Class: Drupid::Patch

Inherits:
Object
  • Object
show all
Includes:
Utils
Defined in:
lib/drupid/patch.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Utils

#blah, #bzr, #compare_paths, #curl, #cvs, #debug, #dont_debug, #git, #hg, #ignore_interrupts, #interactive_shell, #odie, #ofail, #ohai, #owarn, #runBabyRun, #svn, #tempdir, #uncompress, #which, #writeFile

Constructor Details

#initialize(url, descr, md5 = nil) ⇒ Patch

Returns a new instance of Patch.



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# File 'lib/drupid/patch.rb', line 32

def initialize url, descr, md5 = nil
  @url = url
  @descr = descr
  @md5 = md5
  @cached_location = nil
end

Instance Attribute Details

#cached_location ⇒ Object (readonly)

Returns the value of attribute cached_location.



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# File 'lib/drupid/patch.rb', line 30

def cached_location
  @cached_location
end

#descr ⇒ Object (readonly)

Returns the value of attribute descr.



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# File 'lib/drupid/patch.rb', line 29

def descr
  @descr
end

#md5 ⇒ Object (readonly)

Returns the value of attribute md5.



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# File 'lib/drupid/patch.rb', line 28

def md5
  @md5
end

#url ⇒ Object (readonly)

Returns the value of attribute url.



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# File 'lib/drupid/patch.rb', line 27

def url
  @url
end

Instance Method Details

#apply ⇒ Object

Applies this patch in the current directory. Raises an error if the patch cannot be applied.



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# File 'lib/drupid/patch.rb', line 55

def apply
  debug "Applying patch at #{Dir.pwd}"
  raise "Patch not fetched." if !(@cached_location and @cached_location.exist?)
  patch_levels = ['-p1', '-p0']
  patched = false
  output = ''
  # First try with git apply
  patch_levels.each do |pl|
    begin
      runBabyRun 'git', ['apply', '--check', pl, @cached_location], :redirect_stderr_to_stdout => true
      runBabyRun 'git', ['apply', pl, @cached_location], :redirect_stderr_to_stdout => true
      patched = true
      break
    rescue => ex
      output << ex.to_s
    end
  end
  if not patched
    patch_levels.each do |pl|
      begin
        runBabyRun 'patch', ['--no-backup-if-mismatch', '-f', pl, '-d', Dir.pwd, '-i', @cached_location], :redirect_stderr_to_stdout => true
        patched = true
        break
      rescue => ex
        output << ex.to_s
      end
    end
  end
  if not patched
    if descr and descr != @cached_location.basename.to_s
      d = " (#{descr})"
    else
      d = ''
    end
    raise "Patch #{@cached_location.basename}#{d} could not be applied.\n" + output
  end
  return true
end

#fetch ⇒ Object

Downloads the patch into the current directory.



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# File 'lib/drupid/patch.rb', line 40

def fetch
  dst = Pathname.pwd+File.basename(@url.to_s)
  blah "Fetching patch..."
  begin
    curl @url.to_s, '-o', dst
  rescue => ex
    raise "Patch #{File.basename(@url.to_s)} could not be fetched."
    debug ex.message
  end
  @cached_location = dst
  debug "Patch downloaded into #{@cached_location}"
end