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|
#!/usr/bin/env ruby
# Gets the most recent revision of a file in a VCS-agnostic way.
# Used by Doxygen, Makefiles and merger.rb.
require 'optparse'
# this file run with BASERUBY, which may be older than 1.9, so no
# require_relative
require File.expand_path('../lib/vcs', __FILE__)
require File.expand_path('../lib/output', __FILE__)
Program = $0
@format = nil
def self.format=(format)
if @format and @format != format
raise "you can specify only one of --changed, --revision.h and --doxygen"
end
@format = format
end
@suppress_not_found = false
@limit = 20
@output = Output.new
time_format = '%Y-%m-%dT%H:%M:%S%z'
vcs = nil
create_only = false
OptionParser.new {|opts|
opts.banner << " paths..."
vcs_options = VCS.define_options(opts)
opts.new {@output.def_options(opts)}
srcdir = nil
opts.new
opts.on("--srcdir=PATH", "use PATH as source directory") do |path|
abort "#{File.basename(Program)}: srcdir is already set" if srcdir
srcdir = path
@output.vpath.add(srcdir)
end
opts.on("--changed", "changed rev") do
self.format = :changed
end
opts.on("--revision.h", "RUBY_REVISION macro") do
self.format = :revision_h
end
opts.on("--doxygen", "Doxygen format") do
self.format = :doxygen
end
opts.on("--modified[=FORMAT]", "modified time") do |fmt|
self.format = :modified
time_format = fmt if fmt
end
opts.on("--limit=NUM", "limit branch name length (#@limit)", Integer) do |n|
@limit = n
end
opts.on("-q", "--suppress_not_found") do
@suppress_not_found = true
end
opts.order! rescue abort "#{File.basename(Program)}: #{$!}\n#{opts}"
begin
vcs = VCS.detect(srcdir || ".", vcs_options, opts.new)
rescue VCS::NotFoundError => e
abort "#{File.basename(Program)}: #{e.message}" unless @suppress_not_found
opts.remove
(vcs = VCS::Null.new(nil)).set_options(vcs_options)
if @format == :revision_h
create_only = true # don't overwrite existing revision.h when .git doesn't exist
end
end
}
formatter =
case @format
when :changed, nil
Proc.new {|last, changed|
changed || ""
}
when :revision_h
Proc.new {|last, changed, modified, branch, title|
vcs.revision_header(last, modified, modified, branch, title, limit: @limit).join("\n")
}
when :doxygen
Proc.new {|last, changed|
"r#{changed}/r#{last}"
}
when :modified
Proc.new {|last, changed, modified|
modified.strftime(time_format)
}
else
raise "unknown output format `#{@format}'"
end
ok = true
(ARGV.empty? ? [nil] : ARGV).each do |arg|
begin
data = formatter[*vcs.get_revisions(arg)]
data.sub!(/(?<!\A|\n)\z/, "\n")
@output.write(data, overwrite: true, create_only: create_only)
rescue => e
warn "#{File.basename(Program)}: #{e.message}"
ok = false
end
end
exit ok
|
