{"record":{"id":"9d0fc51ae5d41d1b","repo":"GoogleContainerTools/skaffold","slug":"opening-q-in-embedded-filesystem-w","errorCode":null,"errorMessage":"opening %q in embedded filesystem: %w","messagePattern":"opening %q in embedded filesystem: %w","errorType":"console","errorClass":null,"httpStatus":null,"severity":"error","filePath":"cmd/skaffold/app/cmd/credits/export.go","lineNumber":47,"sourceCode":"\n\t\"github.com/GoogleContainerTools/skaffold/v2/fs\"\n)\n\nvar Path string\n\n// Export writes all the licenses and credit files to the `Path` folder.\nfunc Export(ctx context.Context, out io.Writer) error {\n\tif err := iofs.WalkDir(fs.AssetsFS, \"assets/credits_generated\", func(filePath string, dirEntry iofs.DirEntry, err error) error {\n\t\tnewPath := path.Join(Path, strings.Replace(filePath, \"assets/credits_generated\", \"\", 1))\n\t\tif dirEntry.IsDir() {\n\t\t\terr := os.Mkdir(newPath, 0755)\n\t\t\tif err != nil && !os.IsExist(err) {\n\t\t\t\treturn fmt.Errorf(\"creating directory %q: %w\", newPath, err)\n\t\t\t}\n\t\t} else {\n\t\t\tfile, err := fs.AssetsFS.Open(filePath)\n\t\t\tif err != nil {\n\t\t\t\treturn fmt.Errorf(\"opening %q in embedded filesystem: %w\", filePath, err)\n\t\t\t}\n\n\t\t\tbuf, err := io.ReadAll(file)\n\t\t\tif err != nil {\n\t\t\t\treturn fmt.Errorf(\"reading %q in embedded filesystem: %w\", filePath, err)\n\t\t\t}\n\n\t\t\tif err := os.WriteFile(newPath, buf, 0664); err != nil {\n\t\t\t\treturn fmt.Errorf(\"writing %q to %q: %w\", filePath, newPath, err)\n\t\t\t}\n\t\t}\n\t\treturn nil\n\t}); err != nil {\n\t\treturn err\n\t}\n\n\ts, err := filepath.Abs(Path)\n\tif err != nil {","sourceCodeStart":29,"sourceCodeEnd":65,"githubUrl":"https://github.com/GoogleContainerTools/skaffold/blob/a1189de023efc32d4b8e11f395acc678aa555011/cmd/skaffold/app/cmd/credits/export.go#L29-L65","documentation":"Wraps a failure from fs.AssetsFS.Open when `skaffold credits export` tries to read a file out of the embedded (go:embed) assets filesystem and copy it to the export directory. The underlying err is usually fs.ErrNotExist, meaning the embedded asset path was missing, or a permission/IO error from the embed FS. Because assets are compiled into the binary this almost always indicates a bad path in the credits WalkDir iteration or a corrupted/unofficial binary build.","triggerScenarios":"Running `skaffold credits export <dir>` when the embedded asset path listed in fs.AssetsFS cannot be opened — e.g. fs.WalkDir yields a path that no longer exists in the embed mapping, or the binary was built without the embedded assets.","commonSituations":"Using a locally built skaffold binary where embed directives were stripped or files moved; an outdated third-party mirror of skaffold; a directory entry in AssetsFS being skipped/dropped during a custom build.","solutions":["Rebuild or reinstall skaffold from official sources so all go:embed assets are present","Check that the file path printed in the error exists in pkg/skaffold/fs assets and the embed pattern includes it","Run `skaffold version` to confirm it is an official release build"],"exampleFix":"// before: path constructed manually may not match embedded layout\nfilePath := filepath.Join(root, name)\n// after: use the path as yielded by fs.WalkDir on AssetsFS so it matches the embed tree\nreturn fs.WalkDir(fs.AssetsFS, \".\", func(p string, d fs.DirEntry, err error) error {\n    if err != nil { return err }\n    if !d.IsDir() { return exportFile(p) }\n    return nil\n})","handlingStrategy":"validation","validationCode":"// before export, verify the binary's assets are intact and target is writable\nif _, err := os.Stat(exportDir); err != nil {\n    return fmt.Errorf(\"export dir %s unavailable: %w\", exportDir, err)\n}\nif err := skaffoldFS.WalkDir(fs.AssetsFS, \".\", func(p string, d fs.DirEntry, err error) error {\n    if err != nil { return fmt.Errorf(\"asset %s missing: %w\", p, err) }\n    return nil\n}); err != nil { return err }","typeGuard":"func assetExists(fsys fs.FS, path string) bool {\n    f, err := fsys.Open(path)\n    if err != nil { return false }\n    f.Close()\n    return true\n}","tryCatchPattern":"if _, err := fs.AssetsFS.Open(p); err != nil {\n    if errors.Is(err, fs.ErrNotExist) { /* skip or rebuild binary */ }\n    return err\n}","preventionTips":["Install skaffold from official releases; avoid stripping embed assets in custom builds","Run `skaffold version` to confirm a supported release before scripting credits export","Check the export directory is writable before invoking the command"],"tags":["go","embedded-filesystem","skaffold-cli"],"backgroundTag":"asset-not-found","analyzedSha":"a1189de023efc32d4b8e11f395acc678aa555011","analyzedAt":"2026-09-05T12:09:27.064Z","contentChangedAt":"2026-09-05T12:09:27.064Z","schemaVersion":2},"datasetVersion":"2026-09-12T17:17:11.597Z"}