message: rename NewMsg to New

Should have done this when relocating this from container. Now is a good time to rename it before v0.3.x.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/outcome/main_test.go

@@ -29,7 +29,7 @@ import (
 
 func TestOutcomeMain(t *testing.T) {
 	t.Parallel()
-	msg := message.NewMsg(nil)
+	msg := message.New(nil)
 	msg.SwapVerbose(testing.Verbose())
 
 	testCases := []struct {
@@ -40,7 +40,7 @@ func TestOutcomeMain(t *testing.T) {
 		wantSys    *system.I
 		wantParams *container.Params
 	}{
-		{"template", new(stubNixOS), hst.Template(), checkExpectInstanceId, system.New(panicMsgContext{}, message.NewMsg(nil), 1000009).
+		{"template", new(stubNixOS), hst.Template(), checkExpectInstanceId, system.New(panicMsgContext{}, message.New(nil), 1000009).
 			// spParamsOp
 			Ensure(m("/tmp/hakurei.0"), 0711).
 

internal/outcome/shim.go

@@ -78,7 +78,7 @@ const shimName = "shim"
 // Shim does not return.
 func Shim(msg message.Msg) {
 	if msg == nil {
-		msg = message.NewMsg(log.Default())
+		msg = message.New(log.Default())
 	}
 	shimEntrypoint(direct{msg})
 }

internal/outcome/spdbus_test.go

@@ -80,7 +80,7 @@ func TestSpDBusOp(t *testing.T) {
 				"--broadcast=org.freedesktop.portal.*=@/org/freedesktop/portal/*",
 			)}}, nil, nil),
 		}, func() *system.I {
-			sys := system.New(panicMsgContext{}, message.NewMsg(nil), checkExpectUid)
+			sys := system.New(panicMsgContext{}, message.New(nil), checkExpectUid)
 			sys.Ephemeral(system.Process, m(wantInstancePrefix), 0711)
 			if err := sys.ProxyDBus(
 				dbus.NewConfig(config.ID, true, true), nil,
@@ -162,7 +162,7 @@ func TestSpDBusOp(t *testing.T) {
 				"--talk=org.freedesktop.UPower",
 			)}}, nil, nil),
 		}, func() *system.I {
-			sys := system.New(panicMsgContext{}, message.NewMsg(nil), checkExpectUid)
+			sys := system.New(panicMsgContext{}, message.New(nil), checkExpectUid)
 			sys.Ephemeral(system.Process, m(wantInstancePrefix), 0711)
 			if err := sys.ProxyDBus(
 				config.SessionBus, config.SystemBus,