зеркало из https://github.com/github/ruby.git
99 строки
2.4 KiB
Ruby
Executable File
99 строки
2.4 KiB
Ruby
Executable File
#!/usr/bin/env ruby
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# Gets the most recent revision of a file in a VCS-agnostic way.
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# Used by Doxygen, Makefiles and merger.rb.
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require 'optparse'
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# this file run with BASERUBY, which may be older than 1.9, so no
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# require_relative
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require File.expand_path('../vcs', __FILE__)
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Program = $0
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@output = nil
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def self.output=(output)
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if @output and @output != output
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raise "you can specify only one of --changed, --revision.h and --doxygen"
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end
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@output = output
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end
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@suppress_not_found = false
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format = '%Y-%m-%dT%H:%M:%S%z'
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srcdir = nil
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parser = OptionParser.new {|opts|
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opts.on("--srcdir=PATH", "use PATH as source directory") do |path|
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srcdir = path
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end
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opts.on("--changed", "changed rev") do
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self.output = :changed
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end
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opts.on("--revision.h", "RUBY_REVISION macro") do
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self.output = :revision_h
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end
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opts.on("--doxygen", "Doxygen format") do
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self.output = :doxygen
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end
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opts.on("--modified[=FORMAT]", "modified time") do |fmt|
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self.output = :modified
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format = fmt if fmt
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end
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opts.on("-q", "--suppress_not_found") do
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@suppress_not_found = true
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end
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}
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parser.parse! rescue abort "#{File.basename(Program)}: #{$!}\n#{parser}"
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@output =
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case @output
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when :changed, nil
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Proc.new {|last, changed|
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changed
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}
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when :revision_h
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Proc.new {|last, changed, modified, branch, title|
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[
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"#define RUBY_REVISION \"#{changed[0...10]}\"",
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if branch
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e = '..'
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limit = 16
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name = branch.sub(/\A(.{#{limit-e.size}}).{#{e.size+1},}/o) {$1+e}
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"#define RUBY_BRANCH_NAME #{name.dump}"
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end,
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if title
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"#define RUBY_LAST_COMMIT_TITLE #{title.dump}"
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end,
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].compact
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}
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when :doxygen
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Proc.new {|last, changed|
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"r#{changed}/r#{last}"
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}
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when :modified
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Proc.new {|last, changed, modified|
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modified.strftime(format)
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}
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else
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raise "unknown output format `#{@output}'"
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end
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srcdir ||= File.dirname(File.dirname(Program))
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begin
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vcs = VCS.detect(srcdir)
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rescue VCS::NotFoundError => e
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abort "#{File.basename(Program)}: #{e.message}" unless @suppress_not_found
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else
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ok = true
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(ARGV.empty? ? [nil] : ARGV).each do |arg|
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begin
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puts @output[*vcs.get_revisions(arg)]
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rescue => e
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next if @suppress_not_found and VCS::NotFoundError === e
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warn "#{File.basename(Program)}: #{e.message}"
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ok = false
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end
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end
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exit ok
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end
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