blob: 185777013d4e2e621060b798c6b6ccfb8334ba4f (
plain)
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
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
require "requirement"
class LanguageModuleRequirement < Requirement
fatal true
def initialize(language, module_name, import_name = nil)
@language = language
@module_name = module_name
@import_name = import_name || module_name
super([language, module_name, import_name])
end
satisfy(:build_env => false) { quiet_system(*the_test) }
def message
s = <<-EOS.undent
Unsatisfied dependency: #{@module_name}
Homebrew does not provide special #{@language.to_s.capitalize} dependencies; install with:
`#{command_line} #{@module_name}`
EOS
unless [:python, :perl, :ruby].include? @language
s += <<-EOS.undent
You may need to: `brew install #{@language}`
EOS
end
s
end
def the_test
case @language
when :lua then %W[/usr/bin/env luarocks-5.2 show #{@import_name}]
when :lua51 then %W[/usr/bin/env luarocks-5.1 show #{@import_name}]
when :perl then %W[/usr/bin/env perl -e use\ #{@import_name}]
when :python then %W[/usr/bin/env python -c import\ #{@import_name}]
when :python3 then %W[/usr/bin/env python3 -c import\ #{@import_name}]
when :ruby then %W[/usr/bin/env ruby -rubygems -e require\ '#{@import_name}']
end
end
def command_line
case @language
when :lua then "luarocks-5.2 install"
when :lua51 then "luarocks-5.1 install"
when :perl then "cpan -i"
when :python then "pip install"
when :python3 then "pip3 install"
when :ruby then "gem install"
end
end
end
|
