fix: make hook-env compatible with zsh auto_name_dirs (#3366)

src/cli/hook_env.rs

@@ -171,13 +171,18 @@ impl HookEnv {
         ))
     }
 
+    /// set the directory where hook-env was last run from
+    /// prefixed with ":" so it does not conflict with zsh's auto_name_dirs feature
     fn build_dir_operation(&self) -> Result<EnvDiffOperation> {
         Ok(EnvDiffOperation::Add(
             "__MISE_DIR".into(),
-            dirs::CWD
-                .as_ref()
-                .map(|p| p.to_string_lossy().to_string())
-                .unwrap_or_default(),
+            format!(
+                ":{}",
+                dirs::CWD
+                    .as_ref()
+                    .map(|p| p.to_string_lossy().to_string())
+                    .unwrap_or_default()
+            ),
         ))
     }
 

src/env.rs

@@ -154,7 +154,13 @@ pub static MISE_TIMINGS: Lazy<u8> = Lazy::new(|| var_u8("MISE_TIMINGS"));
 pub static MISE_PID: Lazy<String> = Lazy::new(|| process::id().to_string());
 pub static __MISE_SCRIPT: Lazy<bool> = Lazy::new(|| var_is_true("__MISE_SCRIPT"));
 pub static __MISE_DIFF: Lazy<EnvDiff> = Lazy::new(get_env_diff);
-pub static __MISE_DIR: Lazy<Option<PathBuf>> = Lazy::new(|| var_path("__MISE_DIR"));
+/// the directory where hook-env was last run from
+/// prefixed with ":" so it does not conflict with zsh's auto_name_dirs feature
+pub static __MISE_DIR: Lazy<Option<PathBuf>> = Lazy::new(|| {
+    var("__MISE_DIR")
+        .map(|d| PathBuf::from(d.strip_prefix(":").unwrap_or(&d)))
+        .ok()
+});
 pub static __MISE_ORIG_PATH: Lazy<Option<String>> = Lazy::new(|| var("__MISE_ORIG_PATH").ok());
 pub static __MISE_WATCH: Lazy<Option<HookEnvWatches>> = Lazy::new(|| match var("__MISE_WATCH") {
     Ok(raw) => deserialize_watches(raw)