added credits command

.gitignore

@@ -14,3 +14,4 @@ profile.out
 /dist
 *.test
 tests/__snapshot__
+/licenses

Justfile

@@ -14,11 +14,11 @@ _default:
 # --- Build ---
 
 # Build the vcluster binary
-build-snapshot:
+build-snapshot: gen-license-report
   TELEMETRY_PRIVATE_KEY="" goreleaser build --snapshot --clean --single-target
 
 # Build the vcluster release binary in snapshot mode
-release-snapshot:
+release-snapshot: gen-license-report
   TELEMETRY_PRIVATE_KEY="" goreleaser release --snapshot --clean
 
 # --- Code quality ---
@@ -136,3 +136,17 @@ generate-compatibility:
 
 validate-compat-matrix:
   go run hack/compat-matrix/main.go validate docs/pages/deploying-vclusters/compat-matrix.mdx
+
+gen-license-report:
+  rm -rf ./licenses
+  (cd ./cmd/vclusterctl/cmd/credits/licenses && find . -type d -exec rm -rf "{}" \;) || true
+
+  go-licenses save --save_path=./licenses --ignore github.com/loft-sh --ignore modernc.org/mathutil --ignore github.com/mattn/go-localereader $(go work edit -json | jq -c -r '[.Use[].DiskPath] | map_values(. + "/...")[]') || exit 0
+
+  mkdir -p ./licenses/github.com/mattn/go-localereader
+  cd ./licenses/github.com/mattn/go-localereader && curl -O https://raw.githubusercontent.com/mattn/go-localereader/master/LICENSE
+
+  mkdir -p ./licenses/modernc.org/mathutil
+  cd ./licenses/modernc.org/mathutil && curl -O https://gitlab.com/cznic/mathutil/-/raw/master/LICENSE?ref_type=heads
+
+  cp -r ./licenses ./cmd/vclusterctl/cmd/credits

cmd/vclusterctl/cmd/credits/credits.go

@@ -0,0 +1,72 @@
+package credits
+
+import (
+	"embed"
+	"errors"
+	"fmt"
+	"io/fs"
+	"os"
+	"path"
+	"strings"
+
+	"github.com/loft-sh/log"
+	"github.com/spf13/cobra"
+)
+
+//go:embed licenses
+var licenses embed.FS
+
+func NewCreditsCmd() *cobra.Command {
+	creditsCmd := &cobra.Command{
+		Use:   "credits [OUTDIR]",
+		Args:  cobra.ExactArgs(1),
+		Short: "Saves the OSS credits",
+		Long:  "Saves licenses, copyright notices and source code, as required by a Go package's dependencies, to a directory.",
+		RunE: func(_ *cobra.Command, args []string) error {
+			outDir := args[0]
+			if outDir == "" {
+				return errors.New("please specify the out directory")
+			}
+
+			logger := log.GetInstance()
+
+			if err := fs.WalkDir(licenses, "licenses", func(filePath string, d fs.DirEntry, err error) error {
+				if err != nil {
+					return err
+				}
+
+				if !d.IsDir() {
+					contents, err := licenses.ReadFile(filePath)
+					if err != nil {
+						return fmt.Errorf("failed to read file %s: %w", filePath, err)
+					}
+
+					outPath := path.Join(outDir, strings.TrimPrefix(filePath, "licenses/"))
+
+					dir := path.Dir(outPath)
+
+					if _, err := os.Stat(dir); os.IsNotExist(err) {
+						if err := os.MkdirAll(dir, 0700); err != nil {
+							return fmt.Errorf("failed to create directory %s: %w", dir, err)
+						}
+					}
+
+					if err := os.WriteFile(outPath, contents, 0644); err != nil {
+						return fmt.Errorf("failed to write file %s: %w", outPath, err)
+					}
+				}
+
+				return nil
+			}); err != nil {
+				return fmt.Errorf("failed to walk through licenses: %w", err)
+			}
+
+			outPath := path.Clean(outDir)
+			logger.Info("Wrote credits to " + outPath)
+
+			return nil
+		},
+	}
+
+	return creditsCmd
+}

cmd/vclusterctl/cmd/credits/licenses/.gitignore

@@ -0,0 +1,3 @@
+*
+!.gitignore
+!readme.txt

cmd/vclusterctl/cmd/credits/licenses/readme.txt

@@ -0,0 +1 @@
+These are the licenses, copyright notices and source code used, as required by a Go package's dependencies licenses.

cmd/vclusterctl/cmd/root.go

@@ -7,6 +7,7 @@ import (
 
 	"github.com/loft-sh/log"
 	"github.com/loft-sh/vcluster/cmd/vclusterctl/cmd/convert"
+	"github.com/loft-sh/vcluster/cmd/vclusterctl/cmd/credits"
 	"github.com/loft-sh/vcluster/cmd/vclusterctl/cmd/get"
 	cmdpro "github.com/loft-sh/vcluster/cmd/vclusterctl/cmd/platform"
 	cmdtelemetry "github.com/loft-sh/vcluster/cmd/vclusterctl/cmd/telemetry"
@@ -132,6 +133,7 @@ func BuildRoot(log log.Logger) (*cobra.Command, error) {
 		return nil, fmt.Errorf("failed to create activate command: %w", err)
 	}
 	rootCmd.AddCommand(importCmd)
+	rootCmd.AddCommand(credits.NewCreditsCmd())
 
 	// add completion command
 	err = rootCmd.RegisterFlagCompletionFunc("namespace", newNamespaceCompletionFunc(rootCmd.Context()))

go.mod

@@ -123,7 +123,7 @@ require (
 	github.com/coreos/go-semver v0.3.1 // indirect
 	github.com/coreos/go-systemd/v22 v22.5.0 // indirect
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
-	github.com/evanphx/json-patch v5.8.1+incompatible // indirect
+	github.com/evanphx/json-patch v5.8.1+incompatible
 	github.com/exponent-io/jsonpath v0.0.0-20151013193312-d6023ce2651d // indirect
 	github.com/felixge/httpsnoop v1.0.4 // indirect
 	github.com/fsnotify/fsnotify v1.7.0 // indirect