app: added helm tgz handle

vendor/helm.sh/helm/v4/internal/sympath/walk.go

@@ -0,0 +1,119 @@
+/*
+Copyright (c) for portions of walk.go are held by The Go Authors, 2009 and are
+provided under the BSD license.
+
+https://github.com/golang/go/blob/master/LICENSE
+
+Copyright The Helm Authors.
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package sympath
+
+import (
+	"fmt"
+	"log/slog"
+	"os"
+	"path/filepath"
+	"sort"
+)
+
+// Walk walks the file tree rooted at root, calling walkFn for each file or directory
+// in the tree, including root. All errors that arise visiting files and directories
+// are filtered by walkFn. The files are walked in lexical order, which makes the
+// output deterministic but means that for very large directories Walk can be
+// inefficient. Walk follows symbolic links.
+func Walk(root string, walkFn filepath.WalkFunc) error {
+	info, err := os.Lstat(root)
+	if err != nil {
+		err = walkFn(root, nil, err)
+	} else {
+		err = symwalk(root, info, walkFn)
+	}
+	if err == filepath.SkipDir {
+		return nil
+	}
+	return err
+}
+
+// readDirNames reads the directory named by dirname and returns
+// a sorted list of directory entries.
+func readDirNames(dirname string) ([]string, error) {
+	f, err := os.Open(dirname)
+	if err != nil {
+		return nil, err
+	}
+	names, err := f.Readdirnames(-1)
+	f.Close()
+	if err != nil {
+		return nil, err
+	}
+	sort.Strings(names)
+	return names, nil
+}
+
+// symwalk recursively descends path, calling walkFn.
+func symwalk(path string, info os.FileInfo, walkFn filepath.WalkFunc) error {
+	// Recursively walk symlinked directories.
+	if IsSymlink(info) {
+		resolved, err := filepath.EvalSymlinks(path)
+		if err != nil {
+			return fmt.Errorf("error evaluating symlink %s: %w", path, err)
+		}
+		// This log message is to highlight a symlink that is being used within a chart, symlinks can be used for nefarious reasons.
+		slog.Info("found symbolic link in path. Contents of linked file included and used", "path", path, "resolved", resolved)
+		if info, err = os.Lstat(resolved); err != nil {
+			return err
+		}
+		if err := symwalk(path, info, walkFn); err != nil && err != filepath.SkipDir {
+			return err
+		}
+		return nil
+	}
+
+	if err := walkFn(path, info, nil); err != nil {
+		return err
+	}
+
+	if !info.IsDir() {
+		return nil
+	}
+
+	names, err := readDirNames(path)
+	if err != nil {
+		return walkFn(path, info, err)
+	}
+
+	for _, name := range names {
+		filename := filepath.Join(path, name)
+		fileInfo, err := os.Lstat(filename)
+		if err != nil {
+			if err := walkFn(filename, fileInfo, err); err != nil && err != filepath.SkipDir {
+				return err
+			}
+		} else {
+			err = symwalk(filename, fileInfo, walkFn)
+			if err != nil {
+				if (!fileInfo.IsDir() && !IsSymlink(fileInfo)) || err != filepath.SkipDir {
+					return err
+				}
+			}
+		}
+	}
+	return nil
+}
+
+// IsSymlink is used to determine if the fileinfo is a symbolic link.
+func IsSymlink(fi os.FileInfo) bool {
+	return fi.Mode()&os.ModeSymlink != 0
+}

vendor/helm.sh/helm/v4/internal/version/clientgo.go

@@ -0,0 +1,44 @@
+/*
+Copyright The Helm Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package version
+
+import (
+	"fmt"
+	"runtime/debug"
+	"slices"
+
+	_ "k8s.io/client-go/kubernetes" // Force k8s.io/client-go to be included in the build
+)
+
+func K8sIOClientGoModVersion() (string, error) {
+	info, ok := debug.ReadBuildInfo()
+	if !ok {
+		return "", fmt.Errorf("failed to read build info")
+	}
+
+	idx := slices.IndexFunc(info.Deps, func(m *debug.Module) bool {
+		return m.Path == "k8s.io/client-go"
+	})
+
+	if idx == -1 {
+		return "", fmt.Errorf("k8s.io/client-go not found in build info")
+	}
+
+	m := info.Deps[idx]
+
+	return m.Version, nil
+}

vendor/helm.sh/helm/v4/internal/version/version.go

@@ -0,0 +1,120 @@
+/*
+Copyright The Helm Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package version
+
+import (
+	"flag"
+	"fmt"
+	"log/slog"
+	"runtime"
+	"strings"
+	"testing"
+
+	"github.com/Masterminds/semver/v3"
+)
+
+var (
+	// version is the current version of Helm.
+	// Update this whenever making a new release.
+	// The version is of the format Major.Minor.Patch[-Prerelease][+BuildMetadata]
+	//
+	// Increment major number for new feature additions and behavioral changes.
+	// Increment minor number for bug fixes and performance enhancements.
+	version = "v4.1"
+
+	// metadata is extra build time data
+	metadata = ""
+	// gitCommit is the git sha1
+	gitCommit = ""
+	// gitTreeState is the state of the git tree
+	gitTreeState = ""
+)
+
+const (
+	kubeClientGoVersionTesting = "v1.20"
+)
+
+// BuildInfo describes the compile time information.
+type BuildInfo struct {
+	// Version is the current semver.
+	Version string `json:"version,omitempty"`
+	// GitCommit is the git sha1.
+	GitCommit string `json:"git_commit,omitempty"`
+	// GitTreeState is the state of the git tree.
+	GitTreeState string `json:"git_tree_state,omitempty"`
+	// GoVersion is the version of the Go compiler used.
+	GoVersion string `json:"go_version,omitempty"`
+	// KubeClientVersion is the version of client-go Helm was build with
+	KubeClientVersion string `json:"kube_client_version"`
+}
+
+// GetVersion returns the semver string of the version
+func GetVersion() string {
+	if metadata == "" {
+		return version
+	}
+	return version + "+" + metadata
+}
+
+// GetUserAgent returns a user agent for user with an HTTP client
+func GetUserAgent() string {
+	return "Helm/" + strings.TrimPrefix(GetVersion(), "v")
+}
+
+// Get returns build info
+func Get() BuildInfo {
+
+	makeKubeClientVersionString := func() string {
+		// Test builds don't include debug info / module info
+		// (And even if they did, we probably want a stable version during tests anyway)
+		// Return a default value for test builds
+		if testing.Testing() {
+			return kubeClientGoVersionTesting
+		}
+
+		vstr, err := K8sIOClientGoModVersion()
+		if err != nil {
+			slog.Error("failed to retrieve k8s.io/client-go version", slog.Any("error", err))
+			return ""
+		}
+
+		v, err := semver.NewVersion(vstr)
+		if err != nil {
+			slog.Error("unable to parse k8s.io/client-go version", slog.String("version", vstr), slog.Any("error", err))
+			return ""
+		}
+
+		kubeClientVersionMajor := v.Major() + 1
+		kubeClientVersionMinor := v.Minor()
+
+		return fmt.Sprintf("v%d.%d", kubeClientVersionMajor, kubeClientVersionMinor)
+	}
+
+	v := BuildInfo{
+		Version:           GetVersion(),
+		GitCommit:         gitCommit,
+		GitTreeState:      gitTreeState,
+		GoVersion:         runtime.Version(),
+		KubeClientVersion: makeKubeClientVersionString(),
+	}
+
+	// HACK(bacongobbler): strip out GoVersion during a test run for consistent test output
+	if flag.Lookup("test.v") != nil {
+		v.GoVersion = ""
+	}
+	return v
+}