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lib.rb
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lib.rb
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# Miscellaneous utilities
#
require 'uri'
require 'find'
require 'tmpdir'
require 'fileutils'
$stdout_old = $stdout
$stderr_old = $stderr
log_filename = "rake.log"
File.unlink(log_filename) if File.exists?(log_filename)
unless ARGV[0] == 'environment:shell' || ENV['raw']
["$stdout", "$stderr"].each do |std|
rd, wr = IO.pipe
if fork
rd.close
wr.sync = true
eval "#{std}.reopen(wr)"
eval "#{std}.sync = true"
#Process.wait
else
# Child
wr.close
begin
# Input must be forked.
label = std[1..-1].upcase
File.open(log_filename, 'a') do |f|
f.sync = true
while(line = rd.gets)
eval "#{std}_old.puts(line)"
f.puts([label, line].join(' '))
end
end
ensure
rd.close
exit
end
end
end
end
#
# Backward-compatibility stuff
#
unless Kernel.respond_to?(:require_relative)
module Kernel
def require_relative(path)
require File.join(File.dirname(caller[0]), path.to_str)
end
end
end
# This is the Ruby v1.9.1 Dir.mktmpdir.
if ! Dir.respond_to? :mktmpdir
def Dir.mktmpdir(prefix_suffix=nil, tmpdir=nil)
case prefix_suffix
when nil
prefix = "d"
suffix = ""
when String
prefix = prefix_suffix
suffix = ""
when Array
prefix = prefix_suffix[0]
suffix = prefix_suffix[1]
else
raise ArgumentError, "unexpected prefix_suffix: #{prefix_suffix.inspect}"
end
tmpdir ||= Dir.tmpdir
t = Time.now.strftime("%Y%m%d")
n = nil
begin
path = "#{tmpdir}/#{prefix}#{t}-#{$$}-#{rand(0x100000000).to_s(36)}"
path << "-#{n}" if n
path << suffix
Dir.mkdir(path, 0700)
rescue Errno::EEXIST
n ||= 0
n += 1
retry
end
if block_given?
begin
yield path
ensure
FileUtils.remove_entry_secure path
end
else
path
end
end
end
#
# Sub-libraries
#
require_relative 'lib/distros'
require_relative 'lib/package_dep'
#
# Main code
#
# Return the directories needed in $PATH for this distro (:known_distro task must run already)
def path_dirs_for_distro(opts={})
dirs = [ "#{BUILD}/bin" ]
dirs << "#{COUCH_BUILD}/bin" if opts[:couch_too] && COUCH_BUILD != BUILD
dirs = %w[ /opt/csw/gcc4/bin /opt/csw/bin /usr/ccs/bin ] + dirs if DISTRO[0] == :solaris
return dirs
end
# Place a script in the install location to set the PATH, LD_LIBRARY_PATH, and whatever else.
# Requires the :known_distro task
def install_env_script(opts={})
target = opts[:to] || raise("Need :to parameter")
script = 'env.sh'
dirs = { 'PATH' => { 'insert' => path_dirs_for_distro(:couch_too => true),
'append' => [] },
}
# XXX: Code duplication from :configure.
dirs['DYLD_LIBRARY_PATH'] = {'insert' => ["#{target}/lib"]} if DISTRO[0] == :osx
template = ERB.new(File.open("#{HERE}/templates/#{script}.erb").read())
FileUtils.mkdir_p(target)
File.open("#{target}/#{script}", 'w') do |outfile|
outfile.write(template.result(binding))
outfile.close
end
end
# Run GNU Make
def gmake(cmd="")
gmake = DISTRO[0] == :solaris ? 'gmake' : 'make'
sh "#{gmake} #{cmd}"
end
# Mark a program as authorized to listen on a low port in Linux.
def set_port_cap file
return unless [:ubuntu, :debian].include? DISTRO[0]
sh "sudo setcap cap_net_bind_service=+ep #{File.expand_path file}"
end
# TODO: Get rid of this. Packages should be installed as a dependency of other software, declared by package_dep().
def install_packages packages
case DISTRO[0]
when :opensuse
installed = %x[rpm -qa].split("\n")
packages.select{|pkg| ! installed.detect{|d| d =~ /^#{Regexp.escape(pkg)}/ } }.each do |package|
# puts "Installing #{package} ..."
%x[sudo zypper install '#{package}']
end
when :solaris
installed = `pkg-get -l`.split("\n")
packages.select{|pkg| ! installed.include? pkg }.each do |package|
sh "sudo pkg-get install #{package}"
end
else
installed = `dpkg --list`.split("\n").map { |x| x.split[1] } # Hm, this is out of scope if defined outside.
packages.select{ |pkg| ! installed.include? pkg }.each do |package|
sh "sudo apt-get -y install #{package}"
end
end
end
def canonical_path path
path.gsub(/[\.\d]*$/, '')
end
def ln_canonical path
puts "#{path} => #{canonical_path path}"
FileUtils.ln_sf path, canonical_path(path)
end
def show_file filename
begin
yield
ensure
puts "== Output of #{filename} =="
sh "cat #{filename}"
puts "== End of #{filename} =="
end
end
def with_autoconf ver
files = %w[ autoconf autoheader autom4te ].map { |x| "#{BUILD}/bin/#{x}#{ver}" }
begin
files.each { |x| ln_canonical x }
yield
ensure
files.each do |x|
puts "rm_f #{canonical_path x}"
FileUtils.rm_f(canonical_path(x))
end
end
end
def copy_parts opts
Dir.chdir opts[:source] do
dirs = opts[:dirs].select{|dir| File.exist?(dir) }
unless dirs.empty?
sh "tar cf - #{dirs.join(' ')} | tar xvf - --directory #{opts[:target]}"
end
end
end
def in_build_dir label
label = File.basename Dir.getwd if label.nil?
Dir.mktmpdir "#{label}_build" do |dir|
Dir.chdir dir do
yield
end
end
end
def compress_beams source
if ENV['compress_beams'] != 'false'
Find.find(source) do |path|
if File.file?(path) && path.match(/\.beam$/) && ENV['skip_compress_beam'].nil?
sh "gzip -9 '#{path}'"
sh "mv '#{path}'.gz '#{path}'"
end
end
end
end
def record_manifest task_name
return if ENV['manifest'].nil? || ENV['manifest'] == ""
task_name = File.basename(task_name) if task_name =~ /\//
sh "mkdir -p #{MANIFESTS}"
seen = {}
Dir.glob("#{MANIFESTS}/*").each do |manifest|
File.new(manifest).each do |line|
path = line.chomp
raise "Woa! #{path} is in #{task_name} but was already seen in #{seen[path]}" if seen[path]
seen[path] = File.basename(manifest)
end
end
unseen = []
Find.find(BUILD) do |path|
if File.directory? path
Find.prune if path == MANIFESTS
else
if seen[path]
#puts "#{path} seen: #{seen[path]}"
else
unseen.push path
end
end
end
manifest = File.new("#{MANIFESTS}/#{task_name}", 'w')
manifest.write(unseen.join("\n"))
manifest.write("\n")
manifest.close
end
def run_task name
task = Rake::Task[name]
task.reenable if task.methods.include?("reenable")
task.invoke
end
def configure_cmd(source, opts={})
libs = ["#{BUILD}/lib"]
if DISTRO[0] == :solaris
libs += %w[ /opt/csw/lib /opt/csw/gcc4/lib /opt/csw/lib/i386 ]
end
ldflags = libs.map do |lib|
if DISTRO[0] == :osx && /^11\.\d+\./.match(DISTRO[1]) # 11.*
"-L#{lib}" # llvm in OS X Lion
else
"-Xlinker -rpath=#{lib} -L#{lib}" # GCC
end
end
ldflags = ldflags.join(' ')
ldflags += ' -llber' if DISTRO[0] == :solaris
env = "LDFLAGS='#{ldflags}' CPPFLAGS='-I#{BUILD}/include -I#{BUILD}/include/js'"
# Determine whether to use a --prefix parameter. Default is to use it.
prefix = ""
prefix = "--prefix='#{COUCH_BUILD}'" if opts[:prefix] == :couch
prefix = "--prefix='#{BUILD}'" if opts[:prefix] == :deps
js = "--with-js-include='#{BUILD}/include/js' --with-js-lib='#{BUILD}/lib' --enable-js-trunk"
return "env #{env} #{source}/configure #{prefix} #{js} --with-erlang=#{BUILD}/lib/erlang/usr/include"
end
def git_checkout_name(url)
URI.escape(url, /[\/:]/)
end
def git_checkout(url_and_commit, opts={})
remote, commit = url_and_commit.split
checkout = "#{HERE}/git-build/#{git_checkout_name(remote + ':' + commit)}"
return checkout if opts[:noop]
fetch = false
if File.directory?(checkout) || File.symlink?(checkout)
puts "Using #{checkout} for build from Git"
fetch = true
elsif File.exists? checkout
raise "Don't know what to do with #{checkout}"
else
sh "git clone '#{remote}' '#{checkout}'"
end
Dir.chdir checkout do
sh "git fetch origin" if fetch
sh "git checkout #{commit}"
sh "git reset --hard"
sh "git clean -f -d"
# Forego a nice rm command to get OS-independence.
#rm = (DISTRO[0] == :solaris) ? 'rm' : 'rm -v'
rm = 'rm'
sh "git ls-files --others -i --exclude-standard | xargs #{rm} || true"
end
return checkout
end
def otp_app_useful?(app)
return false if app == 'hipe'
otp_keep = ENV['otp_keep'] || ''
return true if otp_keep == '*'
return otp_keep.split.include?(app)
end
def skip_otp_app(app)
skip = File.new("#{DEPS}/otp/lib/#{app}/SKIP", "w")
skip.write("Not needed by CouchDB\n")
skip.close
end
module Rake
module TaskManager
def in_explicit_namespace(name)
oldscope = @scope;
@scope = Array.new();
# build scope name list from name here
ns = NameSpace.new(self, @scope);
yield(ns)
ns
ensure
@scope = oldscope;
end
end
end
#
# Build Places
#
DEPS = "#{HERE}/dependencies"
BUILD = ENV['prefix'] || ENV['install'] || "#{HERE}/build"
JS_LIB = "#{BUILD}/bin/js-config"
ERL_BIN = "#{BUILD}/bin/erl"
ICU_BIN = "#{BUILD}/bin/icu-config"
CURL_BIN = "#{BUILD}/bin/curl"
COUCH_SOURCE = ENV['git'] ? git_checkout(ENV['git'], :noop => true) : "#{DEPS}/couchdb"
COUCH_BUILD = ENV['couchdb_build'] || BUILD
COUCH_BIN = "#{COUCH_BUILD}/bin/couchdb"
MANIFESTS = "#{BUILD}/manifests"
PIDS = "#{BUILD}/var/run/couchdb"
AUTOMAKE = "#{BUILD}/bin/automake"
AUTOMAKE_SOURCE = "#{DEPS}/automake-1.11.2"
AUTOCONF_213 = "#{BUILD}/bin/autoconf2.13"
AUTOCONF_259 = "#{BUILD}/bin/autoconf2.59"
AUTOCONF_262 = "#{BUILD}/bin/autoconf2.62"