Add pkgsrc package

Delete wrk directory and add removal instructions

Add pre-built binaries

packages/pkgsrc.rb

+require 'package'
+
+class Pkgsrc < Package
+  description 'pkgsrc is a framework for building third-party software on NetBSD and other UNIX-like systems'
+  homepage 'https://github.com/NetBSD/pkgsrc'
+  version '2020Q1'
+  source_url 'https://github.com/NetBSD/pkgsrc/archive/6ba7d2a6ee1388ad515177f5964681f2f6c13f13.tar.gz'
+  source_sha256 'fe2cf98d294cdd298c9191c33c5223860f73e9bed8b9d137f0c32a579ea49803'
+
+  binary_url ({
+    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/pkgsrc-2020Q1-chromeos-armv7l.tar.xz',
+     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/pkgsrc-2020Q1-chromeos-armv7l.tar.xz',
+       i686: 'https://dl.bintray.com/chromebrew/chromebrew/pkgsrc-2020Q1-chromeos-i686.tar.xz',
+     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/pkgsrc-2020Q1-chromeos-x86_64.tar.xz',
+  })
+  binary_sha256 ({
+    aarch64: '3e5874fdcfe1f9bbc4379c408ea2c306938b8b81aab05a733b0431cd4560c777',
+     armv7l: '3e5874fdcfe1f9bbc4379c408ea2c306938b8b81aab05a733b0431cd4560c777',
+       i686: 'cc7393a04bcb20413e773d265c8855554bb38d4e16bb3b802029a21d9f8a2708',
+     x86_64: 'b461407fd6f86a40d4c5edae331096e57c2d9cdd0fff2e2de6f2d6ab06f53b6a',
+  })
+
+  def self.build
+    system "cat << 'EOF' > pkglocate
+#!/bin/bash
+cd #{CREW_PREFIX}/pkgsrc
+./pkglocate \"\$@\"
+EOF"
+  end
+
+  def self.install
+    case ARCH
+    when 'aarch64', 'armv7l'
+      abi = ''
+    when 'i686'
+      abi = '32'
+    when 'x86_64'
+      abi = '64'
+    end
+    ENV['SH'] = '/bin/bash'
+    ENV['OS_VARIANT'] = 'chromeos'
+    ENV['TMPDIR'] = "#{CREW_PREFIX}/tmp"
+    FileUtils.chdir 'bootstrap' do
+      system "./bootstrap --abi=#{abi} --preserve-path --unprivileged --prefix=#{CREW_PREFIX}/pkg \
+--pkgdbdir=#{CREW_PREFIX}/pkg/pkgdb --sysconfdir=#{CREW_PREFIX}/pkg/etc --varbase=#{CREW_PREFIX}/pkg/var \
+--workdir=#{CREW_DEST_PREFIX} --cwrappers=no --prefer-pkgsrc=yes --make-jobs=#{CREW_NPROC}"
+    end
+    FileUtils.mv "#{CREW_PREFIX}/pkg", "#{CREW_DEST_PREFIX}"
+    FileUtils.chdir "#{CREW_DEST_PREFIX}/bin" do
+      system 'rm -f bmake nawk sed'
+    end
+    FileUtils.chdir "#{CREW_DEST_PREFIX}/sbin" do
+      system 'rm -f *'
+    end
+    FileUtils.chdir "#{CREW_DEST_PREFIX}" do
+      system "wget ftp://ftp.netbsd.org/pub/pkgsrc/pkgsrc-#{version}/pkgsrc-#{version}.tar.xz"
+      abort 'Checksum mismatch. :/ Try again.'.lightred unless Digest::SHA256.hexdigest( File.read("pkgsrc-#{version}.tar.xz") ) == '133d2f79115c87ad7dbf6f7ab604ddc0d09afe3b1d3c4cda5670c1fb758eb283'
+      system "tar xvf pkgsrc-#{version}.tar.xz"
+      FileUtils.rm_f "pkgsrc-#{version}.tar.xz"
+      FileUtils.rm_rf 'wrk'
+    end
+    system "install -Dm755 pkglocate #{CREW_DEST_PREFIX}/pkg/sbin/pkglocate"
+  end
+
+  def self.postinstall
+    puts
+    puts "You may wish to have the vulnerabilities file downloaded daily so that it"
+    puts "remains current. This may be done by adding an appropriate entry to the root"
+    puts "users crontab(5) entry. For example, the entry"
+    puts
+    puts "# Download vulnerabilities file"
+    puts "0 3 * * * #{CREW_PREFIX}/pkg/sbin/pkg_admin fetch-pkg-vulnerabilities >/dev/null 2>&1"
+    puts "# Audit the installed packages and email results to root"
+    puts "9 3 * * * #{CREW_PREFIX}/pkg/sbin/pkg_admin audit |mail -s 'Installed package audit result' \\"
+    puts "            root >/dev/null 2>&1"
+    puts
+    puts "will update the vulnerability list every day at 3AM, followed by an audit at"
+    puts "3:09AM. The result of the audit are then emailed to root. On NetBSD this may be"
+    puts "accomplished instead by adding the following line to #{CREW_PREFIX}/pkg/etc/daily.conf:"
+    puts
+    puts "fetch_pkg_vulnerabilities=YES"
+    puts
+    puts "to fetch the vulnerability list from the daily security script. The system is"
+    puts "set to audit the packages by default but can be set explicitly, if desired (not"
+    puts "required), by adding the following line to #{CREW_PREFIX}/pkg/etc/security.conf:"
+    puts
+    puts "check_pkg_vulnerabilities=YES"
+    puts
+    puts "Both pkg_admin subcommands can be run as as an unprivileged user,"
+    puts "as long as the user chosen has permission to read the pkgdb and to write"
+    puts "the pkg-vulnerabilities to #{CREW_PREFIX}/pkg/pkgdb."
+    puts
+    puts "The behavior of pkg_admin and pkg_add can be customised with"
+    puts "pkg_install.conf.  Please see pkg_install.conf(5) for details."
+    puts
+    puts "If you want to use GPG signature verification you will need to install"
+    puts "GnuPG and set the path for GPG appropriately in your pkg_install.conf."
+    puts "==========================================================================="
+    puts "===> running: #{CREW_PREFIX}/bin/install-sh -d -o chronos -g lp #{CREW_PREFIX}/pkg/etc"
+    puts
+    puts "==========================================================================="
+    puts
+    puts "An example mk.conf file with the settings you provided to 'bootstrap'"
+    puts "has been created for you. It can be found in:"
+    puts
+    puts "      #{CREW_PREFIX}/pkg/etc/mk.conf"
+    puts
+    puts "You can find extensive documentation of the NetBSD Packages Collection"
+    puts "in #{CREW_PREFIX}/doc/pkgsrc.txt."
+    puts
+    puts "Thank you for using pkgsrc!".lightgreen
+    puts
+    puts "To finish the installation, execute the following:".lightblue
+    puts "echo 'export PATH=\"#{CREW_PREFIX}/pkg/bin:#{CREW_PREFIX}/pkg/gnu/bin:#{CREW_PREFIX}/pkg/sbin:\$PATH\"' >> ~/.bashrc".lightblue
+    puts "echo 'export MANPATH=\"#{CREW_PREFIX}/pkg/man:\$MANPATH\"' >> ~/.bashrc".lightblue
+    puts "source ~/.bashrc".lightblue
+    puts
+    puts "To install packages, execute the following:".lightblue
+    puts "cd #{CREW_PREFIX}/pkgsrc/<category>/<package>".lightblue
+    puts "bmake package-install".lightblue
+    puts "Example:".lightblue
+    puts "cd #{CREW_PREFIX}/pkgsrc/net/libfetch && bmake package-install".lightblue
+    puts
+    puts "To search packages, execute 'pkglocate <string>'.".lightblue
+    puts
+    puts "To completely remove pkgsrc and all packages, execute the following:".lightblue
+    puts "crew remove pkgsrc".lightblue
+    puts "rm -rf #{CREW_PREFIX}/pkg #{CREW_PREFIX}/pkgsrc".lightblue
+    puts
+  end
+end