Class: FPM::Package::Sh

Inherits:
FPM::Package show all
Defined in:
lib/fpm/package/sh.rb

Overview

Support for self extracting sh files (.sh files)

This class only supports output of packages.

The sh package is a single sh file with a bzipped tar payload concatenated to the end. The script can unpack the tarball to install it and call optional post install scripts.

Instance Attribute Summary

Attributes inherited from FPM::Package

#architecture, #attributes, #attrs, #category, #config_files, #conflicts, #dependencies, #description, #directories, #epoch, #iteration, #license, #maintainer, #name, #provides, #replaces, #scripts, #url, #vendor, #version

Instance Method Summary collapse

Methods inherited from FPM::Package

apply_options, #build_path, #cleanup, #cleanup_build, #cleanup_staging, #convert, #converted_from, default_attributes, #edit_file, #files, inherited, #initialize, #input, option, #script, #staging_path, #to_s, #type, type, types

Methods included from Util

#copied_entries, #copy_entry, #default_shell, #expand_pessimistic_constraints, #logger, #mknod_w, #program_exists?, #program_in_path?, #safesystem, #safesystemout, #tar_cmd, #with

Constructor Details

This class inherits a constructor from FPM::Package

Instance Method Details

#create_scripts ⇒ Object 



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# File 'lib/fpm/package/sh.rb', line 26

def create_scripts
  if script?(:before_install)
    # the scripts are kept in the payload so what would before install be if we've already
    # unpacked the payload?
    raise "sh package does not support before install scripts."
  end

  if script?(:after_install)
    File.write(File.join(fpm_meta_path, "after_install"), script(:after_install))
  end
end

#fpm_meta_path ⇒ Object

Where we keep metadata and post install scripts and such



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# File 'lib/fpm/package/sh.rb', line 68

def fpm_meta_path
  @fpm_meta_path ||= begin
                       path = File.join(staging_path, ".fpm")
                       FileUtils.mkdir_p(path)
                       path
                     end
end

#install_script ⇒ Object 



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# File 'lib/fpm/package/sh.rb', line 38

def install_script
  path = build_path("installer.sh")
  File.open(path, "w") do |file|
    file.write template("sh.erb").result(binding)
  end
  path
end

#output(output_path) ⇒ Object 



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# File 'lib/fpm/package/sh.rb', line 18

def output(output_path)
  create_scripts

  # Make one file. The installscript can unpack itself.
  `cat #{install_script} #{payload} > #{output_path}`
  FileUtils.chmod("+x", output_path)
end

#payload ⇒ Object

Returns the path to the tar file containing the packed up staging directory



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# File 'lib/fpm/package/sh.rb', line 47

def payload
  payload_tar = build_path("payload.tar")
  logger.info("Creating payload tar ", :path => payload_tar)

  args = [ tar_cmd,
           "-C",
           staging_path,
           "-cf",
           payload_tar,
           "--owner=0",
           "--group=0",
           "--numeric-owner",
           "." ]

  unless safesystem(*args)
    raise "Command failed while creating payload tar: #{args}"
  end
  payload_tar
end