driver(internal): compile vz on darwin, wsl2 on windows only and implement common error

Signed-off-by: Ansuman Sahoo <anshumansahoo500@gmail.com>

Author: unsuman

cmd/limactl/main.go

@@ -11,8 +11,8 @@ import (
 	"runtime"
 	"strings"
 
-	_ "github.com/lima-vm/lima/pkg/builtins" // register built-in drivers
 	"github.com/lima-vm/lima/pkg/debugutil"
+	_ "github.com/lima-vm/lima/pkg/driver/qemu" // register qemu driver for all platforms
 	"github.com/lima-vm/lima/pkg/fsutil"
 	"github.com/lima-vm/lima/pkg/osutil"
 	"github.com/lima-vm/lima/pkg/store/dirnames"

cmd/limactl/main_darwin.go

@@ -0,0 +1,9 @@
+//go:build darwin && !no_vz
+
+// SPDX-FileCopyrightText: Copyright The Lima Authors
+// SPDX-License-Identifier: Apache-2.0
+
+package main
+
+// Import vz driver to register it in the registry on darwin.
+import _ "github.com/lima-vm/lima/pkg/driver/vz"

cmd/limactl/main_windows.go

@@ -0,0 +1,9 @@
+//go:build windows && !no_wsl
+
+// SPDX-FileCopyrightText: Copyright The Lima Authors
+// SPDX-License-Identifier: Apache-2.0
+
+package main
+
+// Import wsl2 driver to register it in the registry on windows.
+import _ "github.com/lima-vm/lima/pkg/driver/wsl2"

pkg/driver/vz/errors_darwin.go

@@ -8,4 +8,7 @@ package vz
 import "errors"
 
 //nolint:revive,staticcheck // false positives with proper nouns
-var errRosettaUnsupported = errors.New("Rosetta is unsupported on non-ARM64 hosts")
+var (
+	errRosettaUnsupported = errors.New("Rosetta is unsupported on non-ARM64 hosts")
+	errUnimplemented      = errors.New("unimplemented")
+)

pkg/driver/vz/register.go

@@ -1,3 +1,5 @@
+//go:build darwin && !no_vz
+
 // SPDX-FileCopyrightText: Copyright The Lima Authors
 // SPDX-License-Identifier: Apache-2.0
 

pkg/driver/vz/vz_driver_darwin.go

@@ -287,19 +287,19 @@ func (l *LimaVzDriver) GetDisplayConnection(_ context.Context) (string, error) {
 }
 
 func (l *LimaVzDriver) CreateSnapshot(_ context.Context, _ string) error {
-	return errors.New("unimplemented")
+	return errUnimplemented
 }
 
 func (l *LimaVzDriver) ApplySnapshot(_ context.Context, _ string) error {
-	return errors.New("unimplemented")
+	return errUnimplemented
 }
 
 func (l *LimaVzDriver) DeleteSnapshot(_ context.Context, _ string) error {
-	return errors.New("unimplemented")
+	return errUnimplemented
 }
 
 func (l *LimaVzDriver) ListSnapshots(_ context.Context) (string, error) {
-	return "", errors.New("unimplemented")
+	return "", errUnimplemented
 }
 
 func (l *LimaVzDriver) ForwardGuestAgent() bool {

pkg/driver/vz/vz_driver_others.go

@@ -0,0 +1,11 @@
+//go:build windows && !no_wsl
+
+// SPDX-FileCopyrightText: Copyright The Lima Authors
+// SPDX-License-Identifier: Apache-2.0
+
+package wsl2
+
+import "errors"
+
+//nolint:revive,staticcheck // false positives with proper nouns
+var errUnimplemented = errors.New("unimplemented")

pkg/driver/wsl2/errors_windows.go

@@ -1,3 +1,5 @@
+//go:build windows && !no_wsl
+
 // SPDX-FileCopyrightText: Copyright The Lima Authors
 // SPDX-License-Identifier: Apache-2.0
 

pkg/driver/wsl2/register.go

@@ -246,19 +246,19 @@ func (l *LimaWslDriver) GetDisplayConnection(_ context.Context) (string, error)
 }
 
 func (l *LimaWslDriver) CreateSnapshot(_ context.Context, _ string) error {
-	return fmt.Errorf("unimplemented")
+	return errUnimplemented
 }
 
 func (l *LimaWslDriver) ApplySnapshot(_ context.Context, _ string) error {
-	return fmt.Errorf("unimplemented")
+	return errUnimplemented
 }
 
 func (l *LimaWslDriver) DeleteSnapshot(_ context.Context, _ string) error {
-	return fmt.Errorf("unimplemented")
+	return errUnimplemented
 }
 
 func (l *LimaWslDriver) ListSnapshots(_ context.Context) (string, error) {
-	return "", fmt.Errorf("unimplemented")
+	return "", errUnimplemented
 }
 
 func (l *LimaWslDriver) ForwardGuestAgent() bool {