Class: Dr::GitPackage

Inherits:
Package show all
Defined in:
lib/dr/gitpackage.rb

Instance Attribute Summary

Attributes inherited from Package

#name

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Package

#<=>, #build_exists?, #history, #remove_build

Methods included from Logger

#log, log, set_logfile, set_verbosity, #tag

Constructor Details

#initialize(name, repo) ⇒ GitPackage

Returns a new instance of GitPackage.



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# File 'lib/dr/gitpackage.rb', line 67

def initialize(name, repo)
  super name, repo

  @git_dir = "#{repo.location}/packages/#{name}/source"
  @default_branch = get_current_branch
end

Class Method Details

.setup(repo, git_addr, default_branch, force = false) ⇒ Object 



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# File 'lib/dr/gitpackage.rb', line 14

def self.setup(repo, git_addr, default_branch, force=false)
  Dir.mktmpdir do |tmp|
    git_cmd = "git clone --mirror --branch #{default_branch} " +
              "#{git_addr} #{tmp}/git"
    ShellCmd.new git_cmd, :tag => "git", :show_out => true

    FileUtils.mkdir_p "#{tmp}/src"

    log :info, "Extracting the sources"
    git_cmd ="git --git-dir #{tmp}/git --bare archive " +
             "--format tar #{default_branch} | tar x -C #{tmp}/src"
    ShellCmd.new git_cmd, :tag => "git", :show_out => true

    unless File.exists? "#{tmp}/src/debian/control"
      log :err, "The debian packaging files not found in the repository"
      raise "Adding a package from #{git_addr} failed"
    end

    src_name = nil
    File.open "#{tmp}/src/debian/control", "r" do |f|
      f.each_line do |line|
        match = line.match(/^Source: (.+)$/)
        if match
          src_name = match.captures[0]
          break
        end
      end
    end

    unless src_name
      log :err, "Couldn't identify the source package"
      raise "Adding a package from #{git_addr} failed"
    end

    pkg_dir = "#{repo.location}/packages/#{src_name}"
    if File.exists? pkg_dir
      log :warn, "The package already exists. Add -f to insert it anyway."
      raise "Adding failed"
    end

    log :info, "Adding #{src_name.style "pkg-name"} to the repository"
    FileUtils.mkdir_p "#{pkg_dir}"

    log :info, "Setting up builds directory"
    FileUtils.mkdir_p "#{pkg_dir}/builds"

    log :info, "Setting up the source directory"
    FileUtils.mv "#{tmp}/git", "#{pkg_dir}/source"

    log :info, "The #{src_name.style "pkg-name"} package added successfully"
  end
end

Instance Method Details

#build(branch = nil, force = false) ⇒ Object 



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# File 'lib/dr/gitpackage.rb', line 141

def build(branch=nil, force=false)
  branch = @default_branch unless branch

  version = nil

  orig_rev, curr_rev = update_from_origin branch

  unless curr_rev
    log :err,  "Branch #{branch.fg "blue"} not found in #{@name.style "pkg-name"}"
    raise "The requested branch doesn't exist in the repository!"
  end

  log :info, "Branch #{branch.fg "blue"}, revision #{curr_rev[0..7].fg "blue"}"
  unless force
    history.each do |v|
      metadata = @repo.get_build_metadata @name, v
      if metadata.has_key?("revision") && metadata["revision"] == curr_rev
        msg = "This revision of #{@name.style "pkg-name"} has already " +
              "been built and is available as #{v.to_s.style "version"}"
        log :info, msg
        return v
      end
    end
  end

  Dir.mktmpdir do |src_dir|
    checkout branch, src_dir

    version_string = get_version "#{src_dir}/debian/changelog"
    unless version_string
      log :err, "Couldn't get the version string from the changelog"
      raise "The changelog format doesn't seem be right"
    end

    version = PkgVersion.new version_string
    log :info, "Source version: #{version.source.style "version"}"

    version.add_build_tag
    while build_exists? version
      version.increment!
    end
    log :info, "Build version: #{version.to_s.style "version"}"

    log :info, "Updating changelog"
    now = Time.new.strftime("%a, %-d %b %Y %T %z")
    ch_entry = "#{@name} (#{version}) kano; urgency=low\n"
    ch_entry << "\n"
    ch_entry << "  * Package rebuilt, updated to revision #{curr_rev[0..7]}.\n"
    ch_entry << "\n"
    ch_entry << " -- Team Kano <[email protected]>  #{now}\n\n"

    changelog = ""
    File.open "#{src_dir}/debian/changelog", "r" do |f|
      changelog = f.read
    end

    File.open "#{src_dir}/debian/changelog", "w" do |f|
      f.write ch_entry
      f.write changelog
    end

    repo_arches = @repo.get_architectures
    pkg_arches = get_architectures("#{src_dir}/debian/control")
    arches = case
      when pkg_arches.include?("any")
        repo_arches
      when pkg_arches.include?("all")
        ["all"]
      else
        repo_arches & pkg_arches
      end

    if repo_arches.length == 0
      log :err, "#{@name.style "pkg-name"} cannot be build for any of " +
                  "the architectures supported by this repository"
      raise "Unable to build the package for this repository"
    end

    benv = :default
    src_meta = get_configuration
    if src_meta.has_key? :build_environment
      benv = src_meta[:build_environment].to_sym
    end

    arches.each do |arch|
      @repo.buildroot(arch, benv).open do |br|
        log :info, "Building the #{@name.style "pkg-name"} package " +
                   "version #{version.to_s.style "version"} for #{arch}"

        # Moving to the proper directory
        build_dir_name = "#{@name}-#{version.upstream}"
        build_dir = "#{br}/#{build_dir_name}"
        FileUtils.cp_r src_dir, build_dir

        # Make orig tarball
        all_files = Dir["#{build_dir}/*"] + Dir["#{build_dir}/.*"]
        excluded_files = ['.', '..', '.git']
        selected_files = all_files.select { |path| !excluded_files.include?(File.basename(path)) }
        files = selected_files.map { |f| "\"#{File.basename f}\"" }.join " "
        log :info, "Creating orig source tarball"
        tar = "tar cz -C #{build_dir} --exclude=debian " +
              "-f #{br}/#{@name}_#{version.upstream}.orig.tar.gz " +
              "#{files}"
        ShellCmd.new tar, :tag => "tar"

        apt = "sudo chroot #{br} apt-get update"
        deps = <<-EOS
sudo chroot #{br} <<EOF
dpkg-source -b "/#{build_dir_name}"
mk-build-deps *.dsc -i -t "apt-get --no-install-recommends -y"
rm -rf #{@name}-build-deps_*
EOF
EOS
      build = <<-EOS
sudo chroot #{br} <<EOF
cd /#{build_dir_name}
debuild -i -uc -us -b
EOF
EOS

        log :info, "Updating the sources lists"
        ShellCmd.new apt, :tag => "apt-get", :show_out => true

        log :info, "Installing build dependencies"
        ShellCmd.new deps, :tag => "mk-build-deps", :show_out => true

        log :info, "Building the package"
        ShellCmd.new build, :tag => "debuild", :show_out => true

        debs = Dir["#{br}/*.deb"]
        expected_pkgs = get_subpackage_names "#{src_dir}/debian/control"
        expected_pkgs.each do |subpkg_name|
          includes = debs.inject(false) do |r, n|
            r || ((/^#{br}\/#{subpkg_name}_#{version.to_s omit_epoch=true}/ =~ n) != nil)
          end

          unless includes
            log :err, "Subpackage #{subpkg_name} did not build properly"
            raise "Building #{name} failed"
          end
        end

        build_dir = "#{@repo.location}/packages/#{@name}/builds/#{version}"
        FileUtils.mkdir_p build_dir
        debs.each do |pkg|
          FileUtils.cp pkg, build_dir

          deb_filename = File.basename(pkg)
          log :info, "Signing the #{deb_filename.style "subpkg-name"} package"
          @repo.sign_deb "#{build_dir}/#{deb_filename}"
        end

        log :info, "Writing package metadata"
        File.open "#{build_dir}/.metadata", "w" do |f|
          YAML.dump({"branch" => branch, "revision" => curr_rev}, f)
        end
        log :info, "The #{@name.style "pkg-name"} package was " +
                   "built successfully."
      end
    end
  end
  version
end

#get_configuration ⇒ Object 



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# File 'lib/dr/gitpackage.rb', line 124

def get_configuration
  md_file = "#{@repo.location}/packages/#{@name}/metadata"
  if File.exists? md_file
    Utils::symbolise_keys YAML.load_file md_file
  else
    {}
  end
end

#reinitialise_repo(git_addr = nil, branch = nil) ⇒ Object 



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# File 'lib/dr/gitpackage.rb', line 74

def reinitialise_repo(git_addr=nil, branch=nil)
  git_addr ||= get_repo_url
  branch ||= @default_branch

  log :info, "Re-downloading the source repository of " +
             "#{@name.style "pkg-name"}"
  Dir.mktmpdir do |tmp|
    git_cmd = "git clone --mirror --branch #{branch} " +
              "#{git_addr} #{tmp}/git"
    ShellCmd.new git_cmd, :tag => "git", :show_out => true

    src_dir = "#{tmp}/src"
    FileUtils.mkdir_p src_dir

    checkout branch, src_dir, "#{tmp}/git"

    unless File.exists? "#{src_dir}/debian/control"
      log :err, "The debian packaging files not found in the repository"
      raise "Adding a package from #{git_addr} failed"
    end

    src_name = nil
    File.open "#{tmp}/src/debian/control", "r" do |f|
      f.each_line do |line|
        match = line.match(/^Source: (.+)$/)
        if match
          src_name = match.captures[0]
          break
        end
      end
    end

    unless src_name
      log :err, "Couldn't identify the source package"
      raise "Adding a package from #{git_addr} failed"
    end

    unless src_name == @name
      log :err, "The name of the package in the repo has changed"
      raise "Adding a package from #{git_addr} failed"
    end

    src_dir = "#{@repo.location}/packages/#{@name}/source"
    FileUtils.rm_rf src_dir
    FileUtils.mv "#{tmp}/git", "#{src_dir}"
  end

  @default_branch = branch
end

#set_configuration(config) ⇒ Object 



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# File 'lib/dr/gitpackage.rb', line 133

def set_configuration(config)
  # TODO: Some validation needed
  md_file = "#{@repo.location}/packages/#{@name}/metadata"
  File.open(md_file, "w") do |f|
    YAML.dump Utils::stringify_symbols(config), f
  end
end

#tag_release(tag_name, revision, options = {}) ⇒ Object 



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# File 'lib/dr/gitpackage.rb', line 305

def tag_release(tag_name, revision, options={})
  url = get_repo_url

  log :info, "Tagging #{@name.style "pkg-name"} package for " +
             "#{tag_name.fg "yellow"} release"

  gh_repo = case url
    when /git\@github.com\:/i then url.split(":")[1].gsub(/\.git$/, "").strip
    when /github.com\//i then url.split("/")[-2..-1].join("/").gsub(/\.git$/, "").strip
    else nil
  end

  if gh_repo == nil
    git_cmd = "git --git-dir #{@git_dir} tag #{tag}"
    git = ShellCmd.new git_cmd,
      :tag => "git",
      :show_out => false,
      :raise_on_error => false

    if git.status == 128
      log :warn, "Tag #{tag_name.fg "yellow"} already exists."
      return
    end

    git_cmd = "git --git-dir #{@git_dir} push origin --tags"
    git = ShellCmd.new git_cmd, :show_out => false

    return
  end

  title = options["title"] || "Kano OS #{tag_name}"
  summary = options["summary"] || "https://github.com/KanoComputing/peldins/wiki/Changelog-#{tag_name}"

  token = ENV["GITHUB_API_TOKEN"]
  client = Octokit::Client.new :access_token => token

  releases = client.releases gh_repo
  ri = releases.index { |r| r[:tag_name] == tag_name }

  if ri == nil
    client.create_release gh_repo, tag_name,
      :target_commitish => revision,
      :name => title,
      :body => summary
  else
    log :warn, "The #{tag_name.fg "yellow"} release exists already for #{@name.style "pkg-name"}."
  end
end