зеркало из https://github.com/github/ruby.git
113 строки
2.7 KiB
Ruby
113 строки
2.7 KiB
Ruby
# vcs
|
|
|
|
require 'time'
|
|
|
|
ENV.delete('PWD')
|
|
|
|
unless File.respond_to? :realpath
|
|
require 'pathname'
|
|
def File.realpath(arg)
|
|
Pathname(arg).realpath.to_s
|
|
end
|
|
end
|
|
|
|
class VCS
|
|
class NotFoundError < RuntimeError; end
|
|
|
|
@@dirs = []
|
|
def self.register(dir)
|
|
@@dirs << [dir, self]
|
|
end
|
|
|
|
def self.detect(path)
|
|
@@dirs.each do |dir, klass|
|
|
return klass.new(path) if File.directory?(File.join(path, dir))
|
|
prev = path
|
|
loop {
|
|
curr = File.realpath(File.join(prev, '..'))
|
|
break if curr == prev # stop at the root directory
|
|
return klass.new(path) if File.directory?(File.join(curr, dir))
|
|
prev = curr
|
|
}
|
|
end
|
|
raise VCS::NotFoundError, "does not seem to be under a vcs: #{path}"
|
|
end
|
|
|
|
def initialize(path)
|
|
@srcdir = path
|
|
super()
|
|
end
|
|
|
|
# return a pair of strings, the last revision and the last revision in which
|
|
# +path+ was modified.
|
|
def get_revisions(path)
|
|
path = relative_to(path)
|
|
last, changed, modified, *rest = Dir.chdir(@srcdir) {self.class.get_revisions(path)}
|
|
last or raise VCS::NotFoundError, "last revision not found"
|
|
changed or raise VCS::NotFoundError, "changed revision not found"
|
|
modified &&= Time.parse(modified)
|
|
return last, changed, modified, *rest
|
|
end
|
|
|
|
def relative_to(path)
|
|
if path
|
|
srcdir = File.realpath(@srcdir)
|
|
path = File.realpath(path)
|
|
list1 = srcdir.split(%r{/})
|
|
list2 = path.split(%r{/})
|
|
while !list1.empty? && !list2.empty? && list1.first == list2.first
|
|
list1.shift
|
|
list2.shift
|
|
end
|
|
if list1.empty? && list2.empty?
|
|
"."
|
|
else
|
|
([".."] * list1.length + list2).join("/")
|
|
end
|
|
else
|
|
'.'
|
|
end
|
|
end
|
|
|
|
class SVN < self
|
|
register(".svn")
|
|
|
|
def self.get_revisions(path)
|
|
begin
|
|
nulldevice = %w[/dev/null NUL NIL: NL:].find {|dev| File.exist?(dev)}
|
|
if nulldevice
|
|
save_stderr = STDERR.dup
|
|
STDERR.reopen nulldevice, 'w'
|
|
end
|
|
info_xml = `svn info --xml "#{path}"`
|
|
ensure
|
|
if save_stderr
|
|
STDERR.reopen save_stderr
|
|
save_stderr.close
|
|
end
|
|
end
|
|
_, last, _, changed, _ = info_xml.split(/revision="(\d+)"/)
|
|
modified = info_xml[/<date>([^<>]*)/, 1]
|
|
[last, changed, modified]
|
|
end
|
|
end
|
|
|
|
class GIT < self
|
|
register(".git")
|
|
|
|
def self.get_revisions(path)
|
|
logcmd = %Q[git log -n1 --grep="^ *git-svn-id: .*@[0-9][0-9]* "]
|
|
idpat = /git-svn-id: .*?@(\d+) \S+\Z/
|
|
last = `#{logcmd}`[idpat, 1]
|
|
if path
|
|
log = `#{logcmd} "#{path}"`
|
|
changed = log[idpat, 1]
|
|
modified = `git log --format=%ai -- #{path}`
|
|
else
|
|
changed = last
|
|
end
|
|
[last, changed, modified]
|
|
end
|
|
end
|
|
end
|