35 lines
1.0 KiB
Ruby
35 lines
1.0 KiB
Ruby
# frozen_string_literal: true
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module Danger
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# Common helper functions for our danger scripts
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# If we find ourselves repeating code in our danger files, we might as well put them in here.
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class Helper < Plugin
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# Returns a list of all files that have been added, modified or renamed.
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# `git.modified_files` might contain paths that already have been renamed,
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# so we need to remove them from the list.
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#
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# Considering these changes:
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#
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# - A new_file.rb
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# - D deleted_file.rb
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# - M modified_file.rb
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# - R renamed_file_before.rb -> renamed_file_after.rb
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#
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# it will return
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# ```
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# [ 'new_file.rb', 'modified_file.rb', 'renamed_file_after.rb' ]
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# ```
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#
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# @return [Array<String>]
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def all_changed_files
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Set.new
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.merge(git.added_files.to_a)
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.merge(git.modified_files.to_a)
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.merge(git.renamed_files.map { |x| x[:after] })
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.subtract(git.renamed_files.map { |x| x[:before] })
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.to_a
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.sort
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end
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end
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end
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