fn walk_builder_with_file_set()

in src/main.rs [121:168]

• 47 lines of code
• 6 McCabe index (conditional complexity)

fn walk_builder_with_file_set(dirs: Vec<&str>, file_set: Option<FileSet>) -> Result<WalkBuilder> {
    ensure!(!dirs.is_empty(), "must provide at least one path to walk!");
    let mut builder = WalkBuilder::new(dirs[0]);
    for dir in &dirs[1..] {
        builder.add(dir);
    }
    if let Some(file_set) = file_set {
        use crate::FileSet::*;
        match file_set {
            Extensions(e) => {
                let mut override_builder = OverrideBuilder::new(".");
                for ext in e {
                    override_builder
                        .add(&format!("*.{}", ext))
                        .context("Unable to register extension with directory walker")?;
                }
                builder.overrides(
                    override_builder
                        .build()
                        .context("Unable to register extensions with directory walker")?,
                );
            }
            Glob {
                matches,
                case_insensitive,
            } => {
                let mut override_builder = OverrideBuilder::new(".");
                // Case sensitivity needs to be added before the patterns are.
                if case_insensitive {
                    override_builder
                        .case_insensitive(true)
                        .context("Unable to toggle case sensitivity")?;
                }
                for file in matches {
                    override_builder
                        .add(&file)
                        .context("Unable to register glob with directory walker")?;
                }
                builder.overrides(
                    override_builder
                        .build()
                        .context("Unable to register glob with directory walker")?,
                );
            }
        }
    }
    Ok(builder)
}