{"record":{"id":"229e60ba17214f9f","repo":"nikivdev/code","slug":"f-pr-preview-path-requires-a-value","errorCode":null,"errorMessage":"`f pr preview --path` requires a value","messagePattern":"`f pr preview --path` requires a value","errorType":"validation","errorClass":null,"httpStatus":null,"severity":"error","filePath":"src/pr_preview.rs","lineNumber":299,"sourceCode":"                index += 1;\n            }\n            \"--mode\" => {\n                let Some(value) = args.get(index + 1) else {\n                    bail!(\"`f pr preview --mode` requires a value\");\n                };\n                mode = parse_mode_arg(value)?;\n                index += 2;\n            }\n            \"--base\" => {\n                let Some(value) = args.get(index + 1) else {\n                    bail!(\"`f pr preview --base` requires a value\");\n                };\n                requested_base = value.clone();\n                index += 2;\n            }\n            \"--path\" => {\n                let Some(value) = args.get(index + 1) else {\n                    bail!(\"`f pr preview --path` requires a value\");\n                };\n                repo_path = Some(PathBuf::from(value));\n                index += 2;\n            }\n            token => bail!(\"unknown `f pr preview` option: {token}\"),\n        }\n    }\n\n    Ok(Some(PrPreviewCommand {\n        repo_path,\n        requested_base,\n        mode,\n        json,\n    }))\n}\n\nfn parse_mode_arg(value: &str) -> Result<PrPreviewModeArg> {\n    match value.trim().to_ascii_lowercase().as_str() {","sourceCodeStart":281,"sourceCodeEnd":317,"githubUrl":"https://github.com/nikivdev/code/blob/a747e741ae92c09071d0ae946ab48488adcff1ce/src/pr_preview.rs#L281-L317","documentation":"The `--path` flag of `f pr preview` requires a repo path value. This error is thrown when --path appears without a following argument.","triggerScenarios":"Running `f pr preview --path` with nothing after it, so no PathBuf can be built.","commonSituations":"Empty environment variable expanded for the path; truncated command in scripts; forgetting the directory argument.","solutions":["Provide the repo directory: `f pr preview --path /path/to/repo`","Verify the variable holding the path is non-empty","Use an absolute or correct relative path"],"exampleFix":"// before\nf pr preview --path\n// after\nf pr preview --path ~/repos/api","handlingStrategy":"validation","validationCode":"if args.iter().any(|a| a == \"--path\") {\n    let i = args.iter().position(|a| a == \"--path\").unwrap();\n    if args.get(i + 1).is_none() { anyhow::bail!(\"--path needs a directory\"); }\n}","typeGuard":null,"tryCatchPattern":"if let Err(e) = run_pr_preview(cmd) {\n    if e.to_string().contains(\"--path`) requires a value\") {\n        eprintln!(\"Usage: f pr preview --path <repo-dir>\");\n    }\n}","preventionTips":["Always pass the repo directory after --path","Guard against empty $REPO_DIR variables in scripts","Use absolute paths to avoid cwd ambiguity"],"tags":["cli","argument-parsing","pr"],"backgroundTag":"missing-argument-value","analyzedSha":"a747e741ae92c09071d0ae946ab48488adcff1ce","analyzedAt":"2026-09-01T22:43:55.719Z","contentChangedAt":null,"schemaVersion":2},"datasetVersion":"2026-09-08T10:18:20.063Z"}