astral-sh/ruff · error · anyhow::Error

Invalid `cache-dir` value: {e}

Error message

Invalid `cache-dir` value: {e}

What it means

Error "Invalid `cache-dir` value: {e}" thrown in astral-sh/ruff.

Source

Thrown at crates/ruff_workspace/src/configuration.rs:553

            lint.common = lint.common.combine(options.lint_top_level.0);
            lint
        } else {
            LintOptions {
                common: options.lint_top_level.0,
                ..LintOptions::default()
            }
        };

        Ok(Self {
            builtins: options.builtins,
            cache_dir: options
                .cache_dir
                .map(|dir| {
                    let dir = shellexpand::full(&dir);
                    dir.map(|dir| fs::normalize_path_to(dir.as_ref(), project_root))
                })
                .transpose()
                .map_err(|e| anyhow!("Invalid `cache-dir` value: {e}"))?,

            exclude: options.exclude.map(|paths| {
                paths
                    .into_iter()
                    .map(|pattern| {
                        let absolute = GlobPath::normalize(&pattern, project_root);
                        FilePattern::User(pattern, absolute)
                    })
                    .collect()
            }),
            extend: options
                .extend
                .map(|extend| {
                    let extend = shellexpand::full(&extend);
                    extend.map(|extend| PathBuf::from(extend.as_ref()))
                })
                .transpose()
                .map_err(|e| anyhow!("Invalid `extend` value: {e}"))?,

View on GitHub (pinned to 672bb4edf0)

When it happens

Trigger: Thrown at crates/ruff_workspace/src/configuration.rs:553 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of astral-sh/ruff@672bb4edf0 (2026-08-16). Data as JSON: /api/errors/459a9539dbcda23f. Report an issue: GitHub.