/
bootsnap.rb
136 lines (112 loc) · 4.14 KB
/
bootsnap.rb
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
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
# frozen_string_literal: true
require_relative('bootsnap/version')
require_relative('bootsnap/bundler')
require_relative('bootsnap/load_path_cache')
require_relative('bootsnap/compile_cache')
module Bootsnap
InvalidConfiguration = Class.new(StandardError)
class << self
attr_reader :logger
end
def self.log!
self.logger = $stderr.method(:puts)
end
def self.logger=(logger)
@logger = logger
if logger.respond_to?(:debug)
self.instrumentation = ->(event, path) { @logger.debug("[Bootsnap] #{event} #{path}") }
else
self.instrumentation = ->(event, path) { @logger.call("[Bootsnap] #{event} #{path}") }
end
end
def self.instrumentation=(callback)
@instrumentation = callback
if respond_to?(:instrumentation_enabled=, true)
self.instrumentation_enabled = !!callback
end
end
def self._instrument(event, path)
@instrumentation.call(event, path)
end
def self.setup(
cache_dir:,
development_mode: true,
load_path_cache: true,
autoload_paths_cache: nil,
disable_trace: nil,
compile_cache_iseq: true,
compile_cache_yaml: true,
compile_cache_json: true
)
unless autoload_paths_cache.nil?
warn "[DEPRECATED] Bootsnap's `autoload_paths_cache:` option is deprecated and will be removed. " \
"If you use Zeitwerk this option is useless, and if you are still using the classic autoloader " \
"upgrading is recommended."
end
unless disable_trace.nil?
warn "[DEPRECATED] Bootsnap's `disable_trace:` option is deprecated and will be removed. " \
"If you use Ruby 2.5 or newer this option is useless, if not upgrading is recommended."
end
if compile_cache_iseq && !iseq_cache_supported?
warn "Ruby 2.5 has a bug that break code tracing when code is loaded from cache. It is recommened " \
"to turn `compile_cache_iseq` off on Ruby 2.5"
end
Bootsnap::LoadPathCache.setup(
cache_path: cache_dir + '/bootsnap/load-path-cache',
development_mode: development_mode,
) if load_path_cache
Bootsnap::CompileCache.setup(
cache_dir: cache_dir + '/bootsnap/compile-cache',
iseq: compile_cache_iseq,
yaml: compile_cache_yaml,
json: compile_cache_json,
)
end
def self.iseq_cache_supported?
return @iseq_cache_supported if defined? @iseq_cache_supported
ruby_version = Gem::Version.new(RUBY_VERSION)
@iseq_cache_supported = ruby_version < Gem::Version.new('2.5.0') || ruby_version >= Gem::Version.new('2.6.0')
end
def self.default_setup
env = ENV['RAILS_ENV'] || ENV['RACK_ENV'] || ENV['ENV']
development_mode = ['', nil, 'development'].include?(env)
unless ENV['DISABLE_BOOTSNAP']
cache_dir = ENV['BOOTSNAP_CACHE_DIR']
unless cache_dir
config_dir_frame = caller.detect do |line|
line.include?('/config/')
end
unless config_dir_frame
$stderr.puts("[bootsnap/setup] couldn't infer cache directory! Either:")
$stderr.puts("[bootsnap/setup] 1. require bootsnap/setup from your application's config directory; or")
$stderr.puts("[bootsnap/setup] 2. Define the environment variable BOOTSNAP_CACHE_DIR")
raise("couldn't infer bootsnap cache directory")
end
path = config_dir_frame.split(/:\d+:/).first
path = File.dirname(path) until File.basename(path) == 'config'
app_root = File.dirname(path)
cache_dir = File.join(app_root, 'tmp', 'cache')
end
setup(
cache_dir: cache_dir,
development_mode: development_mode,
load_path_cache: !ENV['DISABLE_BOOTSNAP_LOAD_PATH_CACHE'],
compile_cache_iseq: !ENV['DISABLE_BOOTSNAP_COMPILE_CACHE'] && iseq_cache_supported?,
compile_cache_yaml: !ENV['DISABLE_BOOTSNAP_COMPILE_CACHE'],
compile_cache_json: !ENV['DISABLE_BOOTSNAP_COMPILE_CACHE'],
)
if ENV['BOOTSNAP_LOG']
log!
end
end
end
if RbConfig::CONFIG['host_os'] =~ /mswin|mingw|cygwin/
def self.absolute_path?(path)
path[1] == ':'
end
else
def self.absolute_path?(path)
path.start_with?('/')
end
end
end