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#1891 ✓stale
Tim Lucas

config.gem with multiple sources

Reported by Tim Lucas | February 6th, 2009 @ 12:55 AM | in 2.x

The gem command allows you to specific N sources but GemDependency only allows one.

To install some gems (e.g. aslakhellesoy-cucumber from github) you need to specify multiple gem repositories, such as and

The latest patch (see last comment) adds a :sources option to specify multiple sources and improves the config.gem rdoc.

Comments and changes to this ticket

  • John

    John February 6th, 2009 @ 01:11 AM

    +1, small change and a handy feature

  • Chris Lloyd

    Chris Lloyd February 6th, 2009 @ 01:21 AM

    +1 Though the real solution is for either every gem developer to host their gems on Rubyforge, or (more realistically) Rubyforge provide automatic acceptances for name-spaced gems (ala Github).

  • Tim Lucas

    Tim Lucas February 6th, 2009 @ 01:22 AM

    Just noticed attr_accessor :source. Not sure if anybody is using GemDependency directly, or whether it's a supported API.

    I've attached a new patch which removes the source reader accessor and replaces it with sources.

    Even more unsure now whether :source should simply be an alias to :sources and we allow both a single value and an array of values.

  • Tim Lucas

    Tim Lucas February 6th, 2009 @ 02:29 AM

    Attached is a new ticket with updated rdoc for config.gem, as well as making :source and :sources equivalent and consistent.

    The Rails::GemDependency#source accessor has been removed and replaced with #sources

  • Matt Jones

    Matt Jones February 6th, 2009 @ 06:30 AM

    • Assigned user set to “Matt Jones”

    This is caused by the --source option to gem install ignoring any other sources configured by the system when installing dependencies. (see also this ticket for Rubygems)

    A different fix would be to include the sources listed from 'gem sources' when invoking 'gem install'. That would solve the most common case (where a gem on github depends on gems hosted on rubyforge).

    It should be easy to add ('gem sources' is basically just a newline-seperated list of URLs) - I'll try to put a patch together this weekend.

  • Tim Lucas

    Tim Lucas February 8th, 2009 @ 05:05 AM

    you think that's really a good idea though? Sounds like a round-about monkey patch to rubygems, something that would be in rails for quite a while. At least my approach is simply the same as what you'd do on the command line and when rubygems is fixed you just update your app's config (if needed)

  • Thomas Watson

    Thomas Watson February 16th, 2009 @ 11:27 AM

    Is this what causes my gems:install to fail when installing a gem from GitHub (using :sources => "") that has a regular dependency?

    gem install patientslikeme-campaign_monitor --source ERROR: Error installing patientslikeme-campaign_monitor:

    patientslikeme-campaign_monitor requires xml-simple (>= 1.0.11, runtime)
  • Pratik

    Pratik May 18th, 2009 @ 07:59 PM

    • State changed from “new” to “stale”

    Please reopen if still an issue.

  • Ryan Bigg

    Ryan Bigg October 9th, 2010 @ 09:48 PM

    • Tag cleared.
    • Importance changed from “” to “Low”

    Automatic cleanup of spam.

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