Class: Deb::Fog::Package

Inherits:
Object
  • Object
show all
Extended by:
Utils
Includes:
Utils
Defined in:
lib/deb/fog/package.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Utils

bucket, bucket=, debianize_op, fog, fog=, fog_escape, fog_exists?, fog_path, fog_read, fog_remove, fog_store, gpg_options, gpg_options=, is_public, is_public=, prefix, prefix=, safesystem, signing_key, signing_key=, template

Constructor Details

#initialize ⇒ Package

Returns a new instance of Package.



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# File 'lib/deb/fog/package.rb', line 83

def initialize
  @attributes = {}

  # Reference
  # http://www.debian.org/doc/manuals/maint-guide/first.en.html
  # http://wiki.debian.org/DeveloperConfiguration
  # https://github.com/jordansissel/fpm/issues/37
  if ENV.include?("DEBEMAIL") and ENV.include?("DEBFULLNAME")
    # Use DEBEMAIL and DEBFULLNAME as the default maintainer if available.
    @maintainer = "#{ENV["DEBFULLNAME"]} <#{ENV["DEBEMAIL"]}>"
  else
    # TODO(sissel): Maybe support using 'git config' for a default as well?
    # git config --get user.name, etc can be useful.
    #
    # Otherwise default to user@currenthost
    @maintainer = "<#{ENV["USER"]}@#{Socket.gethostname}>"
  end

  @name = nil
  @architecture = "native"
  @description = "no description given"
  @version = nil
  @epoch = nil
  @iteration = nil
  @url = nil
  @category = "default"
  @license = "unknown"
  @vendor = "none"
  @sha1 = nil
  @sha256 = nil
  @md5 = nil
  @size = nil
  @filename = nil
  @url_filename = nil

  @provides = []
  @conflicts = []
  @replaces = []
  @dependencies = []

  @needs_uploading = false
end

Instance Attribute Details

#architecture ⇒ Object

Returns the value of attribute architecture.



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# File 'lib/deb/fog/package.rb', line 19

def architecture
  @architecture
end

#attributes ⇒ Object

Any other attributes specific to this package. This is where you’d put rpm, deb, or other specific attributes.



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# File 'lib/deb/fog/package.rb', line 31

def attributes
  @attributes
end

#category ⇒ Object

Returns the value of attribute category.



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# File 'lib/deb/fog/package.rb', line 17

def category
  @category
end

#conflicts ⇒ Object

Returns the value of attribute conflicts.



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# File 'lib/deb/fog/package.rb', line 24

def conflicts
  @conflicts
end

#dependencies ⇒ Object

Returns the value of attribute dependencies.



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# File 'lib/deb/fog/package.rb', line 22

def dependencies
  @dependencies
end

#description ⇒ Object

Returns the value of attribute description.



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# File 'lib/deb/fog/package.rb', line 20

def description
  @description
end

#epoch ⇒ Object

Returns the value of attribute epoch.



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# File 'lib/deb/fog/package.rb', line 12

def epoch
  @epoch
end

#excludes ⇒ Object

Returns the value of attribute excludes.



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# File 'lib/deb/fog/package.rb', line 26

def excludes
  @excludes
end

#filename ⇒ Object

Returns the value of attribute filename.



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# File 'lib/deb/fog/package.rb', line 40

def filename
  @filename
end

#iteration ⇒ Object

Returns the value of attribute iteration.



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# File 'lib/deb/fog/package.rb', line 13

def iteration
  @iteration
end

#license ⇒ Object

Returns the value of attribute license.



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# File 'lib/deb/fog/package.rb', line 18

def license
  @license
end

#maintainer ⇒ Object

Returns the value of attribute maintainer.



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# File 'lib/deb/fog/package.rb', line 14

def maintainer
  @maintainer
end

#md5 ⇒ Object

Returns the value of attribute md5.



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# File 'lib/deb/fog/package.rb', line 37

def md5
  @md5
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/deb/fog/package.rb', line 10

def name
  @name
end

#provides ⇒ Object

Returns the value of attribute provides.



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# File 'lib/deb/fog/package.rb', line 23

def provides
  @provides
end

#replaces ⇒ Object

Returns the value of attribute replaces.



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# File 'lib/deb/fog/package.rb', line 25

def replaces
  @replaces
end

#sha1 ⇒ Object

Returns the value of attribute sha1.



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# File 'lib/deb/fog/package.rb', line 35

def sha1
  @sha1
end

#sha256 ⇒ Object

Returns the value of attribute sha256.



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# File 'lib/deb/fog/package.rb', line 36

def sha256
  @sha256
end

#size ⇒ Object

Returns the value of attribute size.



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# File 'lib/deb/fog/package.rb', line 38

def size
  @size
end

#url ⇒ Object

Returns the value of attribute url.



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# File 'lib/deb/fog/package.rb', line 16

def url
  @url
end

#url_filename ⇒ Object

hashes



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# File 'lib/deb/fog/package.rb', line 34

def url_filename
  @url_filename
end

#vendor ⇒ Object

Returns the value of attribute vendor.



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# File 'lib/deb/fog/package.rb', line 15

def vendor
  @vendor
end

#version ⇒ Object

Returns the value of attribute version.



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# File 'lib/deb/fog/package.rb', line 11

def version
  @version
end

Class Method Details

.extract_control(package) ⇒ Object 



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# File 'lib/deb/fog/package.rb', line 59

def extract_control(package)
  if system("which dpkg &> /dev/null")
    `dpkg -f #{package}`
  else
    # ar fails to find the control.tar.gz tarball within the .deb
    # on Mac OS. Try using ar to list the control file, if found,
    # use ar to extract, otherwise attempt with tar which works on OS X.
    extract_control_tarball_cmd = "ar p #{package} control.tar.gz"

    begin
      safesystem("ar t #{package} control.tar.gz &> /dev/null")
    rescue SafeSystemError
      warn "Failed to find control data in .deb with ar, trying tar."
      extract_control_tarball_cmd = "tar zxf #{package} --to-stdout control.tar.gz"
    end

    Dir.mktmpdir do |path|
      safesystem("#{extract_control_tarball_cmd} | tar -zxf - -C #{path}")
      File.read(File.join(path, "control"))
    end
  end
end

.parse_file(package) ⇒ Object 



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# File 'lib/deb/fog/package.rb', line 45

def parse_file(package)
  p = self.new
  p.extract_info(extract_control(package))
  p.apply_file_info(package)
  p.filename = package
  p
end

.parse_string(s) ⇒ Object 



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# File 'lib/deb/fog/package.rb', line 53

def parse_string(s)
  p = self.new
  p.extract_info(s)
  p
end

Instance Method Details

#apply_file_info(file) ⇒ Object

def extract_info



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# File 'lib/deb/fog/package.rb', line 280

def apply_file_info(file)
  self.size = File.size(file)
  self.sha1 = Digest::SHA1.file(file).hexdigest
  self.sha256 = Digest::SHA2.file(file).hexdigest
  self.md5 = Digest::MD5.file(file).hexdigest
end

#extract_info(control) ⇒ Object

from fpm



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# File 'lib/deb/fog/package.rb', line 228

def extract_info(control)
  parse = lambda do |field|
    value = control[/^#{field}: .*/]
    if value.nil?
      return nil
    else
      return value.split(": ",2).last
    end
  end

  # Parse 'epoch:version-iteration' in the version string
  version_re = /^(?:([0-9]+):)?(.+?)(?:-(.*))?$/
  m = version_re.match(parse.call("Version"))
  if !m
    raise "Unsupported version string '#{parse.call("Version")}'"
  end
  self.epoch, self.version, self.iteration = m.captures

  self.architecture = parse.call("Architecture")
  self.category = parse.call("Section")
  self.license = parse.call("License") || self.license
  self.maintainer = parse.call("Maintainer")
  self.name = parse.call("Package")
  self.url = parse.call("Homepage")
  self.vendor = parse.call("Vendor") || self.vendor
  self.attributes[:deb_priority] = parse.call("Priority")
  self.attributes[:deb_origin] = parse.call("Origin")
  self.attributes[:deb_installed_size] = parse.call("Installed-Size")

  # Packages manifest fields
  self.url_filename = parse.call("Filename")
  self.sha1 = parse.call("SHA1")
  self.sha256 = parse.call("SHA256")
  self.md5 = parse.call("MD5sum")
  self.size = parse.call("Size")

  # The description field is a special flower, parse it that way.
  # The description is the first line as a normal Description field, but also continues
  # on future lines indented by one space, until the end of the file. Blank
  # lines are marked as ' .'
  description = control[/^Description: .*[^\Z]/m]
  description = description.gsub(/^[^(Description|\s)].*$/, "").split(": ", 2).last
  self.description = description.gsub(/^ /, "").gsub(/^\.$/, "")

  #self.config_files = config_files

  self.dependencies += Array(parse_depends(parse.call("Depends")))
  self.conflicts += Array(parse_depends(parse.call("Conflicts")))
  self.provides += Array(parse_depends(parse.call("Provides")))
  self.replaces += Array(parse_depends(parse.call("Replaces")))
end

#fix_dependency(dep) ⇒ Object

from fpm



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# File 'lib/deb/fog/package.rb', line 175

def fix_dependency(dep)
  # Deb dependencies are: NAME (OP VERSION), like "zsh (> 3.0)"
  # Convert anything that looks like 'NAME OP VERSION' to this format.
  if dep =~ /[\(,\|]/
    # Don't "fix" ones that could appear well formed already.
  else
    # Convert ones that appear to be 'name op version'
    name, op, version = dep.split(/ +/)
    if !version.nil?
      # Convert strings 'foo >= bar' to 'foo (>= bar)'
      dep = "#{name} (#{debianize_op(op)} #{version})"
    end
  end

  name_re = /^[^ \(]+/
  name = dep[name_re]
  if name =~ /[A-Z]/
    dep = dep.gsub(name_re) { |n| n.downcase }
  end

  if dep.include?("_")
    dep = dep.gsub("_", "-")
  end

  # Convert gem ~> X.Y.Z to '>= X.Y.Z' and << X.Y+1.0
  if dep =~ /\(~>/
    name, version = dep.gsub(/[()~>]/, "").split(/ +/)[0..1]
    nextversion = version.split(".").collect { |v| v.to_i }
    l = nextversion.length
    nextversion[l-2] += 1
    nextversion[l-1] = 0
    nextversion = nextversion.join(".")
    return ["#{name} (>= #{version})", "#{name} (<< #{nextversion})"]
  elsif (m = dep.match(/(\S+)\s+\(!= (.+)\)/))
    # Append this to conflicts
    self.conflicts += [dep.gsub(/!=/,"=")]
    return []
  elsif (m = dep.match(/(\S+)\s+\(= (.+)\)/)) and
      self.attributes[:deb_ignore_iteration_in_dependencies?]
    # Convert 'foo (= x)' to 'foo (>= x)' and 'foo (<< x+1)'
    # but only when flag --ignore-iteration-in-dependencies is passed.
    name, version = m[1..2]
    nextversion = version.split('.').collect { |v| v.to_i }
    nextversion[-1] += 1
    nextversion = nextversion.join(".")
    return ["#{name} (>= #{version})", "#{name} (<< #{nextversion})"]
  else
    # otherwise the dep is probably fine
    return dep.rstrip
  end
end

#generate ⇒ Object 



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# File 'lib/deb/fog/package.rb', line 144

def generate
  template("package.erb").result(binding)
end

#needs_uploading? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/deb/fog/package.rb', line 140

def needs_uploading?
  @needs_uploading
end

#parse_depends(data) ⇒ Object

from fpm



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# File 'lib/deb/fog/package.rb', line 149

def parse_depends(data)
  return [] if data.nil? or data.empty?
  # parse dependencies. Debian dependencies come in one of two forms:
  # * name
  # * name (op version)
  # They are all on one line, separated by ", "

  dep_re = /^([^ ]+)(?: \(([>=<]+) ([^)]+)\))?$/
  return data.split(/, */).collect do |dep|
    m = dep_re.match(dep)
    if m
      name, op, version = m.captures
      # this is the proper form of dependency
      if op && version && op != "" && version != ""
        "#{name} (#{op} #{version})".strip
      else
        name.strip
      end
    else
      # Assume normal form dependency, "name op version".
      dep
    end
  end
end

#url_filename_encoded ⇒ Object 



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# File 'lib/deb/fog/package.rb', line 136

def url_filename_encoded
  @url_filename || "pool/#{self.name[0]}/#{self.name[0..1]}/#{fog_escape(File.basename(self.filename))}"
end