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< pre >
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< span class = "ruby-comment cmt" > # File lib/bundler/resolver.rb, line 135< / span >
135: < span class = "ruby-keyword kw" > def< / span > < span class = "ruby-identifier" > initialize< / span > (< span class = "ruby-identifier" > index< / span > , < span class = "ruby-identifier" > source_requirements< / span > , < span class = "ruby-identifier" > base< / span > )
136: < span class = "ruby-ivar" > @errors< / span > = {}
137: < span class = "ruby-ivar" > @stack< / span > = []
138: < span class = "ruby-ivar" > @base< / span > = < span class = "ruby-identifier" > base< / span >
139: < span class = "ruby-ivar" > @index< / span > = < span class = "ruby-identifier" > index< / span >
140: < span class = "ruby-ivar" > @gems_size< / span > = {}
141: < span class = "ruby-ivar" > @missing_gems< / span > = < span class = "ruby-constant" > Hash< / span > .< span class = "ruby-identifier" > new< / span > (< span class = "ruby-value" > 0< / span > )
142: < span class = "ruby-ivar" > @source_requirements< / span > = < span class = "ruby-identifier" > source_requirements< / span >
143: < span class = "ruby-keyword kw" > end< / span > < / pre >
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< / div >
< / div >
< / div >
< div id = "resolve-method" class = "method-detail " >
< a name = "method-c-resolve" > < / a >
< div class = "method-heading" >
< span class = "method-name" > resolve< / span > < span
class="method-args">(requirements, index, source_requirements = {}, base = [])< / span >
< span class = "method-click-advice" > click to toggle source< / span >
< / div >
< div class = "method-description" >
< p >
Figures out the best possible configuration of gems that satisfies the list
of passed dependencies and any child dependencies without causing any gem
activation errors.
< / p >
< h4 > Parameters< / h4 >
< table >
< tr > < td valign = "top" > *dependencies< Gem::Dependency > < / td > < td > < p >
The list of dependencies to resolve
< / p >
< / td > < / tr >
< / table >
< h4 > Returns< / h4 >
< table >
< tr > < td valign = "top" > < GemBundle > ,nil< / td > < td > < p >
If the list of dependencies can be resolved, a
< / p >
< / td > < / tr >
< / table >
< pre >
collection of gemspecs is returned. Otherwise, nil is returned.< / pre >
< div class = "method-source-code"
id="resolve-source">
< pre >
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< span class = "ruby-comment cmt" > # File lib/bundler/resolver.rb, line 124< / span >
124: < span class = "ruby-keyword kw" > def< / span > < span class = "ruby-keyword kw" > self< / span > .< span class = "ruby-identifier" > resolve< / span > (< span class = "ruby-identifier" > requirements< / span > , < span class = "ruby-identifier" > index< / span > , < span class = "ruby-identifier" > source_requirements< / span > = {}, < span class = "ruby-identifier" > base< / span > = [])
125: < span class = "ruby-identifier" > base< / span > = < span class = "ruby-constant" > SpecSet< / span > .< span class = "ruby-identifier" > new< / span > (< span class = "ruby-identifier" > base< / span > ) < span class = "ruby-keyword kw" > unless< / span > < span class = "ruby-identifier" > base< / span > .< span class = "ruby-identifier" > is_a?< / span > (< span class = "ruby-constant" > SpecSet< / span > )
126: < span class = "ruby-identifier" > resolver< / span > = < span class = "ruby-identifier" > new< / span > (< span class = "ruby-identifier" > index< / span > , < span class = "ruby-identifier" > source_requirements< / span > , < span class = "ruby-identifier" > base< / span > )
127: < span class = "ruby-identifier" > result< / span > = < span class = "ruby-identifier" > catch< / span > (< span class = "ruby-value" > :success< / span > ) < span class = "ruby-keyword kw" > do< / span >
128: < span class = "ruby-identifier" > resolver< / span > .< span class = "ruby-identifier" > start< / span > (< span class = "ruby-identifier" > requirements< / span > )
129: < span class = "ruby-identifier" > raise< / span > < span class = "ruby-identifier" > resolver< / span > .< span class = "ruby-identifier" > version_conflict< / span >
130: < span class = "ruby-keyword kw" > nil< / span >
131: < span class = "ruby-keyword kw" > end< / span >
132: < span class = "ruby-constant" > SpecSet< / span > .< span class = "ruby-identifier" > new< / span > (< span class = "ruby-identifier" > result< / span > )
133: < span class = "ruby-keyword kw" > end< / span > < / pre >
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< / div >
< / div >
< / div >
< / div >
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< div id = "clean-req-method" class = "method-detail " >
< a name = "method-i-clean_req" > < / a >
< div class = "method-heading" >
< span class = "method-name" > clean_req< / span > < span
class="method-args">(req)< / span >
< span class = "method-click-advice" > click to toggle source< / span >
< / div >
< div class = "method-description" >
< div class = "method-source-code"
id="clean-req-source">
< pre >
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< span class = "ruby-comment cmt" > # File lib/bundler/resolver.rb, line 382< / span >
382: < span class = "ruby-keyword kw" > def< / span > < span class = "ruby-identifier" > clean_req< / span > (< span class = "ruby-identifier" > req< / span > )
383: < span class = "ruby-keyword kw" > if< / span > < span class = "ruby-identifier" > req< / span > .< span class = "ruby-identifier" > to_s< / span > .< span class = "ruby-identifier" > include?< / span > (< span class = "ruby-value str" > " > = 0" < / span > )
384: < span class = "ruby-identifier" > req< / span > .< span class = "ruby-identifier" > to_s< / span > .< span class = "ruby-identifier" > gsub< / span > (< span class = "ruby-regexp re" > / \(.*?\)$/< / span > , < span class = "ruby-value str" > ''< / span > )
385: < span class = "ruby-keyword kw" > else< / span >
386: < span class = "ruby-identifier" > req< / span > .< span class = "ruby-identifier" > to_s< / span > .< span class = "ruby-identifier" > gsub< / span > (< span class = "ruby-regexp re" > /\, (runtime|development)\)$/< / span > , < span class = "ruby-value str" > ')'< / span > )
387: < span class = "ruby-keyword kw" > end< / span >
388: < span class = "ruby-keyword kw" > end< / span > < / pre >
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< / div >
< / div >
< / div >
< div id = "debug-method" class = "method-detail " >
< a name = "method-i-debug" > < / a >
< div class = "method-heading" >
< span class = "method-name" > debug< / span > < span
class="method-args">()< / span >
< span class = "method-click-advice" > click to toggle source< / span >
< / div >
< div class = "method-description" >
< div class = "method-source-code"
id="debug-source">
< pre >
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< span class = "ruby-comment cmt" > # File lib/bundler/resolver.rb, line 145< / span >
145: < span class = "ruby-keyword kw" > def< / span > < span class = "ruby-identifier" > debug< / span >
146: < span class = "ruby-keyword kw" > if< / span > < span class = "ruby-constant" > ENV< / span > [< span class = "ruby-value str" > 'DEBUG_RESOLVER'< / span > ]
147: < span class = "ruby-identifier" > debug_info< / span > = < span class = "ruby-keyword kw" > yield< / span >
148: < span class = "ruby-identifier" > debug_info< / span > = < span class = "ruby-identifier" > debug_info< / span > .< span class = "ruby-identifier" > inpsect< / span > < span class = "ruby-keyword kw" > unless< / span > < span class = "ruby-identifier" > debug_info< / span > .< span class = "ruby-identifier" > is_a?< / span > (< span class = "ruby-constant" > String< / span > )
149: < span class = "ruby-identifier" > $stderr< / span > .< span class = "ruby-identifier" > puts< / span > < span class = "ruby-identifier" > debug_info< / span >
150: < span class = "ruby-keyword kw" > end< / span >
151: < span class = "ruby-keyword kw" > end< / span > < / pre >
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< / div >
< / div >
< / div >
< div id = "error-message-method" class = "method-detail " >
< a name = "method-i-error_message" > < / a >
< div class = "method-heading" >
< span class = "method-name" > error_message< / span > < span
class="method-args">()< / span >
< span class = "method-click-advice" > click to toggle source< / span >
< / div >
< div class = "method-description" >
< div class = "method-source-code"
id="error-message-source">
< pre >
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< span class = "ruby-comment cmt" > # File lib/bundler/resolver.rb, line 409< / span >
409: < span class = "ruby-keyword kw" > def< / span > < span class = "ruby-identifier" > error_message< / span >
410: < span class = "ruby-identifier" > output< / span > = < span class = "ruby-identifier" > errors< / span > .< span class = "ruby-identifier" > inject< / span > (< span class = "ruby-value str" > " " < / span > ) < span class = "ruby-keyword kw" > do< / span > < span class = "ruby-operator" > |< / span > < span class = "ruby-identifier" > o< / span > , (< span class = "ruby-identifier" > conflict< / span > , (< span class = "ruby-identifier" > origin< / span > , < span class = "ruby-identifier" > requirement< / span > ))< span class = "ruby-operator" > |< / span >
411:
412: < span class = "ruby-comment cmt" > # origin is the SpecSet of specs from the Gemfile that is conflicted with< / span >
413: < span class = "ruby-keyword kw" > if< / span > < span class = "ruby-identifier" > origin< / span >
414:
415: < span class = "ruby-identifier" > o< / span > < span class = "ruby-operator" > < < < / span > < span class = "ruby-node" > %{Bundler could not find compatible versions for gem " #{origin.name}" :\n}< / span >
416: < span class = "ruby-identifier" > o< / span > < span class = "ruby-operator" > < < < / span > < span class = "ruby-value str" > " In Gemfile:\n" < / span >
417:
418: < span class = "ruby-identifier" > o< / span > < span class = "ruby-operator" > < < < / span > < span class = "ruby-identifier" > gem_message< / span > (< span class = "ruby-identifier" > requirement< / span > )
419:
420: < span class = "ruby-comment cmt" > # If the origin is " bundler" , the conflict is us< / span >
421: < span class = "ruby-keyword kw" > if< / span > < span class = "ruby-identifier" > origin< / span > .< span class = "ruby-identifier" > name< / span > < span class = "ruby-operator" > ==< / span > < span class = "ruby-value str" > " bundler" < / span >
422: < span class = "ruby-identifier" > o< / span > < span class = "ruby-operator" > < < < / span > < span class = "ruby-value str" > " Current Bundler version:\n" < / span >
423: < span class = "ruby-identifier" > newer_bundler_required< / span > = < span class = "ruby-identifier" > requirement< / span > .< span class = "ruby-identifier" > requirement< / span > < span class = "ruby-operator" > > < / span > < span class = "ruby-constant" > Gem< / span > < span class = "ruby-operator" > ::< / span > < span class = "ruby-constant" > Requirement< / span > .< span class = "ruby-identifier" > new< / span > (< span class = "ruby-identifier" > origin< / span > .< span class = "ruby-identifier" > version< / span > )
424: < span class = "ruby-comment cmt" > # If the origin is a LockfileParser, it does not respond_to :required_by< / span >
425: < span class = "ruby-keyword kw" > elsif< / span > < span class = "ruby-operator" > !< / span > < span class = "ruby-identifier" > origin< / span > .< span class = "ruby-identifier" > respond_to?< / span > (< span class = "ruby-value" > :required_by< / span > ) < span class = "ruby-operator" > ||< / span > < span class = "ruby-operator" > !< / span > (< span class = "ruby-identifier" > required_by< / span > = < span class = "ruby-identifier" > origin< / span > .< span class = "ruby-identifier" > required_by< / span > .< span class = "ruby-identifier" > first< / span > )
426: < span class = "ruby-identifier" > o< / span > < span class = "ruby-operator" > < < < / span > < span class = "ruby-value str" > " In snapshot (Gemfile.lock):\n" < / span >
427: < span class = "ruby-keyword kw" > end< / span >
428:
429: < span class = "ruby-identifier" > o< / span > < span class = "ruby-operator" > < < < / span > < span class = "ruby-identifier" > gem_message< / span > (< span class = "ruby-identifier" > origin< / span > )
430:
431: < span class = "ruby-comment cmt" > # If the bundle wants a newer bundler than the running bundler, explain< / span >
432: < span class = "ruby-keyword kw" > if< / span > < span class = "ruby-identifier" > origin< / span > .< span class = "ruby-identifier" > name< / span > < span class = "ruby-operator" > ==< / span > < span class = "ruby-value str" > " bundler" < / span > < span class = "ruby-operator" > & & < / span > < span class = "ruby-identifier" > newer_bundler_required< / span >
433: < span class = "ruby-identifier" > o< / span > < span class = "ruby-operator" > < < < / span > < span class = "ruby-value str" > " Your version of Bundler is older than the one requested by the Gemfile.\n" < / span >
434: < span class = "ruby-identifier" > o< / span > < span class = "ruby-operator" > < < < / span > < span class = "ruby-value str" > " Perhaps you need to update Bundler by running `gem install bundler`." < / span >
435: < span class = "ruby-keyword kw" > end< / span >
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436:
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437: < span class = "ruby-comment cmt" > # origin is nil if the required gem and version cannot be found in any of< / span >
438: < span class = "ruby-comment cmt" > # the specified sources< / span >
439: < span class = "ruby-keyword kw" > else< / span >
440:
441: < span class = "ruby-comment cmt" > # if the gem cannot be found because of a version conflict between lockfile and gemfile,< / span >
442: < span class = "ruby-comment cmt" > # print a useful error that suggests running `bundle update`, which may fix things< / span >
443: < span class = "ruby-comment cmt" > #< / span >
444: < span class = "ruby-comment cmt" > # @base is a SpecSet of the gems in the lockfile< / span >
445: < span class = "ruby-comment cmt" > # conflict is the name of the gem that could not be found< / span >
446: < span class = "ruby-keyword kw" > if< / span > < span class = "ruby-identifier" > locked< / span > = < span class = "ruby-ivar" > @base< / span > [< span class = "ruby-identifier" > conflict< / span > ].< span class = "ruby-identifier" > first< / span >
447: < span class = "ruby-identifier" > o< / span > < span class = "ruby-operator" > < < < / span > < span class = "ruby-node" > " Bundler could not find compatible versions for gem #{conflict.inspect}:\n" < / span >
448: < span class = "ruby-identifier" > o< / span > < span class = "ruby-operator" > < < < / span > < span class = "ruby-value str" > " In snapshot (Gemfile.lock):\n" < / span >
449: < span class = "ruby-identifier" > o< / span > < span class = "ruby-operator" > < < < / span > < span class = "ruby-node" > " #{clean_req(locked)}\n\n" < / span >
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450:
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451: < span class = "ruby-identifier" > o< / span > < span class = "ruby-operator" > < < < / span > < span class = "ruby-value str" > " In Gemfile:\n" < / span >
452: < span class = "ruby-identifier" > o< / span > < span class = "ruby-operator" > < < < / span > < span class = "ruby-identifier" > gem_message< / span > (< span class = "ruby-identifier" > requirement< / span > )
453: < span class = "ruby-identifier" > o< / span > < span class = "ruby-operator" > < < < / span > < span class = "ruby-value str" > " Running `bundle update` will rebuild your snapshot from scratch, using only\n" < / span >
454: < span class = "ruby-identifier" > o< / span > < span class = "ruby-operator" > < < < / span > < span class = "ruby-value str" > " the gems in your Gemfile, which may resolve the conflict.\n" < / span >
455:
456: < span class = "ruby-comment cmt" > # the rest of the time, the gem cannot be found because it does not exist in the known sources< / span >
457: < span class = "ruby-keyword kw" > else< / span >
458: < span class = "ruby-keyword kw" > if< / span > < span class = "ruby-identifier" > requirement< / span > .< span class = "ruby-identifier" > required_by< / span > .< span class = "ruby-identifier" > first< / span >
459: < span class = "ruby-identifier" > o< / span > < span class = "ruby-operator" > < < < / span > < span class = "ruby-node" > " Could not find gem '#{clean_req(requirement)}', required by '#{clean_req(requirement.required_by.first)}', in any of the sources\n" < / span >
460: < span class = "ruby-keyword kw" > else< / span >
461: < span class = "ruby-identifier" > o< / span > < span class = "ruby-operator" > < < < / span > < span class = "ruby-node" > " Could not find gem '#{clean_req(requirement)} in any of the sources\n" < / span >
462: < span class = "ruby-keyword kw" > end< / span >
463: < span class = "ruby-keyword kw" > end< / span >
464:
465: < span class = "ruby-keyword kw" > end< / span >
466: < span class = "ruby-identifier" > o< / span >
467: < span class = "ruby-keyword kw" > end< / span >
468: < span class = "ruby-keyword kw" > end< / span > < / pre >
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< / div >
< / div >
< / div >
< div id = "gem-message-method" class = "method-detail " >
< a name = "method-i-gem_message" > < / a >
< div class = "method-heading" >
< span class = "method-name" > gem_message< / span > < span
class="method-args">(requirement)< / span >
< span class = "method-click-advice" > click to toggle source< / span >
< / div >
< div class = "method-description" >
< p >
For a given conflicted requirement, print out what exactly went wrong
< / p >
< div class = "method-source-code"
id="gem-message-source">
< pre >
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< span class = "ruby-comment cmt" > # File lib/bundler/resolver.rb, line 395< / span >
395: < span class = "ruby-keyword kw" > def< / span > < span class = "ruby-identifier" > gem_message< / span > (< span class = "ruby-identifier" > requirement< / span > )
396: < span class = "ruby-identifier" > m< / span > = < span class = "ruby-value str" > " " < / span >
397:
398: < span class = "ruby-comment cmt" > # A requirement that is required by itself is actually in the Gemfile, and does< / span >
399: < span class = "ruby-comment cmt" > # not " depend on" itself< / span >
400: < span class = "ruby-keyword kw" > if< / span > < span class = "ruby-identifier" > requirement< / span > .< span class = "ruby-identifier" > required_by< / span > .< span class = "ruby-identifier" > first< / span > < span class = "ruby-operator" > & & < / span > < span class = "ruby-identifier" > requirement< / span > .< span class = "ruby-identifier" > required_by< / span > .< span class = "ruby-identifier" > first< / span > .< span class = "ruby-identifier" > name< / span > < span class = "ruby-operator" > !=< / span > < span class = "ruby-identifier" > requirement< / span > .< span class = "ruby-identifier" > name< / span >
401: < span class = "ruby-identifier" > m< / span > < span class = "ruby-operator" > < < < / span > < span class = "ruby-node" > " #{clean_req(requirement.required_by.first)} depends on\n" < / span >
402: < span class = "ruby-identifier" > m< / span > < span class = "ruby-operator" > < < < / span > < span class = "ruby-node" > " #{clean_req(requirement)}\n" < / span >
403: < span class = "ruby-keyword kw" > else< / span >
404: < span class = "ruby-identifier" > m< / span > < span class = "ruby-operator" > < < < / span > < span class = "ruby-node" > " #{clean_req(requirement)}\n" < / span >
405: < span class = "ruby-keyword kw" > end< / span >
406: < span class = "ruby-identifier" > m< / span > < span class = "ruby-operator" > < < < / span > < span class = "ruby-value str" > " \n" < / span >
407: < span class = "ruby-keyword kw" > end< / span > < / pre >
< / div >
< / div >
< / div >
< div id = "gems-size-method" class = "method-detail " >
< a name = "method-i-gems_size" > < / a >
< div class = "method-heading" >
< span class = "method-name" > gems_size< / span > < span
class="method-args">(dep)< / span >
< span class = "method-click-advice" > click to toggle source< / span >
< / div >
< div class = "method-description" >
< div class = "method-source-code"
id="gems-size-source">
< pre >
< span class = "ruby-comment cmt" > # File lib/bundler/resolver.rb, line 353< / span >
353: < span class = "ruby-keyword kw" > def< / span > < span class = "ruby-identifier" > gems_size< / span > (< span class = "ruby-identifier" > dep< / span > )
354: < span class = "ruby-ivar" > @gems_size< / span > [< span class = "ruby-identifier" > dep< / span > ] < span class = "ruby-operator" > ||=< / span > < span class = "ruby-identifier" > search< / span > (< span class = "ruby-identifier" > dep< / span > ).< span class = "ruby-identifier" > size< / span >
355: < span class = "ruby-keyword kw" > end< / span > < / pre >
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< / div >
< / div >
< / div >
< div id = "resolve-method" class = "method-detail " >
< a name = "method-i-resolve" > < / a >
< div class = "method-heading" >
< span class = "method-name" > resolve< / span > < span
class="method-args">(reqs, activated)< / span >
< span class = "method-click-advice" > click to toggle source< / span >
< / div >
< div class = "method-description" >
< div class = "method-source-code"
id="resolve-source">
< pre >
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< span class = "ruby-comment cmt" > # File lib/bundler/resolver.rb, line 163< / span >
163: < span class = "ruby-keyword kw" > def< / span > < span class = "ruby-identifier" > resolve< / span > (< span class = "ruby-identifier" > reqs< / span > , < span class = "ruby-identifier" > activated< / span > )
164: < span class = "ruby-comment cmt" > # If the requirements are empty, then we are in a success state. Aka, all< / span >
165: < span class = "ruby-comment cmt" > # gem dependencies have been resolved.< / span >
166: < span class = "ruby-identifier" > throw< / span > < span class = "ruby-value" > :success< / span > , < span class = "ruby-identifier" > successify< / span > (< span class = "ruby-identifier" > activated< / span > ) < span class = "ruby-keyword kw" > if< / span > < span class = "ruby-identifier" > reqs< / span > .< span class = "ruby-identifier" > empty?< / span >
167:
168: < span class = "ruby-identifier" > debug< / span > { < span class = "ruby-identifier" > print< / span > < span class = "ruby-value str" > " \e[2J\e[f" < / span > ; < span class = "ruby-value str" > " ==== Iterating ====\n\n" < / span > }
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169:
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170: < span class = "ruby-comment cmt" > # Sort dependencies so that the ones that are easiest to resolve are first.< / span >
171: < span class = "ruby-comment cmt" > # Easiest to resolve is defined by:< / span >
172: < span class = "ruby-comment cmt" > # 1) Is this gem already activated?< / span >
173: < span class = "ruby-comment cmt" > # 2) Do the version requirements include prereleased gems?< / span >
174: < span class = "ruby-comment cmt" > # 3) Sort by number of gems available in the source.< / span >
175: < span class = "ruby-identifier" > reqs< / span > = < span class = "ruby-identifier" > reqs< / span > .< span class = "ruby-identifier" > sort_by< / span > < span class = "ruby-keyword kw" > do< / span > < span class = "ruby-operator" > |< / span > < span class = "ruby-identifier" > a< / span > < span class = "ruby-operator" > |< / span >
176: [ < span class = "ruby-identifier" > activated< / span > [< span class = "ruby-identifier" > a< / span > .< span class = "ruby-identifier" > name< / span > ] < span class = "ruby-operator" > ?< / span > < span class = "ruby-value" > 0< / span > < span class = "ruby-operator" > :< / span > < span class = "ruby-value" > 1< / span > ,
177: < span class = "ruby-identifier" > a< / span > .< span class = "ruby-identifier" > requirement< / span > .< span class = "ruby-identifier" > prerelease?< / span > < span class = "ruby-operator" > ?< / span > < span class = "ruby-value" > 0< / span > < span class = "ruby-operator" > :< / span > < span class = "ruby-value" > 1< / span > ,
178: < span class = "ruby-ivar" > @errors< / span > [< span class = "ruby-identifier" > a< / span > .< span class = "ruby-identifier" > name< / span > ] < span class = "ruby-operator" > ?< / span > < span class = "ruby-value" > 0< / span > < span class = "ruby-operator" > :< / span > < span class = "ruby-value" > 1< / span > ,
179: < span class = "ruby-identifier" > activated< / span > [< span class = "ruby-identifier" > a< / span > .< span class = "ruby-identifier" > name< / span > ] < span class = "ruby-operator" > ?< / span > < span class = "ruby-value" > 0< / span > < span class = "ruby-operator" > :< / span > < span class = "ruby-identifier" > gems_size< / span > (< span class = "ruby-identifier" > a< / span > ) ]
180: < span class = "ruby-keyword kw" > end< / span >
181:
182: < span class = "ruby-identifier" > debug< / span > { < span class = "ruby-value str" > " Activated:\n" < / span > < span class = "ruby-operator" > +< / span > < span class = "ruby-identifier" > activated< / span > .< span class = "ruby-identifier" > values< / span > .< span class = "ruby-identifier" > map< / span > { < span class = "ruby-operator" > |< / span > < span class = "ruby-identifier" > a< / span > < span class = "ruby-operator" > |< / span > < span class = "ruby-node" > " #{a.name} (#{a.version})" < / span > }.< span class = "ruby-identifier" > join< / span > (< span class = "ruby-value str" > " \n" < / span > ) }
183: < span class = "ruby-identifier" > debug< / span > { < span class = "ruby-value str" > " Requirements:\n" < / span > < span class = "ruby-operator" > +< / span > < span class = "ruby-identifier" > reqs< / span > .< span class = "ruby-identifier" > map< / span > { < span class = "ruby-operator" > |< / span > < span class = "ruby-identifier" > r< / span > < span class = "ruby-operator" > |< / span > < span class = "ruby-node" > " #{r.name} (#{r.requirement})" < / span > }.< span class = "ruby-identifier" > join< / span > (< span class = "ruby-value str" > " \n" < / span > ) }
184:
185: < span class = "ruby-identifier" > activated< / span > = < span class = "ruby-identifier" > activated< / span > .< span class = "ruby-identifier" > dup< / span >
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186:
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187: < span class = "ruby-comment cmt" > # Pull off the first requirement so that we can resolve it< / span >
188: < span class = "ruby-identifier" > current< / span > = < span class = "ruby-identifier" > reqs< / span > .< span class = "ruby-identifier" > shift< / span >
189:
190: < span class = "ruby-identifier" > debug< / span > { < span class = "ruby-node" > " Attempting:\n #{current.name} (#{current.requirement})" < / span > }
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191:
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192: < span class = "ruby-comment cmt" > # Check if the gem has already been activated, if it has, we will make sure< / span >
193: < span class = "ruby-comment cmt" > # that the currently activated gem satisfies the requirement.< / span >
194: < span class = "ruby-identifier" > existing< / span > = < span class = "ruby-identifier" > activated< / span > [< span class = "ruby-identifier" > current< / span > .< span class = "ruby-identifier" > name< / span > ]
195: < span class = "ruby-keyword kw" > if< / span > < span class = "ruby-identifier" > existing< / span > < span class = "ruby-operator" > ||< / span > < span class = "ruby-identifier" > current< / span > .< span class = "ruby-identifier" > name< / span > < span class = "ruby-operator" > ==< / span > < span class = "ruby-value str" > 'bundler'< / span >
196: < span class = "ruby-comment cmt" > # Force the current< / span >
197: < span class = "ruby-keyword kw" > if< / span > < span class = "ruby-identifier" > current< / span > .< span class = "ruby-identifier" > name< / span > < span class = "ruby-operator" > ==< / span > < span class = "ruby-value str" > 'bundler'< / span > < span class = "ruby-operator" > & & < / span > < span class = "ruby-operator" > !< / span > < span class = "ruby-identifier" > existing< / span >
198: < span class = "ruby-identifier" > existing< / span > = < span class = "ruby-identifier" > search< / span > (< span class = "ruby-constant" > DepProxy< / span > .< span class = "ruby-identifier" > new< / span > (< span class = "ruby-constant" > Gem< / span > < span class = "ruby-operator" > ::< / span > < span class = "ruby-constant" > Dependency< / span > .< span class = "ruby-identifier" > new< / span > (< span class = "ruby-value str" > 'bundler'< / span > , < span class = "ruby-constant" > VERSION< / span > ), < span class = "ruby-constant" > Gem< / span > < span class = "ruby-operator" > ::< / span > < span class = "ruby-constant" > Platform< / span > < span class = "ruby-operator" > ::< / span > < span class = "ruby-constant" > RUBY< / span > )).< span class = "ruby-identifier" > first< / span >
199: < span class = "ruby-identifier" > raise< / span > < span class = "ruby-constant" > GemNotFound< / span > , < span class = "ruby-node" > %{Bundler could not find gem " bundler" (#{VERSION})}< / span > < span class = "ruby-keyword kw" > unless< / span > < span class = "ruby-identifier" > existing< / span >
200: < span class = "ruby-identifier" > existing< / span > .< span class = "ruby-identifier" > required_by< / span > < span class = "ruby-operator" > < < < / span > < span class = "ruby-identifier" > existing< / span >
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201: < span class = "ruby-identifier" > activated< / span > [< span class = "ruby-value str" > 'bundler'< / span > ] = < span class = "ruby-identifier" > existing< / span >
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202: < span class = "ruby-keyword kw" > end< / span >
203:
204: < span class = "ruby-keyword kw" > if< / span > < span class = "ruby-identifier" > current< / span > .< span class = "ruby-identifier" > requirement< / span > .< span class = "ruby-identifier" > satisfied_by?< / span > (< span class = "ruby-identifier" > existing< / span > .< span class = "ruby-identifier" > version< / span > )
205: < span class = "ruby-identifier" > debug< / span > { < span class = "ruby-value str" > " * [SUCCESS] Already activated" < / span > }
206: < span class = "ruby-ivar" > @errors< / span > .< span class = "ruby-identifier" > delete< / span > (< span class = "ruby-identifier" > existing< / span > .< span class = "ruby-identifier" > name< / span > )
207: < span class = "ruby-comment cmt" > # Since the current requirement is satisfied, we can continue resolving< / span >
208: < span class = "ruby-comment cmt" > # the remaining requirements.< / span >
209:
210: < span class = "ruby-comment cmt" > # I have no idea if this is the right way to do it, but let's see if it works< / span >
211: < span class = "ruby-comment cmt" > # The current requirement might activate some other platforms, so let's try< / span >
212: < span class = "ruby-comment cmt" > # adding those requirements here.< / span >
213: < span class = "ruby-identifier" > reqs< / span > .< span class = "ruby-identifier" > concat< / span > < span class = "ruby-identifier" > existing< / span > .< span class = "ruby-identifier" > activate_platform< / span > (< span class = "ruby-identifier" > current< / span > .< span class = "ruby-identifier" > __platform< / span > )
214:
215: < span class = "ruby-identifier" > resolve< / span > (< span class = "ruby-identifier" > reqs< / span > , < span class = "ruby-identifier" > activated< / span > )
216: < span class = "ruby-keyword kw" > else< / span >
217: < span class = "ruby-identifier" > debug< / span > { < span class = "ruby-value str" > " * [FAIL] Already activated" < / span > }
218: < span class = "ruby-ivar" > @errors< / span > [< span class = "ruby-identifier" > existing< / span > .< span class = "ruby-identifier" > name< / span > ] = [< span class = "ruby-identifier" > existing< / span > , < span class = "ruby-identifier" > current< / span > ]
219: < span class = "ruby-identifier" > debug< / span > { < span class = "ruby-identifier" > current< / span > .< span class = "ruby-identifier" > required_by< / span > .< span class = "ruby-identifier" > map< / span > {< span class = "ruby-operator" > |< / span > < span class = "ruby-identifier" > d< / span > < span class = "ruby-operator" > |< / span > < span class = "ruby-node" > " * #{d.name} (#{d.requirement})" < / span > }.< span class = "ruby-identifier" > join< / span > (< span class = "ruby-value str" > " \n" < / span > ) }
220: < span class = "ruby-comment cmt" > # debug { " * All current conflicts:\n" + @errors.keys.map { |c| " - #{c}" }.join(" \n" ) }< / span >
221: < span class = "ruby-comment cmt" > # Since the current requirement conflicts with an activated gem, we need< / span >
222: < span class = "ruby-comment cmt" > # to backtrack to the current requirement's parent and try another version< / span >
223: < span class = "ruby-comment cmt" > # of it (maybe the current requirement won't be present anymore). If the< / span >
224: < span class = "ruby-comment cmt" > # current requirement is a root level requirement, we need to jump back to< / span >
225: < span class = "ruby-comment cmt" > # where the conflicting gem was activated.< / span >
226: < span class = "ruby-identifier" > parent< / span > = < span class = "ruby-identifier" > current< / span > .< span class = "ruby-identifier" > required_by< / span > .< span class = "ruby-identifier" > last< / span >
227: < span class = "ruby-comment cmt" > # `existing` could not respond to required_by if it is part of the base set< / span >
228: < span class = "ruby-comment cmt" > # of specs that was passed to the resolver (aka, instance of LazySpecification)< / span >
229: < span class = "ruby-identifier" > parent< / span > < span class = "ruby-operator" > ||=< / span > < span class = "ruby-identifier" > existing< / span > .< span class = "ruby-identifier" > required_by< / span > .< span class = "ruby-identifier" > last< / span > < span class = "ruby-keyword kw" > if< / span > < span class = "ruby-identifier" > existing< / span > .< span class = "ruby-identifier" > respond_to?< / span > (< span class = "ruby-value" > :required_by< / span > )
230: < span class = "ruby-comment cmt" > # We track the spot where the current gem was activated because we need< / span >
231: < span class = "ruby-comment cmt" > # to keep a list of every spot a failure happened.< / span >
232: < span class = "ruby-keyword kw" > if< / span > < span class = "ruby-identifier" > parent< / span > < span class = "ruby-operator" > & & < / span > < span class = "ruby-identifier" > parent< / span > .< span class = "ruby-identifier" > name< / span > < span class = "ruby-operator" > !=< / span > < span class = "ruby-value str" > 'bundler'< / span >
233: < span class = "ruby-identifier" > debug< / span > { < span class = "ruby-node" > " -> Jumping to: #{parent.name}" < / span > }
234: < span class = "ruby-identifier" > required_by< / span > = < span class = "ruby-identifier" > existing< / span > .< span class = "ruby-identifier" > respond_to?< / span > (< span class = "ruby-value" > :required_by< / span > ) < span class = "ruby-operator" > & & < / span > < span class = "ruby-identifier" > existing< / span > .< span class = "ruby-identifier" > required_by< / span > .< span class = "ruby-identifier" > last< / span >
235: < span class = "ruby-identifier" > throw< / span > < span class = "ruby-identifier" > parent< / span > .< span class = "ruby-identifier" > name< / span > , < span class = "ruby-identifier" > required_by< / span > < span class = "ruby-operator" > & & < / span > < span class = "ruby-identifier" > required_by< / span > .< span class = "ruby-identifier" > name< / span >
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236: < span class = "ruby-keyword kw" > else< / span >
237: < span class = "ruby-comment cmt" > # The original set of dependencies conflict with the base set of specs< / span >
238: < span class = "ruby-comment cmt" > # passed to the resolver. This is by definition an impossible resolve.< / span >
239: < span class = "ruby-identifier" > raise< / span > < span class = "ruby-identifier" > version_conflict< / span >
240: < span class = "ruby-keyword kw" > end< / span >
241: < span class = "ruby-keyword kw" > end< / span >
242: < span class = "ruby-keyword kw" > else< / span >
243: < span class = "ruby-comment cmt" > # There are no activated gems for the current requirement, so we are going< / span >
244: < span class = "ruby-comment cmt" > # to find all gems that match the current requirement and try them in decending< / span >
245: < span class = "ruby-comment cmt" > # order. We also need to keep a set of all conflicts that happen while trying< / span >
246: < span class = "ruby-comment cmt" > # this gem. This is so that if no versions work, we can figure out the best< / span >
247: < span class = "ruby-comment cmt" > # place to backtrack to.< / span >
248: < span class = "ruby-identifier" > conflicts< / span > = < span class = "ruby-constant" > Set< / span > .< span class = "ruby-identifier" > new< / span >
249:
250: < span class = "ruby-comment cmt" > # Fetch all gem versions matching the requirement< / span >
251: < span class = "ruby-comment cmt" > #< / span >
252: < span class = "ruby-comment cmt" > # TODO: Warn / error when no matching versions are found.< / span >
253: < span class = "ruby-identifier" > matching_versions< / span > = < span class = "ruby-identifier" > search< / span > (< span class = "ruby-identifier" > current< / span > )
254:
255: < span class = "ruby-keyword kw" > if< / span > < span class = "ruby-identifier" > matching_versions< / span > .< span class = "ruby-identifier" > empty?< / span >
256: < span class = "ruby-keyword kw" > if< / span > < span class = "ruby-identifier" > current< / span > .< span class = "ruby-identifier" > required_by< / span > .< span class = "ruby-identifier" > empty?< / span >
257: < span class = "ruby-keyword kw" > if< / span > < span class = "ruby-identifier" > base< / span > = < span class = "ruby-ivar" > @base< / span > [< span class = "ruby-identifier" > current< / span > .< span class = "ruby-identifier" > name< / span > ] < span class = "ruby-keyword kw" > and< / span > < span class = "ruby-operator" > !< / span > < span class = "ruby-identifier" > base< / span > .< span class = "ruby-identifier" > empty?< / span >
258: < span class = "ruby-identifier" > version< / span > = < span class = "ruby-identifier" > base< / span > .< span class = "ruby-identifier" > first< / span > .< span class = "ruby-identifier" > version< / span >
259: < span class = "ruby-identifier" > message< / span > = < span class = "ruby-value str" > " You have requested:\n" < / span > < span class = "ruby-node" > " #{current.name} #{current.requirement}\n\n" < / span > < span class = "ruby-node" > " The bundle currently has #{current.name} locked at #{version}.\n" < / span > < span class = "ruby-node" > " Try running `bundle update #{current.name}`" < / span >
260: < span class = "ruby-keyword kw" > elsif< / span > < span class = "ruby-identifier" > current< / span > .< span class = "ruby-identifier" > source< / span >
261: < span class = "ruby-identifier" > name< / span > = < span class = "ruby-identifier" > current< / span > .< span class = "ruby-identifier" > name< / span >
262: < span class = "ruby-identifier" > versions< / span > = < span class = "ruby-ivar" > @source_requirements< / span > [< span class = "ruby-identifier" > name< / span > ][< span class = "ruby-identifier" > name< / span > ].< span class = "ruby-identifier" > map< / span > { < span class = "ruby-operator" > |< / span > < span class = "ruby-identifier" > s< / span > < span class = "ruby-operator" > |< / span > < span class = "ruby-identifier" > s< / span > .< span class = "ruby-identifier" > version< / span > }
263: < span class = "ruby-identifier" > message< / span > = < span class = "ruby-node" > " Could not find gem '#{current}' in #{current.source}.\n" < / span >
264: < span class = "ruby-keyword kw" > if< / span > < span class = "ruby-identifier" > versions< / span > .< span class = "ruby-identifier" > any?< / span >
265: < span class = "ruby-identifier" > message< / span > < span class = "ruby-operator" > < < < / span > < span class = "ruby-node" > " Source contains '#{name}' at: #{versions.join(', ')}" < / span >
266: < span class = "ruby-keyword kw" > else< / span >
267: < span class = "ruby-identifier" > message< / span > < span class = "ruby-operator" > < < < / span > < span class = "ruby-node" > " Source does not contain any versions of '#{current}'" < / span >
268: < span class = "ruby-keyword kw" > end< / span >
269: < span class = "ruby-keyword kw" > else< / span >
270: < span class = "ruby-identifier" > message< / span > = < span class = "ruby-node" > " Could not find gem '#{current}' " < / span >
271: < span class = "ruby-keyword kw" > if< / span > < span class = "ruby-ivar" > @index< / span > .< span class = "ruby-identifier" > sources< / span > .< span class = "ruby-identifier" > include?< / span > (< span class = "ruby-constant" > Bundler< / span > < span class = "ruby-operator" > ::< / span > < span class = "ruby-constant" > Source< / span > < span class = "ruby-operator" > ::< / span > < span class = "ruby-constant" > Rubygems< / span > )
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272: < span class = "ruby-identifier" > message< / span > < span class = "ruby-operator" > < < < / span > < span class = "ruby-value str" > " in any of the gem sources listed in your Gemfile." < / span >
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273: < span class = "ruby-keyword kw" > else< / span >
274: < span class = "ruby-identifier" > message< / span > < span class = "ruby-operator" > < < < / span > < span class = "ruby-value str" > " in the gems available on this machine." < / span >
275: < span class = "ruby-keyword kw" > end< / span >
276: < span class = "ruby-keyword kw" > end< / span >
277: < span class = "ruby-identifier" > raise< / span > < span class = "ruby-constant" > GemNotFound< / span > , < span class = "ruby-identifier" > message< / span >
278: < span class = "ruby-keyword kw" > else< / span >
279: < span class = "ruby-keyword kw" > if< / span > < span class = "ruby-ivar" > @missing_gems< / span > [< span class = "ruby-identifier" > current< / span > ] < span class = "ruby-operator" > > =< / span > < span class = "ruby-value" > 5< / span >
280: < span class = "ruby-identifier" > message< / span > = < span class = "ruby-node" > " Bundler could not find find gem #{current.required_by.last}," < / span >
281: < span class = "ruby-identifier" > message< / span > < span class = "ruby-operator" > < < < / span > < span class = "ruby-node" > " which is required by gem #{current}." < / span >
282: < span class = "ruby-identifier" > raise< / span > < span class = "ruby-constant" > GemNotFound< / span > , < span class = "ruby-identifier" > message< / span >
283: < span class = "ruby-keyword kw" > end< / span >
284: < span class = "ruby-ivar" > @missing_gems< / span > [< span class = "ruby-identifier" > current< / span > ] < span class = "ruby-operator" > +=< / span > < span class = "ruby-value" > 1< / span >
285:
286: < span class = "ruby-identifier" > debug< / span > { < span class = "ruby-node" > " Could not find #{current} by #{current.required_by.last}" < / span > }
287: < span class = "ruby-ivar" > @errors< / span > [< span class = "ruby-identifier" > current< / span > .< span class = "ruby-identifier" > name< / span > ] = [< span class = "ruby-keyword kw" > nil< / span > , < span class = "ruby-identifier" > current< / span > ]
288: < span class = "ruby-keyword kw" > end< / span >
289: < span class = "ruby-keyword kw" > end< / span >
290:
291: < span class = "ruby-identifier" > matching_versions< / span > .< span class = "ruby-identifier" > reverse_each< / span > < span class = "ruby-keyword kw" > do< / span > < span class = "ruby-operator" > |< / span > < span class = "ruby-identifier" > spec_group< / span > < span class = "ruby-operator" > |< / span >
292: < span class = "ruby-identifier" > conflict< / span > = < span class = "ruby-identifier" > resolve_requirement< / span > (< span class = "ruby-identifier" > spec_group< / span > , < span class = "ruby-identifier" > current< / span > , < span class = "ruby-identifier" > reqs< / span > .< span class = "ruby-identifier" > dup< / span > , < span class = "ruby-identifier" > activated< / span > .< span class = "ruby-identifier" > dup< / span > )
293: < span class = "ruby-identifier" > conflicts< / span > < span class = "ruby-operator" > < < < / span > < span class = "ruby-identifier" > conflict< / span > < span class = "ruby-keyword kw" > if< / span > < span class = "ruby-identifier" > conflict< / span >
294: < span class = "ruby-keyword kw" > end< / span >
295: < span class = "ruby-comment cmt" > # If the current requirement is a root level gem and we have conflicts, we< / span >
296: < span class = "ruby-comment cmt" > # can figure out the best spot to backtrack to.< / span >
297: < span class = "ruby-keyword kw" > if< / span > < span class = "ruby-identifier" > current< / span > .< span class = "ruby-identifier" > required_by< / span > .< span class = "ruby-identifier" > empty?< / span > < span class = "ruby-operator" > & & < / span > < span class = "ruby-operator" > !< / span > < span class = "ruby-identifier" > conflicts< / span > .< span class = "ruby-identifier" > empty?< / span >
298: < span class = "ruby-comment cmt" > # Check the current " catch" stack for the first one that is included in the< / span >
299: < span class = "ruby-comment cmt" > # conflicts set. That is where the parent of the conflicting gem was required.< / span >
300: < span class = "ruby-comment cmt" > # By jumping back to this spot, we can try other version of the parent of< / span >
301: < span class = "ruby-comment cmt" > # the conflicting gem, hopefully finding a combination that activates correctly.< / span >
302: < span class = "ruby-ivar" > @stack< / span > .< span class = "ruby-identifier" > reverse_each< / span > < span class = "ruby-keyword kw" > do< / span > < span class = "ruby-operator" > |< / span > < span class = "ruby-identifier" > savepoint< / span > < span class = "ruby-operator" > |< / span >
303: < span class = "ruby-keyword kw" > if< / span > < span class = "ruby-identifier" > conflicts< / span > .< span class = "ruby-identifier" > include?< / span > (< span class = "ruby-identifier" > savepoint< / span > )
304: < span class = "ruby-identifier" > debug< / span > { < span class = "ruby-node" > " -> Jumping to: #{savepoint}" < / span > }
305: < span class = "ruby-identifier" > throw< / span > < span class = "ruby-identifier" > savepoint< / span >
306: < span class = "ruby-keyword kw" > end< / span >
307: < span class = "ruby-keyword kw" > end< / span >
308: < span class = "ruby-keyword kw" > end< / span >
309: < span class = "ruby-keyword kw" > end< / span >
310: < span class = "ruby-keyword kw" > end< / span > < / pre >
< / div >
< / div >
< / div >
< div id = "resolve-requirement-method" class = "method-detail " >
< a name = "method-i-resolve_requirement" > < / a >
< div class = "method-heading" >
< span class = "method-name" > resolve_requirement< / span > < span
class="method-args">(spec_group, requirement, reqs, activated)< / span >
< span class = "method-click-advice" > click to toggle source< / span >
< / div >
< div class = "method-description" >
< div class = "method-source-code"
id="resolve-requirement-source">
< pre >
< span class = "ruby-comment cmt" > # File lib/bundler/resolver.rb, line 315< / span >
315: < span class = "ruby-keyword kw" > def< / span > < span class = "ruby-identifier" > resolve_requirement< / span > (< span class = "ruby-identifier" > spec_group< / span > , < span class = "ruby-identifier" > requirement< / span > , < span class = "ruby-identifier" > reqs< / span > , < span class = "ruby-identifier" > activated< / span > )
316: < span class = "ruby-comment cmt" > # We are going to try activating the spec. We need to keep track of stack of< / span >
317: < span class = "ruby-comment cmt" > # requirements that got us to the point of activating this gem.< / span >
318: < span class = "ruby-identifier" > spec_group< / span > .< span class = "ruby-identifier" > required_by< / span > .< span class = "ruby-identifier" > replace< / span > < span class = "ruby-identifier" > requirement< / span > .< span class = "ruby-identifier" > required_by< / span >
319: < span class = "ruby-identifier" > spec_group< / span > .< span class = "ruby-identifier" > required_by< / span > < span class = "ruby-operator" > < < < / span > < span class = "ruby-identifier" > requirement< / span >
320:
321: < span class = "ruby-identifier" > activated< / span > [< span class = "ruby-identifier" > spec_group< / span > .< span class = "ruby-identifier" > name< / span > ] = < span class = "ruby-identifier" > spec_group< / span >
322: < span class = "ruby-identifier" > debug< / span > { < span class = "ruby-node" > " Activating: #{spec_group.name} (#{spec_group.version})" < / span > }
323: < span class = "ruby-identifier" > debug< / span > { < span class = "ruby-identifier" > spec_group< / span > .< span class = "ruby-identifier" > required_by< / span > .< span class = "ruby-identifier" > map< / span > { < span class = "ruby-operator" > |< / span > < span class = "ruby-identifier" > d< / span > < span class = "ruby-operator" > |< / span > < span class = "ruby-node" > " * #{d.name} (#{d.requirement})" < / span > }.< span class = "ruby-identifier" > join< / span > (< span class = "ruby-value str" > " \n" < / span > ) }
324:
325: < span class = "ruby-identifier" > dependencies< / span > = < span class = "ruby-identifier" > spec_group< / span > .< span class = "ruby-identifier" > activate_platform< / span > (< span class = "ruby-identifier" > requirement< / span > .< span class = "ruby-identifier" > __platform< / span > )
326:
327: < span class = "ruby-comment cmt" > # Now, we have to loop through all child dependencies and add them to our< / span >
328: < span class = "ruby-comment cmt" > # array of requirements.< / span >
329: < span class = "ruby-identifier" > debug< / span > { < span class = "ruby-value str" > " Dependencies" < / span > }
330: < span class = "ruby-identifier" > dependencies< / span > .< span class = "ruby-identifier" > each< / span > < span class = "ruby-keyword kw" > do< / span > < span class = "ruby-operator" > |< / span > < span class = "ruby-identifier" > dep< / span > < span class = "ruby-operator" > |< / span >
331: < span class = "ruby-keyword kw" > next< / span > < span class = "ruby-keyword kw" > if< / span > < span class = "ruby-identifier" > dep< / span > .< span class = "ruby-identifier" > type< / span > < span class = "ruby-operator" > ==< / span > < span class = "ruby-value" > :development< / span >
332: < span class = "ruby-identifier" > debug< / span > { < span class = "ruby-node" > " * #{dep.name} (#{dep.requirement})" < / span > }
333: < span class = "ruby-identifier" > dep< / span > .< span class = "ruby-identifier" > required_by< / span > .< span class = "ruby-identifier" > replace< / span > (< span class = "ruby-identifier" > requirement< / span > .< span class = "ruby-identifier" > required_by< / span > )
334: < span class = "ruby-identifier" > dep< / span > .< span class = "ruby-identifier" > required_by< / span > < span class = "ruby-operator" > < < < / span > < span class = "ruby-identifier" > requirement< / span >
335: < span class = "ruby-identifier" > reqs< / span > < span class = "ruby-operator" > < < < / span > < span class = "ruby-identifier" > dep< / span >
336: < span class = "ruby-keyword kw" > end< / span >
337:
338: < span class = "ruby-comment cmt" > # We create a savepoint and mark it by the name of the requirement that caused< / span >
339: < span class = "ruby-comment cmt" > # the gem to be activated. If the activated gem ever conflicts, we are able to< / span >
340: < span class = "ruby-comment cmt" > # jump back to this point and try another version of the gem.< / span >
341: < span class = "ruby-identifier" > length< / span > = < span class = "ruby-ivar" > @stack< / span > .< span class = "ruby-identifier" > length< / span >
342: < span class = "ruby-ivar" > @stack< / span > < span class = "ruby-operator" > < < < / span > < span class = "ruby-identifier" > requirement< / span > .< span class = "ruby-identifier" > name< / span >
343: < span class = "ruby-identifier" > retval< / span > = < span class = "ruby-identifier" > catch< / span > (< span class = "ruby-identifier" > requirement< / span > .< span class = "ruby-identifier" > name< / span > ) < span class = "ruby-keyword kw" > do< / span >
344: < span class = "ruby-identifier" > resolve< / span > (< span class = "ruby-identifier" > reqs< / span > , < span class = "ruby-identifier" > activated< / span > )
345: < span class = "ruby-keyword kw" > end< / span >
346: < span class = "ruby-comment cmt" > # Since we're doing a lot of throw / catches. A push does not necessarily match< / span >
347: < span class = "ruby-comment cmt" > # up to a pop. So, we simply slice the stack back to what it was before the catch< / span >
348: < span class = "ruby-comment cmt" > # block.< / span >
349: < span class = "ruby-ivar" > @stack< / span > .< span class = "ruby-identifier" > slice!< / span > (< span class = "ruby-identifier" > length< / span > < span class = "ruby-operator" > ..< / span > < span class = "ruby-value" > 1< / span > )
350: < span class = "ruby-identifier" > retval< / span >
351: < span class = "ruby-keyword kw" > end< / span > < / pre >
< / div >
< / div >
< / div >
< div id = "search-method" class = "method-detail " >
< a name = "method-i-search" > < / a >
< div class = "method-heading" >
< span class = "method-name" > search< / span > < span
class="method-args">(dep)< / span >
< span class = "method-click-advice" > click to toggle source< / span >
< / div >
< div class = "method-description" >
< div class = "method-source-code"
id="search-source">
< pre >
2010-12-07 04:11:19 +01:00
< span class = "ruby-comment cmt" > # File lib/bundler/resolver.rb, line 357< / span >
357: < span class = "ruby-keyword kw" > def< / span > < span class = "ruby-identifier" > search< / span > (< span class = "ruby-identifier" > dep< / span > )
358: < span class = "ruby-keyword kw" > if< / span > < span class = "ruby-identifier" > base< / span > = < span class = "ruby-ivar" > @base< / span > [< span class = "ruby-identifier" > dep< / span > .< span class = "ruby-identifier" > name< / span > ] < span class = "ruby-keyword kw" > and< / span > < span class = "ruby-identifier" > base< / span > .< span class = "ruby-identifier" > any?< / span >
359: < span class = "ruby-identifier" > d< / span > = < span class = "ruby-constant" > Gem< / span > < span class = "ruby-operator" > ::< / span > < span class = "ruby-constant" > Dependency< / span > .< span class = "ruby-identifier" > new< / span > (< span class = "ruby-identifier" > base< / span > .< span class = "ruby-identifier" > first< / span > .< span class = "ruby-identifier" > name< / span > , *[< span class = "ruby-identifier" > dep< / span > .< span class = "ruby-identifier" > requirement< / span > .< span class = "ruby-identifier" > as_list< / span > , < span class = "ruby-identifier" > base< / span > .< span class = "ruby-identifier" > first< / span > .< span class = "ruby-identifier" > version< / span > ].< span class = "ruby-identifier" > flatten< / span > )
360: < span class = "ruby-keyword kw" > else< / span >
361: < span class = "ruby-identifier" > d< / span > = < span class = "ruby-identifier" > dep< / span > .< span class = "ruby-identifier" > dep< / span >
362: < span class = "ruby-keyword kw" > end< / span >
363: < span class = "ruby-identifier" > index< / span > = < span class = "ruby-ivar" > @source_requirements< / span > [< span class = "ruby-identifier" > d< / span > .< span class = "ruby-identifier" > name< / span > ] < span class = "ruby-operator" > ||< / span > < span class = "ruby-ivar" > @index< / span >
364: < span class = "ruby-identifier" > results< / span > = < span class = "ruby-identifier" > index< / span > .< span class = "ruby-identifier" > search_for_all_platforms< / span > (< span class = "ruby-identifier" > d< / span > , < span class = "ruby-ivar" > @base< / span > [< span class = "ruby-identifier" > d< / span > .< span class = "ruby-identifier" > name< / span > ])
365:
366: < span class = "ruby-keyword kw" > if< / span > < span class = "ruby-identifier" > results< / span > .< span class = "ruby-identifier" > any?< / span >
367: < span class = "ruby-identifier" > version< / span > = < span class = "ruby-identifier" > results< / span > .< span class = "ruby-identifier" > first< / span > .< span class = "ruby-identifier" > version< / span >
368: < span class = "ruby-identifier" > nested< / span > = [[]]
369: < span class = "ruby-identifier" > results< / span > .< span class = "ruby-identifier" > each< / span > < span class = "ruby-keyword kw" > do< / span > < span class = "ruby-operator" > |< / span > < span class = "ruby-identifier" > spec< / span > < span class = "ruby-operator" > |< / span >
370: < span class = "ruby-keyword kw" > if< / span > < span class = "ruby-identifier" > spec< / span > .< span class = "ruby-identifier" > version< / span > < span class = "ruby-operator" > !=< / span > < span class = "ruby-identifier" > version< / span >
371: < span class = "ruby-identifier" > nested< / span > < span class = "ruby-operator" > < < < / span > []
372: < span class = "ruby-identifier" > version< / span > = < span class = "ruby-identifier" > spec< / span > .< span class = "ruby-identifier" > version< / span >
373: < span class = "ruby-keyword kw" > end< / span >
374: < span class = "ruby-identifier" > nested< / span > .< span class = "ruby-identifier" > last< / span > < span class = "ruby-operator" > < < < / span > < span class = "ruby-identifier" > spec< / span >
375: < span class = "ruby-keyword kw" > end< / span >
376: < span class = "ruby-identifier" > nested< / span > .< span class = "ruby-identifier" > map< / span > { < span class = "ruby-operator" > |< / span > < span class = "ruby-identifier" > a< / span > < span class = "ruby-operator" > |< / span > < span class = "ruby-constant" > SpecGroup< / span > .< span class = "ruby-identifier" > new< / span > (< span class = "ruby-identifier" > a< / span > ) }.< span class = "ruby-identifier" > select< / span > { < span class = "ruby-operator" > |< / span > < span class = "ruby-identifier" > sg< / span > < span class = "ruby-operator" > |< / span > < span class = "ruby-identifier" > sg< / span > .< span class = "ruby-identifier" > for?< / span > (< span class = "ruby-identifier" > dep< / span > .< span class = "ruby-identifier" > __platform< / span > ) }
377: < span class = "ruby-keyword kw" > else< / span >
378: []
379: < span class = "ruby-keyword kw" > end< / span >
380: < span class = "ruby-keyword kw" > end< / span > < / pre >
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< / div >
< / div >
< / div >
< div id = "start-method" class = "method-detail " >
< a name = "method-i-start" > < / a >
< div class = "method-heading" >
< span class = "method-name" > start< / span > < span
class="method-args">(reqs)< / span >
< span class = "method-click-advice" > click to toggle source< / span >
< / div >
< div class = "method-description" >
< div class = "method-source-code"
id="start-source">
< pre >
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< span class = "ruby-comment cmt" > # File lib/bundler/resolver.rb, line 157< / span >
157: < span class = "ruby-keyword kw" > def< / span > < span class = "ruby-identifier" > start< / span > (< span class = "ruby-identifier" > reqs< / span > )
158: < span class = "ruby-identifier" > activated< / span > = {}
159:
160: < span class = "ruby-identifier" > resolve< / span > (< span class = "ruby-identifier" > reqs< / span > , < span class = "ruby-identifier" > activated< / span > )
161: < span class = "ruby-keyword kw" > end< / span > < / pre >
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< / div >
< / div >
< / div >
< div id = "successify-method" class = "method-detail " >
< a name = "method-i-successify" > < / a >
< div class = "method-heading" >
< span class = "method-name" > successify< / span > < span
class="method-args">(activated)< / span >
< span class = "method-click-advice" > click to toggle source< / span >
< / div >
< div class = "method-description" >
< div class = "method-source-code"
id="successify-source">
< pre >
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< span class = "ruby-comment cmt" > # File lib/bundler/resolver.rb, line 153< / span >
153: < span class = "ruby-keyword kw" > def< / span > < span class = "ruby-identifier" > successify< / span > (< span class = "ruby-identifier" > activated< / span > )
154: < span class = "ruby-identifier" > activated< / span > .< span class = "ruby-identifier" > values< / span > .< span class = "ruby-identifier" > map< / span > { < span class = "ruby-operator" > |< / span > < span class = "ruby-identifier" > s< / span > < span class = "ruby-operator" > |< / span > < span class = "ruby-identifier" > s< / span > .< span class = "ruby-identifier" > to_specs< / span > }.< span class = "ruby-identifier" > flatten< / span > .< span class = "ruby-identifier" > compact< / span >
155: < span class = "ruby-keyword kw" > end< / span > < / pre >
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< / div >
< / div >
< / div >
< div id = "version-conflict-method" class = "method-detail " >
< a name = "method-i-version_conflict" > < / a >
< div class = "method-heading" >
< span class = "method-name" > version_conflict< / span > < span
class="method-args">()< / span >
< span class = "method-click-advice" > click to toggle source< / span >
< / div >
< div class = "method-description" >
< div class = "method-source-code"
id="version-conflict-source">
< pre >
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< span class = "ruby-comment cmt" > # File lib/bundler/resolver.rb, line 390< / span >
390: < span class = "ruby-keyword kw" > def< / span > < span class = "ruby-identifier" > version_conflict< / span >
391: < span class = "ruby-constant" > VersionConflict< / span > .< span class = "ruby-identifier" > new< / span > (< span class = "ruby-identifier" > errors< / span > .< span class = "ruby-identifier" > keys< / span > , < span class = "ruby-identifier" > error_message< / span > )
392: < span class = "ruby-keyword kw" > end< / span > < / pre >
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< / div >
< / div >
< / div >
< / div >
< / div >
< div id = "rdoc-debugging-section-dump" class = "debugging-section" >
< p > Disabled; run with --debug to generate this.< / p >
< / div >
< div id = "validator-badges" >
< p > < small > < a href = "http://validator.w3.org/check/referer" > [Validate]< / a > < / small > < / p >
< p > < small > Generated with the < a href = "http://deveiate.org/projects/Darkfish-Rdoc/" > Darkfish
Rdoc Generator< / a > 1.1.6< / small > .< / p >
< / div >
< / body >
< / html >
