misc: Fix typos and spelling errors

engine/graph/autoedge/autoedge.go

@@ -56,7 +56,7 @@ func AutoEdge(graph *pgraph.Graph, debug bool, logf func(format string, v ...int
 		sorted = append(sorted, res)
 	}
 
-	for _, res := range sorted { // for each vertexes autoedges
+	for _, res := range sorted { // for each vertices autoedges
 		autoEdgeObj, e := res.AutoEdges()
 		if e != nil {
 			err = errwrap.Append(err, e) // collect all errors

engine/graph/autogroup/autogroup_test.go

@@ -301,7 +301,7 @@ Loop:
 
 	// check edges
 	for v1 := range g1.Adjacency() { // for each vertex in g1
-		v2 := m[v1] // lookup in map to get correspondance
+		v2 := m[v1] // lookup in map to get correspondence
 		// g1.Adjacency()[v1] corresponds to g2.Adjacency()[v2]
 		if e1, e2 := len(g1.Adjacency()[v1]), len(g2.Adjacency()[v2]); e1 != e2 {
 			r1 := v1.(engine.Res)

engine/graph/autogroup/base.go

@@ -134,7 +134,7 @@ func (ag *baseGrouper) VertexNext() (v1, v2 pgraph.Vertex, err error) {
 	return
 }
 
-// VertexCmp can be used in addition to an overridding implementation.
+// VertexCmp can be used in addition to an overriding implementation.
 func (ag *baseGrouper) VertexCmp(v1, v2 pgraph.Vertex) error {
 	if v1 == nil || v2 == nil {
 		return fmt.Errorf("the vertex is nil")

engine/graph/state.go

@@ -228,7 +228,7 @@ func (obj *State) Init() error {
 				if !ok {
 					continue
 				}
-				// pass in information on requestor...
+				// pass in information on requester...
 				if err := r1.GraphQueryAllowed(
 					engine.GraphQueryableOptionKind(res.Kind()),
 					engine.GraphQueryableOptionName(res.Name()),
@@ -243,7 +243,7 @@ func (obj *State) Init() error {
 					if !ok {
 						continue
 					}
-					// pass in information on requestor...
+					// pass in information on requester...
 					if err := r2.GraphQueryAllowed(
 						engine.GraphQueryableOptionKind(res.Kind()),
 						engine.GraphQueryableOptionName(res.Name()),

engine/metaparams.go

@@ -150,7 +150,7 @@ func (obj *MetaParams) Cmp(meta *MetaParams) error {
 	// XXX: add a one way cmp like we used to have ?
 	//if obj.Noop != meta.Noop {
 	//	// obj is the existing res, res is the *new* resource
-	//	// if we go from no-noop -> noop, we can re-use the obj
+	//	// if we go from no-noop -> noop, we can reuse the obj
 	//	// if we go from noop -> no-noop, we need to regenerate
 	//	if obj.Noop { // asymmetrical
 	//		return fmt.Errorf("values for Noop are different") // going from noop to no-noop!

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")

engine/util/mode.go

@@ -69,7 +69,7 @@ func modeIsValidWhat(what string) bool {
 	return len(what) == 0
 }
 
-// modeAssigned executes an assigment symbolic mode string (u=r). It clears out
+// modeAssigned executes an assignment symbolic mode string (u=r). It clears out
 // any bits for every subject in who and then assigns the specified modes in
 // what.
 func modeAssigned(who, what string, from os.FileMode) (os.FileMode, error) {
@@ -208,7 +208,7 @@ func modeSubtracted(who, what string, from os.FileMode) (os.FileMode, error) {
 }
 
 // modeValueFrom will return the bits requested for the mode in the correct
-// possitions for the specified subjects in who.
+// positions for the specified subjects in who.
 func modeValueFrom(who string, modeType uint32) os.FileMode {
 	i := uint32(0)
 	for _, w := range who {

engine/util/util.go

@@ -51,7 +51,7 @@ import (
 )
 
 const (
-	// DBusInterface is the dbus interface that contains genereal methods.
+	// DBusInterface is the dbus interface that contains general methods.
 	DBusInterface = "org.freedesktop.DBus"
 	// DBusAddMatch is the dbus method to receive a subset of dbus broadcast
 	// signals.
@@ -387,7 +387,7 @@ func GetGID(group string) (int, error) {
 	return -1, errwrap.Wrapf(err, "group lookup error (%s)", group)
 }
 
-// RestartUnit resarts the given dbus unit and waits for it to finish starting.
+// RestartUnit restarts the given dbus unit and waits for it to finish starting.
 func RestartUnit(ctx context.Context, conn *dbus.Conn, unit string) error {
 	return unitStateAction(ctx, conn, unit, DBusRestartUnit)
 }