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8e2c70af14
When `--suppress_not_found` option is given, no revision information is available. And remove extraneous newline, when result is empty or ends with a newline.
101 lines
2.6 KiB
Ruby
Executable file
101 lines
2.6 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('../lib/vcs', __FILE__)
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require File.expand_path('../lib/output', __FILE__)
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Program = $0
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@format = nil
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def self.format=(format)
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if @format and @format != format
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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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@format = format
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end
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@suppress_not_found = false
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@limit = 20
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@output = Output.new
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time_format = '%Y-%m-%dT%H:%M:%S%z'
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vcs = nil
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OptionParser.new {|opts|
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opts.banner << " paths..."
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vcs_options = VCS.define_options(opts)
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opts.new {@output.def_options(opts)}
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srcdir = nil
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opts.new
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opts.on("--srcdir=PATH", "use PATH as source directory") do |path|
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abort "#{File.basename(Program)}: srcdir is already set" if srcdir
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srcdir = path
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@output.vpath.add(srcdir)
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end
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opts.on("--changed", "changed rev") do
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self.format = :changed
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end
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opts.on("--revision.h", "RUBY_REVISION macro") do
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self.format = :revision_h
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end
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opts.on("--doxygen", "Doxygen format") do
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self.format = :doxygen
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end
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opts.on("--modified[=FORMAT]", "modified time") do |fmt|
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self.format = :modified
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time_format = fmt if fmt
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end
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opts.on("--limit=NUM", "limit branch name length (#@limit)", Integer) do |n|
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@limit = n
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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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opts.order! rescue abort "#{File.basename(Program)}: #{$!}\n#{opts}"
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begin
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vcs = VCS.detect(srcdir || ".", vcs_options, opts.new)
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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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opts.remove
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(vcs = VCS::Null.new(nil)).set_options(vcs_options)
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end
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}
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formatter =
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case @format
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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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vcs.revision_header(last, modified, modified, branch, title, limit: @limit).join("\n")
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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(time_format)
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}
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else
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raise "unknown output format `#{@format}'"
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end
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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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data = formatter[*vcs.get_revisions(arg)]
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data.sub!(/(?<!\A|\n)\z/, "\n")
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@output.write(data, overwrite: true)
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rescue => 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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