astral-sh/uv · error

`--outdated` cannot be used with `--format freeze`

Error message

`--outdated` cannot be used with `--format freeze`

What it means

Error "`--outdated` cannot be used with `--format freeze`" thrown in astral-sh/uv.

Source

Thrown at crates/uv/src/commands/pip/list.rs:60

    prerelease: Prerelease,
    index_locations: IndexLocations,
    index_strategy: IndexStrategy,
    keyring_provider: KeyringProviderType,
    client_builder: &BaseClientBuilder<'_>,
    concurrency: Concurrency,
    strict: bool,
    exclude_newer: ExcludeNewer,
    dependency_metadata: &DependencyMetadata,
    python: Option<&str>,
    system: bool,
    target: Option<Target>,
    prefix: Option<Prefix>,
    cache: &Cache,
    printer: Printer,
) -> Result<ExitStatus> {
    // Disallow `--outdated` with `--format freeze`.
    if outdated && matches!(format, ListFormat::Freeze) {
        anyhow::bail!("`--outdated` cannot be used with `--format freeze`");
    }

    // Detect the current Python interpreter.
    let environment = PythonEnvironment::find(
        &python.map(PythonRequest::parse).unwrap_or_default(),
        EnvironmentPreference::from_system_flag(system, false),
        PythonPreference::default().with_system_flag(system),
        cache,
    )?;

    // Apply any `--target` or `--prefix` directories.
    let environment = if let Some(target) = target {
        debug!(
            "Using `--target` directory at {}",
            target.root().user_display()
        );
        environment.with_target(target)?
    } else if let Some(prefix) = prefix {

View on GitHub (pinned to f1a42680ff)

When it happens

Trigger: Thrown at crates/uv/src/commands/pip/list.rs:60 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of astral-sh/uv@f1a42680ff (2026-08-16). Data as JSON: /api/errors/436c25c24129f528. Report an issue: GitHub.