jruby --ng-server aborts on Windows with "the syntax of the command is
incorrect"
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Key: JRUBY-4018
URL: http://jira.codehaus.org/browse/JRUBY-4018
Project: JRuby
Issue Type: Bug
Components: Windows
Affects Versions: JRuby 1.4
Environment: JDK 1.6 on WinXP
Reporter: Ian Dees
Fix For: JRuby 1.4
Attachments: vmopts-batch.patch
{{jruby --ng-server}} triggers a syntax error message in {{_jrubyvmopts.bat}},
where we unescape the {{_P}} sequence back to the pipe character. This error
seems to happen when the {{_RUBY_OPTS}} variable is empty. Doing a simple
equality check with {{""}} proved problematic, because the variable frequently
has quotes in it. So I've added a {{_HAS_RUBY_OPTS}} variable to the batch
file. This approach carries the risk that a future version of the batch file
could somehow change {{_RUBY_OPTS}} without updating {{_HAS_RUBY_OPTS}}. I've
added a comment to the batch file to hopefully grab the attention of future
updaters and reduce this risk.
These are the two test cases that stymied either the original batch file, or
early attempts to fix it:
{{jruby --ng-server}}
{{jruby -e "3.times {|n| puts 'hello ' + n.to_s}"}}
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