From: Peter Pk <peterk@...>
Date: 2008-08-20T01:23:00+09:00
Subject: Re: Help with Ruby under cygwin

all I can do is report my experience.

If you wish to start with a virgin cygwin install, then write down 
everything you did step by step, in detail, so I can repeat it here 
exactly as you did it and test it, I can give you feedback.

I failed initially following the on-line instructions I found.
What I did:

I installed cygwin with with ruby with the latest version on c:\cygwin
I did do so after installing the ruby "OnClickInstall" and later 
removing all the path and enviroment variables it created.

On cygwin I installed rubygems from rubygems-0.8.11.zip using the 
./setup.rb
Then I first tried "gem remote --install rake" and didn't get
the /usr/bin/rake command installed though it "succeeded" and updated 
the contents of /usr/lib/ruby/1.8/rake.

now it is possible cygwin didn't properly
update it's "what's in the path cache"

note: googling I see a more explicit gem command as
    "gem install rake --source=http://gems.rubyforge.net"
I did not try that.

when I installed it from the package using ./setup.exe it apparently did 
install the /usr/bin/rake, or in some way at that time cygwin now knew 
where to find it.

I then tried to run the rake test suite, it barfed apparently needing 
some "gem" libraries that are apparently not installed as part of the 
rake initial setup on cygwin. and then I did:

$ gem install rcov  (does this download or get out of the local cache?)
$ gem install flexmock    (ditto)

assuming that might do the trick seeing that syntax elsewhere.

and then the rake test ran, though with some reported non-fatal errors.

(The I gave up on trying to make the test perfect, because it appeared 
to be from some missing "session thing" which someone hinted was not 
available on windows, and ordered the latest "pickaxe" book :)

PK


Chris Lowis wrote:
>> It is, but it doesn't install the "rake" command to the /usr/bin area,
>> installing from the package distro using it's supplied setup.rb does. I
>> of course, only found this out after trying both :)
> 
> That's strange. I also use cygwin ruby. I have:
> 
> $ gem list | grep 'rake'
> rake (0.8.1)
> 
> installed through ruby gems, and "which rake" shows the rake
> executable at /usr/bin/rake .
> 
> I also don't recall having to set any environment variables to get
> ruby to work. I have no $RUBYOPT set, for example. I downloaded
> cygwin, and installed ruby using the cygwin package manager. Then I
> downloaded rubygems 1.2.0, installed using setup.rb and everything
> "just worked" after that. Perhaps this is why there is no detailed
> HOWTO - the steps required in my case were quite minimal.
> 
> Apart from the occasional problem installing native binary based gems
> I have found the ruby cygwin experience painless, and have never felt
> the need to use the "one-click" installer. I can understand some
> peoples aversion to cygwin though.
> 
> Is it possible that your system is using some non-standard defaults or
> installation paths that are causing problems ? At some point perhaps I
> can get a clean windows installation and try this again.
> 
> Chris

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