70 lines
2.3 KiB
Ruby
70 lines
2.3 KiB
Ruby
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require 'rubygems'
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require 'rake'
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require 'set'
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require 'fileutils'
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require 'file_path_utils.rb'
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class FileSystemUtils
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constructor :file_wrapper
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# build up path list from input of one or more strings or arrays of (+/-) paths & globs
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def collect_paths(*paths)
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raw = [] # all paths and globs
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plus = Set.new # all paths to expand and add
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minus = Set.new # all paths to remove from plus set
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# assemble all globs and simple paths, reforming our glob notation to ruby globs
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paths.each do |paths_container|
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case (paths_container)
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when String then raw << (FilePathUtils::reform_glob(paths_container))
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when Array then paths_container.each {|path| raw << (FilePathUtils::reform_glob(path))}
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else raise "Don't know how to handle #{paths_container.class}"
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end
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end
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# iterate through each path and glob
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raw.each do |path|
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dirs = [] # container for only (expanded) paths
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# if a glob, expand it and slurp up all non-file paths
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if path.include?('*')
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# grab base directory only if globs are snug up to final path separator
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if (path =~ /\/\*+$/)
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dirs << FilePathUtils.extract_path(path)
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end
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# grab expanded sub-directory globs
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expanded = @file_wrapper.directory_listing( FilePathUtils.extract_path_no_aggregation_operators(path) )
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expanded.each do |entry|
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dirs << entry if @file_wrapper.directory?(entry)
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end
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# else just grab simple path
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# note: we could just run this through glob expansion but such an
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# approach doesn't handle a path not yet on disk)
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else
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dirs << FilePathUtils.extract_path_no_aggregation_operators(path)
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end
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# add dirs to the appropriate set based on path aggregation modifier if present
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FilePathUtils.add_path?(path) ? plus.merge(dirs) : minus.merge(dirs)
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end
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return (plus - minus).to_a.uniq
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end
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# given a file list, add to it or remove from it
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def revise_file_list(list, revisions)
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revisions.each do |revision|
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# include or exclude file or glob to file list
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file = FilePathUtils.extract_path_no_aggregation_operators( revision )
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FilePathUtils.add_path?(revision) ? list.include(file) : list.exclude(file)
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end
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end
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end
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