ruby/tool/change_maker.rb

48 строки
1.1 KiB
Ruby
Executable File

#! ./miniruby
# Used by "make change" to generate a list of files for a Changelog entry.
# Run it via "make change" in the Ruby root directory.
$:.unshift(File.expand_path("../../lib", __FILE__))
require File.expand_path("../vcs", __FILE__)
def diff2index(cmd, *argv)
lines = []
path = nil
output = `#{cmd} #{argv.join(" ")}`
if defined? Encoding::BINARY
output.force_encoding Encoding::BINARY
end
output.each_line do |line|
case line
when /^Index: (\S*)/, /^diff --git [a-z]\/(\S*) [a-z]\/\1/
path = $1
when /^@@\s*-[,\d]+ +\+(\d+)[,\d]*\s*@@(?: +([A-Za-z_][A-Za-z_0-9 ]*[A-Za-z_0-9]))?/
line = $1.to_i
ent = "\t* #{path}"
ent << " (#{$2})" if $2
lines << "#{ent}:"
end
end
lines.uniq!
lines.empty? ? nil : lines
end
vcs = begin
VCS.detect(".")
rescue VCS::NotFoundError
nil
end
case vcs
when VCS::SVN
cmd = "svn diff --diff-cmd=diff -x-pU0"
change = diff2index(cmd, ARGV)
when VCS::GIT
cmd = "git diff -U0"
change = diff2index(cmd, ARGV) || diff2index(cmd, "--cached", ARGV)
else
abort "does not seem to be under a vcs"
end
puts change if change