Method walk

atomic-repository/src/repository/switch.rs:396–433

Recursive walker that stops descending into ignored directories.

(
            root: &Path,
            dir: &Path,
            rules: &crate::ignore::IgnoreRules,
            out: &mut Vec<String>,
        )

        // Recursive walker that stops descending into ignored directories.
        fn walk(
            root: &Path,
            dir: &Path,
            rules: &crate::ignore::IgnoreRules,
            out: &mut Vec<String>,
        ) {
            let entries = match std::fs::read_dir(dir) {
                Ok(e) => e,
                Err(_) => return,
            };
            for entry in entries.flatten() {
                let abs = entry.path();
                let rel = match abs.strip_prefix(root) {
                    Ok(r) => r,
                    Err(_) => continue,
                };

                // Never touch VCS administrative directories. `.git` can be
                // ignored by `.atomicignore` after `atomic git import`, but
                // it remains owned by Git rather than a view workspace.
                if rel.starts_with(DOT_DIR) || rel.starts_with(".git") {
                    continue;
                }

                let is_dir = abs.is_dir();

                if rules.is_ignored(rel, is_dir) {
                    // Collect the top-level ignored entry — don't recurse.
                    if let Some(s) = rel.to_str() {
                        out.push(s.to_string());
                    }
                } else if is_dir {
                    // Not ignored — recurse to find ignored children.
                    walk(root, &abs, rules, out);
                }
                // Non-ignored files are left alone.
            }
        }

        walk(&self.root, &self.root, &rules, &mut result);
        result