Users/stephen/.rvm/gems/jruby-1.5.2/bin/rake
[jruby-bug]$ head -1 /Users/stephen/.rvm/gems/jruby-1.5.2/bin/rake
#!/usr/bin/env jruby
{code}
I can use either 'rake' or jruby -S rake' when using jruby-1.5.2 installed by
RVM
{code}
[jruby-bug]$ rake ls
(in /Users/stephen/dev/test/jruby-bug)
RakeFile
[jruby-bug]$ jruby -S rake ls
(in /Users/stephen/dev/test/jruby-bug)
RakeFile
{code}
When I use rvm to copy my gemset from jruby-1.5.1 to jruby 1.5.2 the shebang
lines are changed
to use an absolute path to the jruby executable:
{code}
[jruby-bug]$ rvm gemset copy jruby-1.5.1 jruby-1.5.2
info: Copying gemset from jruby-1.5.1 to jruby-1.5.2
info: Making gemset for jruby-1.5.2 pristine.
[jruby-bug]$ head -1 /Users/stephen/.rvm/gems/jruby-1.5.2/bin/rake
#!/Users/stephen/.rvm/rubies/jruby-1.5.2/bin/jruby
{code}
Using 'rake' no longer works but 'jruby -S rake' still works:
{code}
[jruby-bug]$ rake ls
/Users/stephen/.rvm/gems/jruby-1.5.2/bin/rake: line 9: require: command not
found
/Users/stephen/.rvm/gems/jruby-1.5.2/bin/rake: line 11: version: command not
found
/Users/stephen/.rvm/gems/jruby-1.5.2/bin/rake: line 13: syntax error near
unexpected token `('
/Users/stephen/.rvm/gems/jruby-1.5.2/bin/rake: line 13: `if ARGV.first =~
/^_(.*)_$/ and Gem::Version.correct? $1 then'
[jruby-bug]$ jruby -S rake ls
(in /Users/stephen/dev/test/jruby-bug)
RakeFile
{code}
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