Class: LinterChanges::GitDiff

Inherits:
Object
  • Object
show all
Defined in:
lib/git_diff.rb

Constant Summary collapse

DEFAULT_TARGET_BRANCH = 
'origin/master'

Instance Method Summary collapse

Constructor Details

#initialize(target_branch: nil) ⇒ GitDiff

Returns a new instance of GitDiff.



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# File 'lib/git_diff.rb', line 9

def initialize(target_branch: nil)
  @target_branch = target_branch || ENV['CHANGE_TARGET'] || DEFAULT_TARGET_BRANCH
  Logger.debug "Target branch: #{@target_branch}"
end

Instance Method Details

#changed_files ⇒ Object 



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# File 'lib/git_diff.rb', line 14

def changed_files
  cmd = "git diff --name-only #{@target_branch}...HEAD"
  Logger.debug "Executing command: #{cmd}"

  stdout, stderr, status = Open3.capture3(cmd)
  unless status.success?
    Logger.error "Error obtaining git changes: #{stderr}"
    exit 1
  end

  files = stdout.strip.split("\n")
  Logger.debug "Changed files: #{files.join(', ')}"
  files
end

#changed_lines_contains?(file:, pattern:) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/git_diff.rb', line 29

def changed_lines_contains? file:, pattern:
  cmd = "git diff #{@target_branch}...HEAD -- #{file}"
  stdout, stderr, status = Open3.capture3(cmd)
  unless status.success?
    Logger.error "Error obtaining git diff for #{file}: #{stderr}"
    exit 1
  end
  stdout.include? pattern
end