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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
|
# Rails Plugin Manager.
#
# Installing plugins:
#
# $ rails plugin install continuous_builder asset_timestamping
#
# Specifying revisions:
#
# * Subversion revision is a single integer.
#
# * Git revision format:
# - full - 'refs/tags/1.8.0' or 'refs/heads/experimental'
# - short: 'experimental' (equivalent to 'refs/heads/experimental')
# 'tag 1.8.0' (equivalent to 'refs/tags/1.8.0')
#
#
# This is Free Software, copyright 2005 by Ryan Tomayko (rtomayko@gmail.com)
# and is licensed MIT: (http://www.opensource.org/licenses/mit-license.php)
$verbose = false
require 'open-uri'
require 'fileutils'
require 'tempfile'
include FileUtils
class RailsEnvironment
attr_reader :root
def initialize(dir)
@root = dir
end
def self.find(dir=nil)
dir ||= pwd
while dir.length > 1
return new(dir) if File.exist?(File.join(dir, 'config', 'environment.rb'))
dir = File.dirname(dir)
end
end
def self.default
@default ||= find
end
def self.default=(rails_env)
@default = rails_env
end
def install(name_uri_or_plugin)
if name_uri_or_plugin.is_a? String
if name_uri_or_plugin =~ /:\/\//
plugin = Plugin.new(name_uri_or_plugin)
else
plugin = Plugins[name_uri_or_plugin]
end
else
plugin = name_uri_or_plugin
end
if plugin
plugin.install
else
puts "Plugin not found: #{name_uri_or_plugin}"
end
end
def use_svn?
require 'active_support/core_ext/kernel'
silence_stderr {`svn --version` rescue nil}
!$?.nil? && $?.success?
end
def use_externals?
use_svn? && File.directory?("#{root}/vendor/plugins/.svn")
end
def use_checkout?
# this is a bit of a guess. we assume that if the rails environment
# is under subversion then they probably want the plugin checked out
# instead of exported. This can be overridden on the command line
File.directory?("#{root}/.svn")
end
def best_install_method
return :http unless use_svn?
case
when use_externals? then :externals
when use_checkout? then :checkout
else :export
end
end
def externals
return [] unless use_externals?
ext = `svn propget svn:externals "#{root}/vendor/plugins"`
lines = ext.respond_to?(:lines) ? ext.lines : ext
lines.reject{ |line| line.strip == '' }.map do |line|
line.strip.split(/\s+/, 2)
end
end
def externals=(items)
unless items.is_a? String
items = items.map{|name,uri| "#{name.ljust(29)} #{uri.chomp('/')}"}.join("\n")
end
Tempfile.open("svn-set-prop") do |file|
file.write(items)
file.flush
system("svn propset -q svn:externals -F \"#{file.path}\" \"#{root}/vendor/plugins\"")
end
end
end
class Plugin
attr_reader :name, :uri
def initialize(uri, name = nil)
@uri = uri
guess_name(uri)
end
def self.find(name)
new(name)
end
def to_s
"#{@name.ljust(30)}#{@uri}"
end
def svn_url?
@uri =~ /svn(?:\+ssh)?:\/\/*/
end
def git_url?
@uri =~ /^git:\/\// || @uri =~ /\.git$/
end
def installed?
File.directory?("#{rails_env.root}/vendor/plugins/#{name}") \
or rails_env.externals.detect{ |name, repo| self.uri == repo }
end
def install(method=nil, options = {})
method ||= rails_env.best_install_method?
if :http == method
method = :export if svn_url?
method = :git if git_url?
end
uninstall if installed? and options[:force]
unless installed?
send("install_using_#{method}", options)
run_install_hook
else
puts "already installed: #{name} (#{uri}). pass --force to reinstall"
end
end
def uninstall
path = "#{rails_env.root}/vendor/plugins/#{name}"
if File.directory?(path)
puts "Removing 'vendor/plugins/#{name}'" if $verbose
run_uninstall_hook
rm_r path
else
puts "Plugin doesn't exist: #{path}"
end
if rails_env.use_externals?
# clean up svn:externals
externals = rails_env.externals
externals.reject!{|n, u| name == n or name == u}
rails_env.externals = externals
end
end
def info
tmp = "#{rails_env.root}/_tmp_about.yml"
if svn_url?
cmd = "svn export #{@uri} \"#{rails_env.root}/#{tmp}\""
puts cmd if $verbose
system(cmd)
end
open(svn_url? ? tmp : File.join(@uri, 'about.yml')) do |stream|
stream.read
end rescue "No about.yml found in #{uri}"
ensure
FileUtils.rm_rf tmp if svn_url?
end
private
def run_install_hook
install_hook_file = "#{rails_env.root}/vendor/plugins/#{name}/install.rb"
load install_hook_file if File.exist? install_hook_file
end
def run_uninstall_hook
uninstall_hook_file = "#{rails_env.root}/vendor/plugins/#{name}/uninstall.rb"
load uninstall_hook_file if File.exist? uninstall_hook_file
end
def install_using_export(options = {})
svn_command :export, options
end
def install_using_checkout(options = {})
svn_command :checkout, options
end
def install_using_externals(options = {})
externals = rails_env.externals
externals.push([@name, uri])
rails_env.externals = externals
install_using_checkout(options)
end
def install_using_http(options = {})
root = rails_env.root
mkdir_p "#{root}/vendor/plugins/#{@name}"
Dir.chdir "#{root}/vendor/plugins/#{@name}" do
puts "fetching from '#{uri}'" if $verbose
fetcher = RecursiveHTTPFetcher.new(uri, -1)
fetcher.quiet = true if options[:quiet]
fetcher.fetch
end
end
def install_using_git(options = {})
root = rails_env.root
mkdir_p(install_path = "#{root}/vendor/plugins/#{name}")
Dir.chdir install_path do
init_cmd = "git init"
init_cmd += " -q" if options[:quiet] and not $verbose
puts init_cmd if $verbose
system(init_cmd)
base_cmd = "git pull --depth 1 #{uri}"
base_cmd += " -q" if options[:quiet] and not $verbose
base_cmd += " #{options[:revision]}" if options[:revision]
puts base_cmd if $verbose
if system(base_cmd)
puts "removing: .git .gitignore" if $verbose
rm_rf %w(.git .gitignore)
else
rm_rf install_path
end
end
end
def svn_command(cmd, options = {})
root = rails_env.root
mkdir_p "#{root}/vendor/plugins"
base_cmd = "svn #{cmd} #{uri} \"#{root}/vendor/plugins/#{name}\""
base_cmd += ' -q' if options[:quiet] and not $verbose
base_cmd += " -r #{options[:revision]}" if options[:revision]
puts base_cmd if $verbose
system(base_cmd)
end
def guess_name(url)
@name = File.basename(url)
if @name == 'trunk' || @name.empty?
@name = File.basename(File.dirname(url))
end
@name.gsub!(/\.git$/, '') if @name =~ /\.git$/
end
def rails_env
@rails_env || RailsEnvironment.default
end
end
# load default environment and parse arguments
require 'optparse'
module RailsCommands
class Plugin
attr_reader :environment, :script_name
def initialize
@environment = RailsEnvironment.default
@rails_root = RailsEnvironment.default.root
@script_name = File.basename($0)
end
def environment=(value)
@environment = value
RailsEnvironment.default = value
end
def options
OptionParser.new do |o|
o.set_summary_indent(' ')
o.banner = "Usage: plugin [OPTIONS] command"
o.define_head "Rails plugin manager."
o.separator ""
o.separator "GENERAL OPTIONS"
o.on("-r", "--root=DIR", String,
"Set an explicit rails app directory.",
"Default: #{@rails_root}") { |rails_root| @rails_root = rails_root; self.environment = RailsEnvironment.new(@rails_root) }
o.on("-v", "--verbose", "Turn on verbose output.") { |verbose| $verbose = verbose }
o.on("-h", "--help", "Show this help message.") { puts o; exit }
o.separator ""
o.separator "COMMANDS"
o.separator " install Install plugin(s) from known repositories or URLs."
o.separator " remove Uninstall plugins."
o.separator ""
o.separator "EXAMPLES"
o.separator " Install a plugin from a subversion URL:"
o.separator " #{@script_name} plugin install http://example.com/my_svn_plugin\n"
o.separator " Install a plugin from a git URL:"
o.separator " #{@script_name} plugin install git://github.com/SomeGuy/my_awesome_plugin.git\n"
o.separator " Install a plugin and add a svn:externals entry to vendor/plugins"
o.separator " #{@script_name} plugin install -x my_svn_plugin\n"
end
end
def parse!(args=ARGV)
general, sub = split_args(args)
options.parse!(general)
command = general.shift
if command =~ /^(install|remove)$/
command = RailsCommands.const_get(command.capitalize).new(self)
command.parse!(sub)
else
puts "Unknown command: #{command}" unless command.blank?
puts options
exit 1
end
end
def split_args(args)
left = []
left << args.shift while args[0] and args[0] =~ /^-/
left << args.shift if args[0]
[left, args]
end
def self.parse!(args=ARGV)
Plugin.new.parse!(args)
end
end
class Install
def initialize(base_command)
@base_command = base_command
@method = :http
@options = { :quiet => false, :revision => nil, :force => false }
end
def options
OptionParser.new do |o|
o.set_summary_indent(' ')
o.banner = "Usage: #{@base_command.script_name} install PLUGIN [PLUGIN [PLUGIN] ...]"
o.define_head "Install one or more plugins."
o.separator ""
o.separator "Options:"
o.on( "-x", "--externals",
"Use svn:externals to grab the plugin.",
"Enables plugin updates and plugin versioning.") { |v| @method = :externals }
o.on( "-o", "--checkout",
"Use svn checkout to grab the plugin.",
"Enables updating but does not add a svn:externals entry.") { |v| @method = :checkout }
o.on( "-e", "--export",
"Use svn export to grab the plugin.",
"Exports the plugin, allowing you to check it into your local repository. Does not enable updates or add an svn:externals entry.") { |v| @method = :export }
o.on( "-q", "--quiet",
"Suppresses the output from installation.",
"Ignored if -v is passed (rails plugin -v install ...)") { |v| @options[:quiet] = true }
o.on( "-r REVISION", "--revision REVISION",
"Checks out the given revision from subversion or git.",
"Ignored if subversion/git is not used.") { |v| @options[:revision] = v }
o.on( "-f", "--force",
"Reinstalls a plugin if it's already installed.") { |v| @options[:force] = true }
o.separator ""
o.separator "You can specify plugin names as given in 'plugin list' output or absolute URLs to "
o.separator "a plugin repository."
end
end
def determine_install_method
best = @base_command.environment.best_install_method
@method = :http if best == :http and @method == :export
case
when (best == :http and @method != :http)
msg = "Cannot install using subversion because `svn' cannot be found in your PATH"
when (best == :export and (@method != :export and @method != :http))
msg = "Cannot install using #{@method} because this project is not under subversion."
when (best != :externals and @method == :externals)
msg = "Cannot install using externals because vendor/plugins is not under subversion."
end
if msg
puts msg
exit 1
end
@method
end
def parse!(args)
options.parse!(args)
if args.blank?
puts options
exit 1
end
environment = @base_command.environment
install_method = determine_install_method
puts "Plugins will be installed using #{install_method}" if $verbose
args.each do |name|
::Plugin.find(name).install(install_method, @options)
end
rescue StandardError => e
puts "Plugin not found: #{args.inspect}"
puts e.inspect if $verbose
exit 1
end
end
class Remove
def initialize(base_command)
@base_command = base_command
end
def options
OptionParser.new do |o|
o.set_summary_indent(' ')
o.banner = "Usage: #{@base_command.script_name} remove name [name]..."
o.define_head "Remove plugins."
end
end
def parse!(args)
options.parse!(args)
if args.blank?
puts options
exit 1
end
root = @base_command.environment.root
args.each do |name|
::Plugin.new(name).uninstall
end
end
end
class Info
def initialize(base_command)
@base_command = base_command
end
def options
OptionParser.new do |o|
o.set_summary_indent(' ')
o.banner = "Usage: #{@base_command.script_name} info name [name]..."
o.define_head "Shows plugin info at {url}/about.yml."
end
end
def parse!(args)
options.parse!(args)
args.each do |name|
puts ::Plugin.find(name).info
puts
end
end
end
end
class RecursiveHTTPFetcher
attr_accessor :quiet
def initialize(urls_to_fetch, level = 1, cwd = ".")
@level = level
@cwd = cwd
@urls_to_fetch = RUBY_VERSION >= '1.9' ? urls_to_fetch.lines : urls_to_fetch.to_a
@quiet = false
end
def ls
@urls_to_fetch.collect do |url|
if url =~ /^svn(\+ssh)?:\/\/.*/
`svn ls #{url}`.split("\n").map {|entry| "/#{entry}"} rescue nil
else
open(url) do |stream|
links("", stream.read)
end rescue nil
end
end.flatten
end
def push_d(dir)
@cwd = File.join(@cwd, dir)
FileUtils.mkdir_p(@cwd)
end
def pop_d
@cwd = File.dirname(@cwd)
end
def links(base_url, contents)
links = []
contents.scan(/href\s*=\s*\"*[^\">]*/i) do |link|
link = link.sub(/href="/i, "")
next if link =~ /svnindex.xsl$/
next if link =~ /^(\w*:|)\/\// || link =~ /^\./
links << File.join(base_url, link)
end
links
end
def download(link)
puts "+ #{File.join(@cwd, File.basename(link))}" unless @quiet
open(link) do |stream|
File.open(File.join(@cwd, File.basename(link)), "wb") do |file|
file.write(stream.read)
end
end
end
def fetch(links = @urls_to_fetch)
links.each do |l|
(l =~ /\/$/ || links == @urls_to_fetch) ? fetch_dir(l) : download(l)
end
end
def fetch_dir(url)
@level += 1
push_d(File.basename(url)) if @level > 0
open(url) do |stream|
contents = stream.read
fetch(links(url, contents))
end
pop_d if @level > 0
@level -= 1
end
end
RailsCommands::Plugin.parse!
|