fix: 🐛 Ensure code is working with nu 0.99.0 again

Cargo.toml

@@ -27,6 +27,7 @@ nu-utils = "0.99.0"
 thiserror = "1.0.59"
 miette = { version = "7.2", features = ["fancy-no-backtrace", "fancy"] }
 nu-ansi-term = "0.50.1"
+nu-path = "0.99.0"
 
 [target.'cfg(not(target_os = "windows"))'.dependencies]
 openssl = { version = "0.10", features = ["vendored"], optional = true }

src/engine.rs

@@ -4,7 +4,7 @@ use crate::errors::{NurError, NurResult};
 use crate::names::{
     NUR_ENV_NUR_TASK_CALL, NUR_ENV_NUR_TASK_NAME, NUR_ENV_NUR_VERSION, NUR_ENV_NU_LIB_DIRS,
     NUR_NAME, NUR_VAR_CONFIG_DIR, NUR_VAR_DEFAULT_LIB_DIR, NUR_VAR_PROJECT_PATH, NUR_VAR_RUN_PATH,
-    NUR_VAR_TASK_NAME, NUSHELL_FOLDER,
+    NUR_VAR_TASK_NAME,
 };
 use crate::nu_version::NU_VERSION;
 use crate::scripts::{get_default_nur_config, get_default_nur_env};
@@ -312,8 +312,8 @@ impl NurEngine {
         // Merge env is requested
         if merge_env {
             match self.engine_state.cwd(Some(&self.stack)) {
-                Ok(cwd) => {
-                    if let Err(e) = self.engine_state.merge_env(&mut self.stack, cwd) {
+                Ok(_cwd) => {
+                    if let Err(e) = self.engine_state.merge_env(&mut self.stack) {
                         report_shell_error(&self.engine_state, &e);
                     }
                 }
@@ -412,7 +412,6 @@ impl NurEngine {
         match evaluate_repl(
             &mut self.engine_state,
             self.stack.clone(),
-            NUSHELL_FOLDER,
             None,
             None,
             std::time::Instant::now(),

src/main.rs

@@ -14,17 +14,17 @@ use crate::compat::show_nurscripts_hint;
 use crate::engine::init_engine_state;
 use crate::engine::NurEngine;
 use crate::errors::NurError;
+use crate::path::current_dir_from_environment;
 use crate::state::NurState;
 use miette::Result;
 use nu_ansi_term::Color;
-use nu_cmd_base::util::get_init_cwd;
 use nu_protocol::{ByteStream, PipelineData, Span};
 use std::env;
 use std::process::ExitCode;
 
 fn main() -> Result<ExitCode, miette::ErrReport> {
     // Initialise nur state
-    let run_path = get_init_cwd().into_std_path_buf();
+    let run_path = current_dir_from_environment();
     let nur_state = NurState::new(run_path, env::args().collect())?;
 
     // Create raw nu engine state

src/names.rs

@@ -22,6 +22,3 @@ pub(crate) const NUR_VAR_DEFAULT_LIB_DIR: &str = "default-lib-dir";
 // nurfile names
 pub(crate) const NUR_FILE: &str = "nurfile";
 pub(crate) const NUR_LOCAL_FILE: &str = "nurfile.local";
-
-// nu shell consts
-pub(crate) const NUSHELL_FOLDER: &str = "nushell"; // nu-cli -> config_files.rs, used for REPL

src/path.rs

@@ -1,6 +1,27 @@
 use crate::names::NUR_FILE;
 use std::path::{Path, PathBuf};
 
+/// Get the directory where the Nushell executable is located.
+fn current_exe_directory() -> PathBuf {
+    let mut path = std::env::current_exe().expect("current_exe() should succeed");
+    path.pop();
+    path
+}
+
+/// Get the current working directory from the environment.
+pub(crate) fn current_dir_from_environment() -> PathBuf {
+    if let Ok(cwd) = std::env::current_dir() {
+        return cwd;
+    }
+    if let Ok(cwd) = std::env::var("PWD") {
+        return cwd.into();
+    }
+    if let Some(home) = nu_path::home_dir() {
+        return home.into_std_path_buf();
+    }
+    current_exe_directory()
+}
+
 pub(crate) fn find_project_path<P: AsRef<Path>>(cwd: P) -> Option<PathBuf> {
     let mut path = cwd.as_ref();