Restructure store folders layout (#181)

* Restructure folders layout

* Write a readme in store root

Cargo.toml

@@ -39,21 +39,21 @@ ctrlc = "3.4.5"
 dunce = "1.0.5"
 etcetera = "0.8.0"
 fancy-regex = "0.14.0"
-fs-err = "3.1.0"
+fs-err = { version = "3.1.0", features = ["tokio"] }
 fs2 = "0.4.3"
 futures = "0.3.31"
+hex = "0.4.3"
 http = "1.1.0"
 indicatif = "0.17.8"
 indoc = "2.0.5"
 itertools = "0.14.0"
-md-5 = "0.10.6"
 miette = { version = "7.5.0", features = ["fancy-no-backtrace"] }
 owo-colors = "4.1.0"
 rand = "0.9.0"
 rayon = "1.10.0"
 reqwest = { version = "0.12.9", default-features = false }
-rusqlite = { version = "0.33.0", features = ["bundled"] }
 same-file = "1.0.6"
+seahash = "4.1.0"
 serde = { version = "1.0.210", features = ["derive"] }
 serde_json = "1.0.132"
 serde_yaml = "0.9.34"

src/cli/run/run.rs

@@ -189,6 +189,7 @@ fn fill_envs(
     to_ref: Option<&String>,
     args: &RunExtraArgs,
 ) -> HashMap<&'static str, String> {
+    // TODO: how to change these env vars?
     let mut env = HashMap::new();
     env.insert("PRE_COMMIT", "1".into());
 
@@ -244,24 +245,24 @@ fn get_skips() -> Vec<String> {
             .split(',')
             .map(|s| s.trim().to_string())
             .filter(|s| !s.is_empty())
-            .collect::<Vec<_>>(),
+            .collect(),
         _ => vec![],
     }
 }
 
-async fn install_hook(hook: &Hook, env_dir: PathBuf) -> Result<()> {
+async fn install_hook(hook: &Hook, env_dir: &Path) -> Result<()> {
     debug!(%hook, target = %env_dir.display(), "Install environment");
 
     if env_dir.try_exists()? {
         debug!(
             env_dir = %env_dir.display(),
             "Removing existing environment directory",
         );
-        fs_err::remove_dir_all(&env_dir)?;
+        fs_err::tokio::remove_dir_all(env_dir).await?;
     }
 
     hook.language.install(hook).await?;
-    hook.mark_installed()?;
+    hook.mark_as_installed().await?;
 
     Ok(())
 }
@@ -270,8 +271,8 @@ pub async fn install_hooks(hooks: &[Hook], reporter: &HookInstallReporter) -> Re
     let to_install = hooks
         .iter()
         .filter(|hook| !hook.installed())
-        .filter_map(|hook| hook.environment_dir().map(|env_dir| (hook, env_dir)))
-        .unique_by(|(_, env_dir)| env_dir.clone());
+        .filter_map(|hook| hook.env_path().map(|env_dir| (hook, env_dir)))
+        .unique_by(|(_, env_dir)| *env_dir);
 
     let mut tasks = futures::stream::iter(to_install)
         .map(|(hook, env_dir)| async move {