Two new options for rsync provider

- rsync_no_timeout=true/false # disable --timeout option
- rsync_timeout=n # set --timeout=n
related to issue #121

worker/provider.go

@@ -140,6 +140,8 @@ func newMirrorProvider(mirror mirrorConfig, cfg *Config) mirrorProvider {
 			password:          mirror.Password,
 			excludeFile:       mirror.ExcludeFile,
 			extraOptions:      mirror.RsyncOptions,
+			rsyncNeverTimeout: mirror.RsyncNoTimeo,
+			rsyncTimeoutValue: mirror.RsyncTimeout,
 			overriddenOptions: mirror.RsyncOverride,
 			rsyncEnv:          mirror.Env,
 			workingDir:        mirrorDir,
@@ -159,22 +161,24 @@ func newMirrorProvider(mirror mirrorConfig, cfg *Config) mirrorProvider {
 		provider = p
 	case provTwoStageRsync:
 		rc := twoStageRsyncConfig{
-			name:          mirror.Name,
-			stage1Profile: mirror.Stage1Profile,
-			upstreamURL:   mirror.Upstream,
-			rsyncCmd:      mirror.Command,
-			username:      mirror.Username,
-			password:      mirror.Password,
-			excludeFile:   mirror.ExcludeFile,
-			extraOptions:  mirror.RsyncOptions,
-			rsyncEnv:      mirror.Env,
-			workingDir:    mirrorDir,
-			logDir:        logDir,
-			logFile:       filepath.Join(logDir, "latest.log"),
-			useIPv6:       mirror.UseIPv6,
-			interval:      time.Duration(mirror.Interval) * time.Minute,
-			retry:         mirror.Retry,
-			timeout:       time.Duration(mirror.Timeout) * time.Second,
+			name:              mirror.Name,
+			stage1Profile:     mirror.Stage1Profile,
+			upstreamURL:       mirror.Upstream,
+			rsyncCmd:          mirror.Command,
+			username:          mirror.Username,
+			password:          mirror.Password,
+			excludeFile:       mirror.ExcludeFile,
+			extraOptions:      mirror.RsyncOptions,
+			rsyncNeverTimeout: mirror.RsyncNoTimeo,
+			rsyncTimeoutValue: mirror.RsyncTimeout,
+			rsyncEnv:          mirror.Env,
+			workingDir:        mirrorDir,
+			logDir:            logDir,
+			logFile:           filepath.Join(logDir, "latest.log"),
+			useIPv6:           mirror.UseIPv6,
+			interval:          time.Duration(mirror.Interval) * time.Minute,
+			retry:             mirror.Retry,
+			timeout:           time.Duration(mirror.Timeout) * time.Second,
 		}
 		p, err := newTwoStageRsyncProvider(rc)
 		if err != nil {