mirror of
https://github.com/ruby/ruby.git
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124 lines
3.2 KiB
Ruby
Executable file
124 lines
3.2 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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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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@limit = 20
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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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new_vcs = proc do |path|
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begin
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vcs = VCS.detect(path, 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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end
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nil
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end
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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 vcs
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new_vcs[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("--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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if vcs
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vcs.set_options(vcs_options) # options after --srcdir
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else
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new_vcs["."]
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end
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}
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exit unless vcs
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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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short = vcs.short_revision(last)
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if /[^\x00-\x7f]/ =~ title and title.respond_to?(:force_encoding)
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title = title.dup.force_encoding("US-ASCII")
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end
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[
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"#define RUBY_REVISION #{short.inspect}",
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("#define RUBY_FULL_REVISION #{last.inspect}" unless short == last),
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if branch
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e = '..'
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limit = @limit
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name = branch.sub(/\A(.{#{limit-e.size}}).{#{e.size+1},}/o) {$1+e}
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name = name.dump.sub(/\\#/, '#')
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"#define RUBY_BRANCH_NAME #{name}"
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end,
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if title
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title = title.dump.sub(/\\#/, '#')
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"#define RUBY_LAST_COMMIT_TITLE #{title}"
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end,
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if modified
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modified.utc.strftime('#define RUBY_RELEASE_DATETIME "%FT%TZ"')
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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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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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