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# Removes old version guards in ruby/spec.
# Run it from the ruby/spec repository root.
# The argument is the new minimum supported version.
def dedent(line)
if line.start_with?(" ")
line[2..-1]
else
line
end
end
def each_spec_file(&block)
Dir["*/**/*.rb"].each(&block)
end
def remove_guards(guard, keep)
each_spec_file do |file|
contents = File.binread(file)
if contents =~ guard
puts file
lines = contents.lines.to_a
while first = lines.find_index { |line| line =~ guard }
indent = lines[first][/^(\s*)/, 1].length
last = (first+1...lines.size).find { |i|
space = lines[i][/^(\s*)end$/, 1] and space.length == indent
}
raise file unless last
if keep
lines[first..last] = lines[first+1..last-1].map { |l| dedent(l) }
else
if first > 0 and lines[first-1] == "\n"
first -= 1
elsif lines[last+1] == "\n"
last += 1
end
lines[first..last] = []
end
end
File.binwrite file, lines.join
end
end
end
def search(regexp)
each_spec_file do |file|
contents = File.binread(file)
if contents =~ regexp
puts file
contents.each_line do |line|
if line =~ regexp
puts line
end
end
end
end
end
version = Regexp.escape(ARGV.fetch(0))
version += "(?:\\.0)?" if version.count(".") < 2
remove_guards(/ruby_version_is (["'])#{version}\1 do/, true)
remove_guards(/ruby_version_is (["'])[0-9.]*\1 *... *(["'])#{version}\2 do/, false)
remove_guards(/ruby_bug "#\d+", (["'])[0-9.]*\1 *... *(["'])#{version}\2 do/, true)
search(/(["'])#{version}\1/)
search(/^\s*#.+#{version}/)
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