tag_version

#! /usr/bin/ruby

require 'xml'

$pom_files = %w<pom.xml model/pom.xml webapp/pom.xml>

def find_version_tag(doc)
    tag = doc.find_first('/m:project/m:version', "m:#{doc.root.namespaces.default.href}")
    tag = doc.find_first('/m:project/m:parent/m:version', "m:#{doc.root.namespaces.default.href}") \
        unless tag
    tag
end

def set_version(file, version)
    doc = XML::Parser.file(file).parse
    find_version_tag(doc).content = version
    doc.save(file)
end

def set_version_all(version)
    $pom_files.each do |file|
        set_version file, version
    end
end

def git(*args)
    system "git",*args or exit $?.exitstatus
end

doc = XML::Parser.file('pom.xml').parse

p doc.root.namespaces.default.prefix
version_tag = find_version_tag(doc)

version = version_tag.content
release_version = version.sub(/-SNAPSHOT$/, '')
next_version = release_version.split(".").map{|v|v.to_i}
next_version[-1] += 1
next_version = next_version.join(".")+"-SNAPSHOT"

puts "Current: #{version}"
puts "Release: #{release_version}"
puts "Next:    #{next_version}"

set_version_all release_version

tag = "v#{release_version}"
git "add",*$pom_files
git "commit","-m",tag
git "tag",tag

set_version_all next_version
git "add",*$pom_files
git "commit","-m","Move to v#{next_version}"
git "push"