Module: Promptula

Defined in:
lib/promptula.rb,
lib/promptula/version.rb

Constant Summary collapse

SEPARATOR = 
"\u25B6"
SEPARATOR_THIN = 
"\u276F"
PATH_SEPARATOR = 
'/'
BACKGROUND = 
"3a3a3a"
GLYPH = 
"\u2733"
PULL_ARROW = 
"\u2798"
PUSH_ARROW = 
"\u279A"
VERSION = 
"0.0.8"

Class Method Summary collapse

Class Method Details

.cwd ⇒ Object 



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# File 'lib/promptula.rb', line 12

def self.cwd()
  current = Dir.pwd
  home = ENV['HOME']
  ret = ''
  current.sub(home, '~').split('/').each do |segment|
    ret += PATH_SEPARATOR.foreground(:black).background(BACKGROUND) if segment != '~'
    ret += "#{segment}".background BACKGROUND
  end
  ret + ' '.background(BACKGROUND)
end

.git ⇒ Object 



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# File 'lib/promptula.rb', line 23

def self.git()
  if system 'git status > /dev/null 2>/dev/null'
    branch = `git rev-parse --abbrev-ref HEAD`.chomp
    branch.split("\n").each do |line|
      if line[0] == '*'
        branch = line.sub('*', '').chomp
      end
    end
    tracking = Hash[`git for-each-ref --format='%(refname:short) %(upstream:short)' refs/heads`
      .split("\n")
      .map {|l| l.split ' '}]

    status = `git status --ignore-submodules --porcelain`
    untracked = (status.match('\?\?') or '').size > 0 ? " #{GLYPH}" : ''
    dirty = status.size > 0
    background = dirty ? :red : :green
    prompt = SEPARATOR.foreground(background).background(BACKGROUND).inverse
    prompt += "#{branch}#{untracked} ".background(background)
    remote = tracking[branch]
    if remote
      push_pull  = `git rev-list --left-right #{remote}...HEAD`.split("\n")
      to_push = (push_pull.select {|m| m.start_with? '>'}).length
      to_pull = (push_pull.select {|m| m.start_with? '<'}).length
      if to_pull > 0
        prompt += "#{PULL_ARROW}#{to_pull} ".background(background)
      end
      if to_push > 0
        prompt += "#{PUSH_ARROW}#{to_push} ".background(background)
      end
    end
    prompt += SEPARATOR.foreground(background).reset()
    prompt
  else
    ''
  end
end

.prompt ⇒ Object 



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# File 'lib/promptula.rb', line 60

def self.prompt()
  Sickill::Rainbow.enabled = true
  cwd() + git()
end