Rakefile

# frozen_string_literal: true

require "rake/testtask"

require "./lib/deblank"

PROGNAME = Deblank::PROGNAME
HOMEPAGE = Deblank::HOMEPAGE
TAGLINE  = Deblank::TAGLINE

BINDIR = "/usr/local/bin"
MANDIR = "/usr/local/man/man1"

HELP2MAN = "help2man"
SED = "sed"

BINARY = "lib/deblank.rb"
BINARYNAME = "deblank"  # install using this name
MANPAGE = "man/deblank.1"
H2MFILE = "deblank.h2m"


def gemspec_file
  "deblank.gemspec"
end


task default: [:test]

Rake::TestTask.new do |t|
  t.pattern = "test/**/test_*.rb"
  t.verbose = true
  t.warning = true
end


desc "Install binary and man page"
task install: [BINARY, MANPAGE] do
  mkdir_p BINDIR
  install(BINARY, "#{BINDIR}/#{BINARYNAME}")
  mkdir_p MANDIR
  install(MANPAGE, MANDIR, mode: 0o644)
end


desc "Uninstall binary and man page"
task :uninstall do
  rm "#{BINDIR}/#{BINARYNAME}"
  manfile = File.basename(MANPAGE)
  rm "#{MANDIR}/#{manfile}"
end


desc "Create man page"
task man: [MANPAGE]

file MANPAGE => [BINARY, H2MFILE] do
  sh "#{HELP2MAN} --no-info --name='#{TAGLINE}' --include=#{H2MFILE} -o #{MANPAGE} ./#{BINARY}"
  sh "#{SED} -i 's/^License GPL/.br\\nLicense GPL/;s/There is NO WARRANTY/.br\\nThere is NO WARRANTY/' #{MANPAGE}"
  sh "#{SED} -i 's!%HOMEPAGE%!#{HOMEPAGE}!g' #{MANPAGE}"
  sh "#{SED} -i 's!%PROGNAME%!#{PROGNAME}!g' #{MANPAGE}"
end


desc "Build gem"
task build: [MANPAGE] do
  sh "gem build #{gemspec_file}"
end