initial

listversioned/listversioned.rb

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+#!/usr/bin/env ruby
+
+# $Id$
+# $URL$
+
+#
+# Copyright (c) 2007 Ward Wouts <ward@wouts.nl>
+#
+# Permission to use, copy, modify, and distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+#
+
+require 'net/https'
+require 'uri'
+require 'rexml/document'
+require 'date'
+require 'getoptlong'
+
+def usage
+	puts <<EOT
+Usage: #{$0.sub(/.*\//, "")} [options] -u <baseurl>
+
+-h, --help			show this message
+-u <baseurl>			set baseurl
+EOT
+	exit
+end
+
+def cmdline
+	options = Hash.new
+	begin
+		opts = GetoptLong.new(
+			[ "-h", "--help",		GetoptLong::NO_ARGUMENT ],
+			[ "-u",				GetoptLong::REQUIRED_ARGUMENT ]
+		)
+		opts.quiet=true
+
+		opts.each do |opt, arg|
+			options[opt] = arg
+		end
+
+	rescue
+		print "#{$!}\n"
+		usage
+	end
+	if options["-h"]
+		usage
+	end
+	return options
+end
+
+def fetch(uri_str, limit = 10)
+	# You should choose better exception.
+	raise ArgumentError, 'HTTP redirect too deep' if limit == 0
+
+	host = URI.parse(uri_str).host
+	path = URI.parse(uri_str).path
+	query = URI.parse(uri_str).query
+
+	Net::HTTP.start(host) {|http|
+		req = Net::HTTP::Get.new("#{path}?#{query}")
+		req.basic_auth @user, @pass
+		response = http.request(req)
+		case response
+		when Net::HTTPSuccess		then response
+		when Net::HTTPRedirection	then fetch(response['location'], limit - 1)
+		when Net::HTTPNotFound		then puts "404 Not Found #{uri_str}"; response.error!
+		when Net::HTTPUnauthorized	then puts "401 Authorization Required #{uri_str}"; response.error!
+		else
+			response.error!
+		end
+	}
+end
+
+def svnparse(url)
+	puts "\n#{url}"
+	begin
+		body = fetch("#{url}/.svn/entries").body
+	rescue
+	end
+	dirs = Array.new
+	xmldoc = REXML::Document.new(body)
+	xmldoc.elements.each("wc-entries/entry") {|item|
+		case item.attribute("kind").to_s
+		when "dir"		then
+			if item.attribute("name").to_s == ""
+				next
+			end
+			puts "#{item.attribute("name")}/"
+			dirs.push(item.attribute("name").to_s)
+		when "file"		then
+			puts "#{item.attribute("name")}	#{item.attribute("last-author")}	#{item.attribute("committed-date")}"
+		else
+			puts "	Strange kind #{item.attribute("kind")}"
+		end
+	}
+	dirs.each{|dir|
+		svnparse("#{url}/#{dir}")
+	}
+end
+
+options = cmdline
+if options["-u"].nil?
+	usage
+end
+
+mode=nil
+
+# first test for subversion entries
+if mode.nil?
+	begin
+		body = fetch("#{options["-u"]}/.svn/entries").body
+		mode="subversion"
+	rescue
+	end
+end
+
+# then test for CVS entries
+if mode.nil?
+	begin
+		body = fetch("#{options["-u"]}/CVS/Entries").body
+		mode="cvs"
+	rescue
+	end
+end
+
+if mode.nil?
+	puts "Couldn't determine versioning information"
+else
+	case mode
+	when "subversion"	then svnparse(options["-u"])
+	when "cvs"		then cvsparse(options["-u"])
+	end
+end