Update version - v4

This is a breaking change, so we should bump from v3 to v4.

Makefile

@@ -1,4 +1,4 @@
-PROJECT := github.com/juju/worker/v3
+PROJECT := github.com/juju/worker/v4
 
 .PHONY: check-licence check-go check
 

catacomb/catacomb.go

@@ -14,7 +14,7 @@ import (
 	"github.com/juju/errors"
 	"gopkg.in/tomb.v2"
 
-	"github.com/juju/worker/v3"
+	"github.com/juju/worker/v4"
 )
 
 // Catacomb is a variant of tomb.Tomb with its own internal goroutine, designed

catacomb/catacomb_test.go

@@ -13,8 +13,8 @@ import (
 	gc "gopkg.in/check.v1"
 	"gopkg.in/tomb.v2"
 
-	"github.com/juju/worker/v3"
-	"github.com/juju/worker/v3/catacomb"
+	"github.com/juju/worker/v4"
+	"github.com/juju/worker/v4/catacomb"
 )
 
 type CatacombSuite struct {

catacomb/fixture_test.go

@@ -11,8 +11,8 @@ import (
 	gc "gopkg.in/check.v1"
 	"gopkg.in/tomb.v2"
 
-	"github.com/juju/worker/v3"
-	"github.com/juju/worker/v3/catacomb"
+	"github.com/juju/worker/v4"
+	"github.com/juju/worker/v4/catacomb"
 )
 
 type cleaner interface {

dependency/engine.go

@@ -14,7 +14,7 @@ import (
 	"github.com/juju/errors"
 	"gopkg.in/tomb.v2"
 
-	"github.com/juju/worker/v3"
+	"github.com/juju/worker/v4"
 )
 
 // Logger represents the various logging methods used by the runner.

dependency/engine_test.go

@@ -15,9 +15,9 @@ import (
 	jc "github.com/juju/testing/checkers"
 	gc "gopkg.in/check.v1"
 
-	"github.com/juju/worker/v3"
-	"github.com/juju/worker/v3/dependency"
-	"github.com/juju/worker/v3/workertest"
+	"github.com/juju/worker/v4"
+	"github.com/juju/worker/v4/dependency"
+	"github.com/juju/worker/v4/workertest"
 )
 
 type EngineSuite struct {

dependency/interface.go

@@ -8,7 +8,7 @@ import (
 
 	"github.com/juju/errors"
 
-	"github.com/juju/worker/v3"
+	"github.com/juju/worker/v4"
 )
 
 // Manifold defines the behaviour of a node in an Engine's dependency graph. It's

dependency/reporter_test.go

@@ -11,8 +11,8 @@ import (
 	jc "github.com/juju/testing/checkers"
 	gc "gopkg.in/check.v1"
 
-	"github.com/juju/worker/v3/dependency"
-	"github.com/juju/worker/v3/workertest"
+	"github.com/juju/worker/v4/dependency"
+	"github.com/juju/worker/v4/workertest"
 )
 
 type ReportSuite struct {

dependency/self_test.go

@@ -11,8 +11,8 @@ import (
 	jc "github.com/juju/testing/checkers"
 	gc "gopkg.in/check.v1"
 
-	"github.com/juju/worker/v3/dependency"
-	"github.com/juju/worker/v3/workertest"
+	"github.com/juju/worker/v4/dependency"
+	"github.com/juju/worker/v4/workertest"
 )
 
 type SelfSuite struct {

dependency/snapshot.go

@@ -9,7 +9,7 @@ import (
 
 	"github.com/juju/errors"
 
-	"github.com/juju/worker/v3"
+	"github.com/juju/worker/v4"
 )
 
 // snapshot encapsulates a snapshot of workers and output funcs and implements

dependency/testing/stub.go

@@ -10,7 +10,7 @@ import (
 
 	"github.com/juju/errors"
 
-	"github.com/juju/worker/v3/dependency"
+	"github.com/juju/worker/v4/dependency"
 )
 
 // NewStubResource creates a single StubResource with the given

dependency/util.go

@@ -8,7 +8,7 @@ import (
 
 	"github.com/juju/errors"
 
-	"github.com/juju/worker/v3"
+	"github.com/juju/worker/v4"
 )
 
 // Installer exposes an Engine's Install method.

dependency/util_test.go

@@ -14,9 +14,9 @@ import (
 	gc "gopkg.in/check.v1"
 	"gopkg.in/tomb.v2"
 
-	"github.com/juju/worker/v3"
-	"github.com/juju/worker/v3/dependency"
-	"github.com/juju/worker/v3/workertest"
+	"github.com/juju/worker/v4"
+	"github.com/juju/worker/v4/dependency"
+	"github.com/juju/worker/v4/workertest"
 )
 
 type engineFixture struct {

go.mod

@@ -1,6 +1,6 @@
-module github.com/juju/worker/v3
+module github.com/juju/worker/v4
 
-go 1.19
+go 1.20
 
 require (
 	github.com/juju/clock v0.0.0-20220203021603-d9deb868a28a

runner_test.go

@@ -17,7 +17,7 @@ import (
 	gc "gopkg.in/check.v1"
 	"gopkg.in/tomb.v2"
 
-	"github.com/juju/worker/v3"
+	"github.com/juju/worker/v4"
 )
 
 type RunnerSuite struct {

worker_test.go

@@ -10,7 +10,7 @@ import (
 	"github.com/juju/testing"
 	gc "gopkg.in/check.v1"
 
-	"github.com/juju/worker/v3"
+	"github.com/juju/worker/v4"
 )
 
 type WorkerSuite struct {

workertest/check.go

@@ -11,7 +11,7 @@ import (
 	jc "github.com/juju/testing/checkers"
 	gc "gopkg.in/check.v1"
 
-	"github.com/juju/worker/v3"
+	"github.com/juju/worker/v4"
 )
 
 var (
@@ -71,9 +71,9 @@ func CheckKill(c *gc.C, w worker.Worker) error {
 // CleanKill calls CheckKill with the supplied arguments, and Checks that the
 // returned error is nil. It's particularly suitable for deferring:
 //
-//     someWorker, err := some.NewWorker()
-//     c.Assert(err, jc.ErrorIsNil)
-//     defer workertest.CleanKill(c, someWorker)
+//	someWorker, err := some.NewWorker()
+//	c.Assert(err, jc.ErrorIsNil)
+//	defer workertest.CleanKill(c, someWorker)
 //
 // ...in the large number (majority?) of situations where a worker is expected
 // to run successfully; and it doesn't Assert, and is therefore suitable for use
@@ -86,9 +86,9 @@ func CleanKill(c *gc.C, w worker.Worker) {
 // DirtyKill calls CheckKill with the supplied arguments, and logs the returned
 // error. It's particularly suitable for deferring:
 //
-//     someWorker, err := some.NewWorker()
-//     c.Assert(err, jc.ErrorIsNil)
-//     defer workertest.DirtyKill(c, someWorker)
+//	someWorker, err := some.NewWorker()
+//	c.Assert(err, jc.ErrorIsNil)
+//	defer workertest.DirtyKill(c, someWorker)
 //
 // ...in the cases where we expect a worker to fail, but aren't specifically
 // testing that failure; and it doesn't Assert, and is therefore suitable for
@@ -104,9 +104,9 @@ func DirtyKill(c *gc.C, w worker.Worker) {
 // and tries to stop the (non-nil) worker via CleanKill(). It's suitable
 // for testing constructor failure:
 //
-//     someWorker, err := some.NewWorker(badConfig)
-//     workertest.CheckNilOrKill(c, someWorker)
-//     c.Check(err, ...
+//	someWorker, err := some.NewWorker(badConfig)
+//	workertest.CheckNilOrKill(c, someWorker)
+//	c.Check(err, ...
 //
 // ...because it will do the right thing if your constructor succeeds
 // unexpectedly, and make every effort to prevent a rogue worker living

workertest/fake_watcher.go

@@ -6,7 +6,7 @@ package workertest
 import (
 	"errors"
 
-	"github.com/juju/worker/v3"
+	"github.com/juju/worker/v4"
 )
 
 type NotAWatcher struct {

workertest/workers.go

@@ -6,7 +6,7 @@ package workertest
 import (
 	"gopkg.in/tomb.v2"
 
-	"github.com/juju/worker/v3"
+	"github.com/juju/worker/v4"
 )
 
 // NewErrorWorker returns a Worker that runs until Kill()ed; at which point it

workertest/workertest_test.go

@@ -10,7 +10,7 @@ import (
 	"github.com/juju/testing"
 	gc "gopkg.in/check.v1"
 
-	"github.com/juju/worker/v3/workertest"
+	"github.com/juju/worker/v4/workertest"
 )
 
 type Suite struct {