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POProblem pushing to Heroku with dm-migrations
 

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  1. POProblem pushing to Heroku with dm-migrations
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    <p>I couldn't find anyone else having this error, so I hope it's not something specific to my machine or something.</p> <pre><code>-----&gt; Heroku receiving push -----&gt; Sinatra app detected -----&gt; Installing gem data_mapper 1.0.0 from http://rubygems.org ERROR: Error installing data_mapper: dm-migrations requires dm-core (~&gt; 1.0.2, runtime) ! Heroku push rejected, failed to install gem error: hooks/pre-receive exited with error code 1 To git@heroku.com:episodes.git ! [remote rejected] master -&gt; master (pre-receive hook declined) error: failed to push some refs to 'git@heroku.com:episodes.git' </code></pre> <p>I'm using bundler 1.0.7 to manage my dependencies.</p> <p>Here is my Gemfile:</p> <pre><code>source :rubygems gem 'sinatra', '&gt;= 1.0' gem 'rake' gem 'rspec', :require =&gt; 'spec' gem 'data_mapper' gem 'rack-test' gem 'dm-core' gem 'dm-sqlite-adapter' gem 'dm-timestamps' gem 'dm-validations' gem 'dm-aggregates' gem 'dm-migrations' gem 'haml' </code></pre> <p>With <code>Gemfile.lock</code> (up-to-date)</p> <pre><code>GEM remote: http://rubygems.org/ specs: addressable (2.2.3) data_mapper (1.0.2) dm-aggregates (= 1.0.2) dm-constraints (= 1.0.2) dm-core (= 1.0.2) dm-migrations (= 1.0.2) dm-serializer (= 1.0.2) dm-timestamps (= 1.0.2) dm-transactions (= 1.0.2) dm-types (= 1.0.2) dm-validations (= 1.0.2) data_objects (0.10.2) addressable (~&gt; 2.1) diff-lcs (1.1.2) dm-aggregates (1.0.2) dm-core (~&gt; 1.0.2) dm-constraints (1.0.2) dm-core (~&gt; 1.0.2) dm-migrations (~&gt; 1.0.2) dm-core (1.0.2) addressable (~&gt; 2.2) extlib (~&gt; 0.9.15) dm-do-adapter (1.0.2) data_objects (~&gt; 0.10.2) dm-core (~&gt; 1.0.2) dm-migrations (1.0.2) dm-core (~&gt; 1.0.2) dm-serializer (1.0.2) dm-core (~&gt; 1.0.2) fastercsv (~&gt; 1.5.3) json_pure (~&gt; 1.4) dm-sqlite-adapter (1.0.2) dm-do-adapter (~&gt; 1.0.2) do_sqlite3 (~&gt; 0.10.2) dm-timestamps (1.0.2) dm-core (~&gt; 1.0.2) dm-transactions (1.0.2) dm-core (~&gt; 1.0.2) dm-types (1.0.2) dm-core (~&gt; 1.0.2) fastercsv (~&gt; 1.5.3) json_pure (~&gt; 1.4) stringex (~&gt; 1.1.0) uuidtools (~&gt; 2.1.1) dm-validations (1.0.2) dm-core (~&gt; 1.0.2) do_sqlite3 (0.10.2) data_objects (= 0.10.2) do_sqlite3 (0.10.2-x86-mingw32) data_objects (= 0.10.2) extlib (0.9.15) fastercsv (1.5.4) haml (3.0.25) json_pure (1.4.6) rack (1.2.1) rack-test (0.5.7) rack (&gt;= 1.0) rake (0.8.7) rspec (2.4.0) rspec-core (~&gt; 2.4.0) rspec-expectations (~&gt; 2.4.0) rspec-mocks (~&gt; 2.4.0) rspec-core (2.4.0) rspec-expectations (2.4.0) diff-lcs (~&gt; 1.1.2) rspec-mocks (2.4.0) sinatra (1.1.2) rack (~&gt; 1.1) tilt (~&gt; 1.2) stringex (1.1.0) tilt (1.2.2) uuidtools (2.1.1) PLATFORMS ruby x86-mingw32 DEPENDENCIES data_mapper dm-aggregates dm-core dm-migrations dm-sqlite-adapter dm-timestamps dm-validations haml rack-test rake rspec sinatra (&gt;= 1.0) </code></pre> <p>In my actual application, my requires are in this order:</p> <pre><code>require 'rubygems' require 'bundler/setup' require 'dm-core' require 'dm-validations' require 'dm-timestamps' require 'dm-migrations' require 'dm-types' require 'haml' require 'yaml' require 'json' require 'ostruct' require 'sinatra' </code></pre> <p>Is there anything out of the ordinary that would have Heroku throw this error at me?</p>
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    1. COFyi, I'm able to install the `data_mapper` gem just fine when I use a `.gems` file.
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