remote.rb in zold-0.10.8

- old
+ new

@@ -17,10 +17,11 @@
 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
 require 'slop'
+require 'semantic'
 require 'rainbow'
 require 'net/http'
 require 'json'
 require 'time'
 require_relative 'args'
@@ -59,10 +60,13 @@
       Check each registered remote node for availability
 Available options:"
         o.bool '--ignore-score-weakness',
           'Don\'t complain when their score is too weak',
           default: false
+        o.bool '--reboot',
+          'Exit if any node reports version higher than we have',
+          default: false
         o.bool '--help', 'Print instructions'
       end
       mine = Args.new(opts, @log).take || return
       command = mine[0]
       case command
@@ -123,9 +127,13 @@
         score = Score.parse_json(json['score'])
         r.assert_valid_score(score)
         raise "Score too weak: #{score.strength}" if score.strength < Score::STRENGTH && !opts['ignore-score-weakness']
         raise "Masqueraded as #{score.host}:#{score.port}" if r.host != score.host || r.port != score.port
         @remotes.rescore(score.host, score.port, score.value)
+        if opts['reboot'] && Semantic::Version.new(VERSION) < Semantic::Version.new(json['version'])
+          @log.info("#{r}: their version #{json['version']} is higher than mine #{VERSION}, reboot!")
+          exit(0)
+        end
         if deep
           json['all'].each do |s|
             add(s['host'], s['port']) unless @remotes.exists?(s['host'], s['port'])
           end
         end