{"id":"1a1156bd1422a738","repo":"gohugoio/hugo","slug":"failed-to-init-modules-w","errorCode":null,"errorMessage":"failed to init modules: %w","messagePattern":"failed to init modules: %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"modules/client.go","lineNumber":369,"sourceCode":"\t}\n\n\treturn c.get(args...)\n}\n\nfunc (c *Client) get(args ...string) error {\n\tif err := c.runGo(context.Background(), c.logger.StdOut(), append([]string{\"get\"}, args...)...); err != nil {\n\t\treturn fmt.Errorf(\"failed to get %q: %w\", args, err)\n\t}\n\treturn nil\n}\n\n// Init initializes this as a Go Module with the given path.\n// If path is empty, Go will try to guess.\n// If this succeeds, this project will be marked as Go Module.\nfunc (c *Client) Init(path string) error {\n\terr := c.runGo(context.Background(), c.logger.StdOut(), \"mod\", \"init\", path)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"failed to init modules: %w\", err)\n\t}\n\n\tc.GoModulesFilename = filepath.Join(c.ccfg.WorkingDir, goModFilename)\n\n\treturn nil\n}\n\nvar verifyErrorDirRe = regexp.MustCompile(`dir has been modified \\((.*?)\\)`)\n\n// Verify checks that the dependencies of the current module,\n// which are stored in a local downloaded source cache, have not been\n// modified since being downloaded.\nfunc (c *Client) Verify(clean bool) error {\n\t// TODO(bep) add path to mod clean\n\terr := c.runVerify()\n\tif err != nil {\n\t\tif clean {\n\t\t\tm := verifyErrorDirRe.FindAllStringSubmatch(err.Error(), -1)","sourceCodeStart":351,"sourceCodeEnd":387,"githubUrl":"https://github.com/gohugoio/hugo/blob/8a468df065a75c1c7cf9f6850f32148746590ea5/modules/client.go#L351-L387","documentation":"Returned by Client.Init when `go mod init <path>` fails. Hugo runs this to turn the project into a Go Module (required for Hugo Modules); on success it records the go.mod path, so failure means the project cannot use module features.","triggerScenarios":"Running `hugo mod init [path]` when `go mod init` exits non-zero: a go.mod already exists in the directory, an empty path Go cannot guess (not inside GOPATH/VCS), or an invalid module path.","commonSituations":"Re-running `hugo mod init` in an already-initialized project, running it with no path argument outside any VCS checkout so Go can't infer the module path, or Go binary missing/broken.","solutions":["Pass an explicit module path: `hugo mod init github.com/me/mysite`.","If go.mod already exists, skip init — the project is already a module.","Ensure the `go` binary is installed and on PATH.","Use a valid module path (lowercase, domain-like prefix)."],"exampleFix":"# before\nhugo mod init\n# error: cannot determine module path\n# after\nhugo mod init github.com/me/mysite","handlingStrategy":"validation","validationCode":"// only init when no go.mod exists yet\nif _, err := os.Stat(filepath.Join(dir, \"go.mod\")); err == nil {\n    // already initialized — skip Init\n}","typeGuard":null,"tryCatchPattern":"if err := client.Init(modPath); err != nil {\n    return fmt.Errorf(\"module init failed (check go toolchain and write permissions in %s): %w\", dir, err)\n}","preventionTips":["Check for an existing go.mod before calling Init to avoid double-initialization","Verify the working directory is writable","Validate the module path passed to Init with module.CheckPath","Confirm the Go toolchain version meets Hugo's minimum requirement"],"tags":["go-modules","hugo-mod","init","config"],"analyzedSha":"8a468df065a75c1c7cf9f6850f32148746590ea5","analyzedAt":"2026-07-31T21:23:07.045Z","schemaVersion":2}