fn configured_outlining_patterns()

in focus/internals/src/lib/model/repo.rs [566:603]

• 36 lines of code
• 4 McCabe index (conditional complexity)

    fn configured_outlining_patterns(&self, commit_id: git2::Oid) -> Result<PatternSet> {
        let repo = self.underlying();
        let repo = repo.git_repo();
        let commit = repo.find_commit(commit_id).context("Resolving commit")?;
        let tree = commit.tree().context("Resolving tree")?;
        let pattern_file = match tree.get_path(Path::new(OUTLINING_PATTERN_FILE_NAME)) {
            Ok(pattern_file) => pattern_file,
            Err(err) if err.code() == git2::ErrorCode::NotFound => {
                return Ok(DEFAULT_OUTLINING_PATTERNS.clone())
            }
            Err(err) => {
                anyhow::bail!(
                    "The outlining pattern file (named '{}') could not be loaded from the repository at this commit ({}): {}",
                    OUTLINING_PATTERN_FILE_NAME,
                    &commit.id().to_string(),
                    err,
                );
            }
        };
        let pattern_object = pattern_file.to_object(repo).context("Resolving object")?;
        let pattern_blob = pattern_object.as_blob().ok_or_else(|| {
            anyhow::anyhow!(
                "Expected {} to be a blob, but it was not",
                OUTLINING_PATTERN_FILE_NAME
            )
        })?;

        let pattern_container: PatternContainer = serde_json::from_slice(pattern_blob.content())
            .with_context(|| {
                format!(
                    "Parsing outline pattern file '{}' (at commit {})",
                    OUTLINING_PATTERN_FILE_NAME,
                    &commit.id().to_string()
                )
            })?;

        Ok(pattern_container.patterns)
    }