summaryrefslogtreecommitdiff
path: root/scripts/switch-to-prawn-head.rb
blob: 438e1021ba5e7b309339a585f62987bb75a7e131 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
require 'fileutils'

# NOTE it's necessary to hot patch the installed gem so that RubyGems can find it without Bundler
prawn_spec = Gem::Specification.find_by_name 'prawn'
FileUtils.rm_r prawn_spec.gem_dir, secure: true if Dir.exist? prawn_spec.gem_dir
Process.wait Process.spawn %(git clone --depth=1 https://github.com/prawnpdf/prawn #{File.basename prawn_spec.gem_dir}), chdir: prawn_spec.gems_dir

prawn_spec_replacement = nil

# Option A: patch dependency versions
#new_prawn_spec_contents = File.read (File.join prawn_spec.gem_dir, 'prawn.gemspec'), mode: 'r:UTF-8'
#ttfunk_version_spec = (%r/'ttfunk', *'(.+?)'/.match new_prawn_spec_contents)[1]
#pdf_core_version_spec = (%r/'pdf-core', *'(.+?)'/.match new_prawn_spec_contents)[1]
#prawn_spec_replacement = prawn_spec
#  .to_ruby
#  .gsub(%r/(ttfunk.+?)"[^"]+"/, %(\\1"#{ttfunk_version_spec}"))
#  .gsub(%r/(pdf-core.+?)"[^"]+"/, %(\\1"#{pdf_core_version_spec}"))

# Option B: regenerate spec file
Dir.chdir prawn_spec.gem_dir do
  new_prawn_spec_contents = File.readlines 'prawn.gemspec', mode: 'r:UTF-8'
  new_prawn_spec = eval new_prawn_spec_contents.join, nil, (File.join prawn_spec.gem_dir, 'prawn.gemspec')
  new_prawn_spec.version = prawn_spec.version
  prawn_spec_replacement = new_prawn_spec.to_ruby
end

File.write prawn_spec.spec_file, prawn_spec_replacement