Class: PreCommit::Installer

Inherits:
Object
  • Object
show all
Defined in:
lib/pre-commit/installer.rb

Constant Summary collapse

TARGET_GIT_PATH =
'.git'
TARGET_HOOKS_PATH =
'hooks/pre-commit'
TEMPLATE_DIR =
File.expand_path("../../../templates/hooks/", __FILE__)

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(key = nil) ⇒ Installer

Returns a new instance of Installer.


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# File 'lib/pre-commit/installer.rb', line 13

def initialize(key = nil)
  @key = key || "automatic"
end

Instance Attribute Details

#keyObject (readonly)

Returns the value of attribute key


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# File 'lib/pre-commit/installer.rb', line 11

def key
  @key
end

Instance Method Details

#hookObject


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# File 'lib/pre-commit/installer.rb', line 17

def hook
  templates[key.sub(/^--/, "")]
end

#installObject


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# File 'lib/pre-commit/installer.rb', line 30

def install
  if
    hook
  then
    FileUtils.mkdir_p(File.dirname(target))
    FileUtils.cp(hook, target)
    FileUtils.chmod(0755, target)
    puts "Installed #{hook} to #{target}"
    true
  else
    warn "Could not find template #{key}"
    false
  end
end

#targetObject


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# File 'lib/pre-commit/installer.rb', line 21

def target
  target_git_path =
  if   File.directory?(TARGET_GIT_PATH)
  then TARGET_GIT_PATH
  else File.readlines('.git').first.match(/gitdir: (.*)$/)[1]
  end
  File.join(target_git_path, TARGET_HOOKS_PATH)
end

#templatesObject


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# File 'lib/pre-commit/installer.rb', line 45

def templates
  @templates ||= begin
    pattern = File.join(TEMPLATE_DIR, "*")

    Dir.glob(pattern).inject({}) do |hash, file|
      key = file.match(/\/([^\/]+?)$/)[1]
      hash[key] = file
      hash
    end
  end
end