Implement --ignore-checksum flag

Fixes #793 Fixes #863 Fixes #981

fs/config.go

@@ -83,6 +83,7 @@ var (
 	noGzip          = BoolP("no-gzip-encoding", "", false, "Don't set Accept-Encoding: gzip.")
 	maxDepth        = IntP("max-depth", "", -1, "If set limits the recursion depth to this.")
 	ignoreSize      = BoolP("ignore-size", "", false, "Ignore size when skipping use mod-time or checksum.")
+	ignoreChecksum  = BoolP("ignore-checksum", "", false, "Skip post copy check of checksums.")
 	noTraverse      = BoolP("no-traverse", "", false, "Don't traverse destination file system on copy.")
 	noUpdateModTime = BoolP("no-update-modtime", "", false, "Don't update destination mod-time if files identical.")
 	backupDir       = StringP("backup-dir", "", "", "Make backups into hierarchy based in DIR.")
@@ -207,6 +208,7 @@ type ConfigInfo struct {
 	NoGzip             bool // Disable compression
 	MaxDepth           int
 	IgnoreSize         bool
+	IgnoreChecksum     bool
 	NoTraverse         bool
 	NoUpdateModTime    bool
 	DataRateUnit       string
@@ -308,6 +310,7 @@ func LoadConfig() {
 	Config.NoGzip = *noGzip
 	Config.MaxDepth = *maxDepth
 	Config.IgnoreSize = *ignoreSize
+	Config.IgnoreChecksum = *ignoreChecksum
 	Config.NoTraverse = *noTraverse
 	Config.NoUpdateModTime = *noUpdateModTime
 	Config.BackupDir = *backupDir