Replace lazy_static with std::sync::LazyLock (#123)

Cargo.toml

@@ -11,7 +11,6 @@ serde_json = "1.0.132"
 tempfile = "3.14.0"
 serde = { version = "1.0.214", features = ["derive"] }
 anyhow = "1.0"
-lazy_static = "1.5.0"
 colored = "2.1.0"
 itertools = "0.13.0"
 rowan = "0.15.16"

src/structure.rs

@@ -1,9 +1,9 @@
 use std::fs::DirEntry;
 use std::path::Path;
+use std::sync::LazyLock;
 
 use anyhow::Context;
 use itertools::{concat, process_results};
-use lazy_static::lazy_static;
 use regex::Regex;
 use relative_path::RelativePathBuf;
 
@@ -15,10 +15,10 @@ use crate::NixFileStore;
 pub const BASE_SUBPATH: &str = "pkgs/by-name";
 pub const PACKAGE_NIX_FILENAME: &str = "package.nix";
 
-lazy_static! {
-    static ref SHARD_NAME_REGEX: Regex = Regex::new(r"^[a-z0-9_-]{1,2}$").unwrap();
-    static ref PACKAGE_NAME_REGEX: Regex = Regex::new(r"^[a-zA-Z0-9_-]+$").unwrap();
-}
+static SHARD_NAME_REGEX: LazyLock<Regex> =
+    LazyLock::new(|| Regex::new(r"^[a-z0-9_-]{1,2}$").unwrap());
+static PACKAGE_NAME_REGEX: LazyLock<Regex> =
+    LazyLock::new(|| Regex::new(r"^[a-zA-Z0-9_-]+$").unwrap());
 
 /// Deterministic file listing so that tests are reproducible.
 pub fn read_dir_sorted(base_dir: &Path) -> anyhow::Result<Vec<DirEntry>> {