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Bundler/OrderedGems cop should respect ASCII order when gem name has symbols #3923

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lucascaton opened this issue Jan 17, 2017 · 3 comments · Fixed by #3932
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Bundler/OrderedGems cop should respect ASCII order when gem name has symbols #3923

lucascaton opened this issue Jan 17, 2017 · 3 comments · Fixed by #3932
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@lucascaton
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lucascaton commented Jan 17, 2017 •
edited

Expected behavior

Bundler/OrderedGems cop (PR) should respect ASCII order.

Actual behavior

I have the following gems in my Gemfile:

gem 'paper_trail'
gem 'paperclip'

Vim sorts it this way, which is correct: _ symbol comes before letters in ASCII table. However, this cop complains: Gemfile:27:1: C: Bundler/OrderedGems: Gems should be sorted in an alphabetical order within their section of the Gemfile. Gem paperclip should appear before paper_trail.

Reference:

Steps to reproduce the problem

Add the gems in the same order mentioned in the previous step and run $ rubocop.

RuboCop version

$ rubocop -V
0.47.0 (using Parser 2.3.3.1, running on ruby 2.3.3 x86_64-darwin16)
@mikegee
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mikegee commented Jan 17, 2017

Reverting #3810 would fix this issue. But then we wouldn't have case-insensitive comparisons, which was considered desirable in #3802.

🤔 I suppose a custom comparison algorithm could be written.

@bbatsov
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bbatsov commented Jan 18, 2017

I suppose a custom comparison algorithm could be written.

Guess so.

@bbatsov bbatsov added the bug label Jan 18, 2017
@mikegee mikegee mentioned this issue Jan 18, 2017
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mikegee added a commit to mikegee/rubocop that referenced this issue Jan 18, 2017
@mikegee
[Fix rubocop#3923] Allow asciibetical gem ordering
1b60230 
The underscore character is between the uppercase and lowercase
alphabetical characters in ASCII.

Folks expect "_" to come before "a", but `String#casecmp` is implemented
by uppercasing the inputs before comparing them. This leads to "_"
coming after alphabetical characters.
bbatsov pushed a commit that referenced this issue Jan 18, 2017
@mikegee @bbatsov
[Fix #3923] Allow asciibetical gem ordering
48f92d7 
The underscore character is between the uppercase and lowercase
alphabetical characters in ASCII.

Folks expect "_" to come before "a", but `String#casecmp` is implemented
by uppercasing the inputs before comparing them. This leads to "_"
coming after alphabetical characters.
@lucascaton
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Thanks @mikegee and @bbatsov!

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[Fix #3923] Allow asciibetical gem ordering mikegee/rubocop
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@mikegee @lucascaton @bbatsov