Class: Lolcommits::Installation

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

Overview

Methods to handle enabling and disabling of lolcommits

Constant Summary collapse

HOOK_PATH = 
File.join '.git', 'hooks', 'post-commit'
HOOK_DIR = 
File.join '.git', 'hooks'

Class Method Summary collapse

Class Method Details

.do_disable ⇒ Object

IF –DISABLE, DO DISABLE



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# File 'lib/lolcommits/installation.rb', line 51

def self.do_disable
  if lolcommits_hook_exists?
    remove_existing_hook!
    info "uninstalled lolcommits hook (from #{HOOK_PATH})"
  elsif File.exists?(HOOK_PATH)
    info "couldn't find an lolcommits hook (at #{HOOK_PATH})"
    if File.read(HOOK_PATH) =~ /lolcommit/
      info "warning: an older-style lolcommit hook may still exist, edit #{HOOK_PATH} to remove it manually"
    end
  else
    info "no post commit hook found (at #{HOOK_PATH}), so there is nothing to uninstall"
  end
end

.do_enable ⇒ Object

IF –ENABLE, DO ENABLE



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# File 'lib/lolcommits/installation.rb', line 13

def self.do_enable
  if not File.directory?('.git')
    fatal "You don't appear to be in the base directory of a git project."
    exit 1
  end

  # its possible a hooks dir doesnt exist, so create it if so
  if not File.directory?(HOOK_DIR)
    Dir.mkdir(HOOK_DIR)
  end

  # clear away any existing lolcommits hook
  if hook_file_exists?
    remove_existing_hook! if lolcommits_hook_exists?

    # check for a good shebang line in the existing hook
    unless good_shebang?
      warn "the existing hook (at #{HOOK_PATH}) doesn't start with with a good shebang; like #!/bin/sh"
      exit 1
    end
  end

  File.open(HOOK_PATH, hook_file_exists? ? 'a' : 'w') do |f|
    f.write(hook_script(!hook_file_exists?))
  end

  FileUtils.chmod 0755, HOOK_PATH

  info 'installed lolcommit hook to:'
  info "  -> #{File.expand_path(HOOK_PATH)}"
  info '(to remove later, you can use: lolcommits --disable)'
  # we dont symlink, but rather install a small stub that calls the one from path
  # that way, as gem version changes, script updates even if new file thus breaking symlink
end