misc: Fix typos and spelling errors

engine/resources/aws_ec2.go

@@ -193,7 +193,7 @@ type AwsEc2Res struct {
 
 	// UserData is used to run bash and cloud-init commands on first launch.
 	// See http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/user-data.html
-	// for documantation and examples.
+	// for documentation and examples.
 	UserData string `lang:"userdata" yaml:"userdata"`
 
 	client *ec2.EC2 // client session for AWS API calls

engine/resources/cron.go

@@ -142,7 +142,7 @@ type CronRes struct {
 	WakeSystem bool `lang:"wakesystem" yaml:"wakesystem"`
 
 	// RemainAfterElapse, if true, means an elapsed timer will stay loaded,
-	// and its state remains queriable. If false, an elapsed timer unit that
+	// and its state remains queryable. If false, an elapsed timer unit that
 	// cannot elapse anymore is unloaded. It defaults to true.
 	RemainAfterElapse bool `lang:"remainafterelapse" yaml:"remainafterelapse"`
 
@@ -271,7 +271,7 @@ func (obj *CronRes) Watch(ctx context.Context) error {
 	//args = append(args, "eavesdrop='true'") // XXX: not allowed anymore?
 	args = append(args, fmt.Sprintf("arg2='%s.timer'", obj.Name()))
 
-	// match dbus messsages
+	// match dbus messages
 	if call := bus.BusObject().Call(engineUtil.DBusAddMatch, 0, strings.Join(args, ",")); call.Err != nil {
 		return call.Err
 	}

engine/resources/dhcp.go

@@ -1863,7 +1863,7 @@ func (obj *DHCPRangeRes) handler4(data *HostData) (func(*dhcpv4.DHCPv4, *dhcpv4.
 
 	// FIXME: Run this somewhere for now, eventually it should get scheduled
 	// to run in the returned duration of time. This way, it would clean old
-	// peristed entries when they're stale, not when a new request comes in.
+	// persisted entries when they're stale, not when a new request comes in.
 	if _, err := obj.leaseClean(); err != nil {
 		return nil, errwrap.Wrapf(err, "clean error")
 	}

engine/resources/docker_container.go

@@ -407,7 +407,7 @@ func (obj *DockerContainerRes) Cmp(r engine.Res) error {
 		return errwrap.Wrapf(err, "the Cmd field differs")
 	}
 	if err := util.SortedStrSliceCompare(obj.Env, res.Env); err != nil {
-		return errwrap.Wrapf(err, "tne Env field differs")
+		return errwrap.Wrapf(err, "the Env field differs")
 	}
 	if len(obj.Ports) != len(res.Ports) {
 		return fmt.Errorf("the Ports length differs")
@@ -461,7 +461,7 @@ func (obj *DockerContainerRes) AutoEdges() (engine.AutoEdge, error) {
 	}, nil
 }
 
-// Next returnes the next automatic edge.
+// Next returns the next automatic edge.
 func (obj *DockerContainerResAutoEdges) Next() []engine.ResUID {
 	if len(obj.UIDs) == 0 {
 		return nil

engine/resources/file.go

@@ -145,7 +145,7 @@ type FileRes struct {
 	// Source specifies the source contents for the file resource. It cannot
 	// be combined with the Content or Fragments parameters. It must be an
 	// absolute path, and it can point to a file or a directory. If it
-	// points to a file, then that will will be copied throuh directly. If
+	// points to a file, then that will will be copied through directly. If
 	// it points to a directory, then it will copy the directory "rsync
 	// style" onto the file destination. As a result, if this is a file,
 	// then the main file res must be a file, and if it is a directory, then
@@ -643,7 +643,7 @@ func (obj *FileRes) fileCheckApply(ctx context.Context, apply bool, src io.ReadS
 				return "", false, err
 			}
 			sha256sum = hex.EncodeToString(hash.Sum(nil))
-			// since we re-use this src handler below, it is
+			// since we reuse this src handler below, it is
 			// *critical* to seek to 0, or we'll copy nothing!
 			if n, err := src.Seek(0, 0); err != nil || n != 0 {
 				return sha256sum, false, err
@@ -673,7 +673,7 @@ func (obj *FileRes) fileCheckApply(ctx context.Context, apply bool, src io.ReadS
 	if err != nil {
 		return sha256sum, false, err
 	}
-	defer dstFile.Close() // TODO: is this redundant because of the earlier defered Close() ?
+	defer dstFile.Close() // TODO: is this redundant because of the earlier deferred Close() ?
 
 	if isFile { // set mode because it's a new file
 		if err := dstFile.Chmod(srcStat.Mode()); err != nil {

engine/resources/panic.go

@@ -46,7 +46,7 @@ func init() {
 // PanicRes is a no-op resource that does nothing as quietly as possible. One of
 // these will be added the graph if you use the panic function. (Even when it is
 // in a non-panic mode.) This is possibly the simplest resource that exists, and
-// in fact, everytime it is used, it will always have the same "name" value. It
+// in fact, every time it is used, it will always have the same "name" value. It
 // is only used so that there is a valid destination for the panic function.
 type PanicRes struct {
 	traits.Base // add the base methods without re-implementation

engine/resources/virt.go

@@ -853,7 +853,7 @@ func (obj *VirtRes) CheckApply(ctx context.Context, apply bool) (bool, error) {
 	}
 
 	// FIXME: is doing this early check (therefore twice total) a good idea?
-	// run additional pre-emptive attr change checks here for hotplug stuff!
+	// run additional preemptive attr change checks here for hotplug stuff!
 	if !obj.absent {
 		if c, err := obj.attrCheckApply(ctx, apply, dom); err != nil {
 			return false, errwrap.Wrapf(err, "early attrCheckApply failed")