require 'rake/clean'

# important info
target = "simtrace"
version = IO.read("version").chomp
date = Time.now.strftime("%Y-%m-%d")
revision = `git log --pretty=oneline "#{target}.sch" | wc -l`.chomp.to_i

# common files
sch = "#{target}.sch"
vsch = "#{target}_v#{version}.#{revision.to_s.rjust(3,'0')}.sch"

task :default => [:version,:print,:pdf]

task :version => vsch
CLEAN.include(vsch)
CLOBBER.include("#{target}_*.sch")

task :print => "#{target}.ps"
CLEAN.include("#{target}.ps")

task :pdf => "#{target}.pdf"
CLEAN.include("#{target}.pdf")

file vsch => sch do
  sh "cp #{sch} #{vsch}"
  # on \ is to prevent ruby interpreting it, th other is for sed
  # the version
  sh "sed -i 's/\\(version=\\)\\$Version\\$/\\1#{version}/' #{vsch}"
  # the date
  sh "sed -i 's/\\(date=\\)\\$Date\\$/\\1#{date}/' #{vsch}"
  # the revision
  sh "sed -i 's/\\(revision=\\)\\$Revision\\$/\\1#{revision}/' #{vsch}"
end

file "#{target}.ps" => vsch do
  sh "gschem -p -o #{target}.ps -s /usr/share/gEDA/scheme/print.scm #{vsch} > /dev/null 2>&1"
end

file "#{target}.pdf" => "#{target}.ps" do
  sh "ps2pdf -sPAPERSIZE=a4 #{target}.ps"
end