Class: GitBranchSelector

Inherits:
Object
  • Object
show all
Defined in:
lib/git-branch-selector.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(flag:, branch_lookback_count:) ⇒ GitBranchSelector

Returns a new instance of GitBranchSelector.



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# File 'lib/git-branch-selector.rb', line 10

def initialize(flag:, branch_lookback_count:)
  @flag = flag
  @branch_lookback_count = branch_lookback_count
end

Instance Attribute Details

#branch_lookback_count ⇒ Object (readonly)

Returns the value of attribute branch_lookback_count.



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# File 'lib/git-branch-selector.rb', line 8

def branch_lookback_count
  @branch_lookback_count
end

#flag ⇒ Object (readonly)

Returns the value of attribute flag.



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# File 'lib/git-branch-selector.rb', line 8

def flag
  @flag
end

Instance Method Details

#build_menu ⇒ Object 



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# File 'lib/git-branch-selector.rb', line 15

def build_menu
  return show_list if flag == 'list'

  if cleaned_branches.empty?
    puts %q(
      No branches to list. Ensure you're using this within a Git repository.
    )
    return
  end

  selected_option = TTY::Prompt.new.select(
    "Pick a branch",
    cycle: true,
    symbols: { marker: '☾' },
    per_page: cleaned_branches.length,
    filter: true,
    help: '(Arrows, numbers, type to filter, enter to select)',
    show_help: :always
  ) do |menu|
    menu.enum ':'

    cleaned_branches.each_with_index do |b, index|
      menu.choice b, index + 1
    end
  end

  branch_name = cleaned_branches[selected_option - 1]

  cmd = flag == 'copy' ? "echo #{branch_name} | pbcopy" : "git checkout #{branch_name}"

  Open3.capture3(cmd)
end

#cleaned_branches ⇒ Object 



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# File 'lib/git-branch-selector.rb', line 54

def cleaned_branches
  @cleaned_branches ||= get_branches.split("\n").map do |branch|
    branch.split(/\s+\d+\t\s+/).last
  end
end

#get_branches ⇒ Object 



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# File 'lib/git-branch-selector.rb', line 60

def get_branches
  get_branches_cmd = "git log -g --grep-reflog 'checkout:' --format='%gs' | sed -E 's/checkout: moving from .* to//g' | awk '!seen[$0]++' | head -n #{branch_lookback_count} | cat -n"

  recent_branches, = Open3.capture3(get_branches_cmd)
  recent_branches
end

#show_list ⇒ Object 



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# File 'lib/git-branch-selector.rb', line 48

def show_list
  cleaned_branches.each_with_index do |b, i|
    puts "#{i + 1}: #{b}"
  end
end