Reset current working directory at startup

crates/nu-cli/src/lib.rs

@@ -20,7 +20,6 @@ pub use config_files::eval_config_contents;
 pub use eval_cmds::evaluate_commands;
 pub use eval_file::evaluate_file;
 pub use menus::NuHelpCompleter;
-pub use nu_cmd_base::util::get_init_cwd;
 pub use nu_highlight::NuHighlight;
 pub use print::Print;
 pub use prompt::NushellPrompt;

crates/nu-cmd-base/src/util.rs

@@ -2,21 +2,7 @@ use nu_protocol::{
     engine::{EngineState, Stack},
     Range, ShellError, Span, Value,
 };
-use std::{ops::Bound, path::PathBuf};
-
-pub fn get_init_cwd() -> PathBuf {
-    std::env::current_dir().unwrap_or_else(|_| {
-        std::env::var("PWD")
-            .map(Into::into)
-            .unwrap_or_else(|_| nu_path::home_dir().unwrap_or_default())
-    })
-}
-
-pub fn get_guaranteed_cwd(engine_state: &EngineState, stack: &Stack) -> PathBuf {
-    engine_state
-        .cwd(Some(stack))
-        .unwrap_or(crate::util::get_init_cwd())
-}
+use std::ops::Bound;
 
 type MakeRangeError = fn(&str, Span) -> ShellError;
 

crates/nu-command/src/filesystem/cd.rs

@@ -1,4 +1,3 @@
-use nu_cmd_base::util::get_init_cwd;
 use nu_engine::command_prelude::*;
 use nu_utils::filesystem::{have_permission, PermissionResult};
 
@@ -41,9 +40,11 @@ impl Command for Cd {
         let physical = call.has_flag(engine_state, stack, "physical")?;
         let path_val: Option<Spanned<String>> = call.opt(engine_state, stack, 0)?;
 
-        // If getting PWD failed, default to the initial directory. This way, the
-        // user can use `cd` to recover PWD to a good state.
-        let cwd = engine_state.cwd(Some(stack)).unwrap_or(get_init_cwd());
+        // If getting PWD failed, default to the home directory. The user can
+        // use `cd` to reset PWD to a good state.
+        let cwd = engine_state
+            .cwd(Some(stack))
+            .unwrap_or(nu_path::home_dir().unwrap_or_default());
 
         let path_val = {
             if let Some(path) = path_val {

crates/nu-command/src/filesystem/start.rs

@@ -58,9 +58,8 @@ impl Command for Start {
             open_path(url.as_str(), engine_state, stack, path.span)?;
         } else {
             // try to distinguish between file not found and opening url without prefix
-            if let Ok(canon_path) =
-                canonicalize_with(path_no_whitespace, std::env::current_dir()?.as_path())
-            {
+            let cwd = engine_state.cwd(Some(stack))?;
+            if let Ok(canon_path) = canonicalize_with(path_no_whitespace, cwd) {
                 open_path(canon_path, engine_state, stack, path.span)?;
             } else {
                 // open crate does not allow opening URL without prefix

src/main.rs

@@ -21,7 +21,6 @@ use command::gather_commandline_args;
 use log::{trace, Level};
 use miette::Result;
 use nu_cli::gather_parent_env_vars;
-use nu_cmd_base::util::get_init_cwd;
 use nu_lsp::LanguageServer;
 use nu_path::canonicalize_with;
 use nu_protocol::{
@@ -47,6 +46,27 @@ fn get_engine_state() -> EngineState {
     nu_explore::add_explore_context(engine_state)
 }
 
+/// 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.
+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;
+    }
+    current_exe_directory()
+}
+
 fn main() -> Result<()> {
     let entire_start_time = std::time::Instant::now();
     let mut start_time = std::time::Instant::now();
@@ -57,10 +77,11 @@ fn main() -> Result<()> {
         miette_hook(x);
     }));
 
-    // Get initial current working directory.
-    let init_cwd = get_init_cwd();
     let mut engine_state = get_engine_state();
 
+    // Get the current working directory from the environment.
+    let init_cwd = current_dir_from_environment();
+
     // Custom additions
     let delta = {
         let mut working_set = nu_protocol::engine::StateWorkingSet::new(&engine_state);
@@ -328,6 +349,12 @@ fn main() -> Result<()> {
             _ => std::process::exit(1),
         }
         std::process::exit(0)
+    } else {
+        // If we're not running a testbin, set the current working directory to
+        // the location of the Nushell executable. This prevents the OS from
+        // locking the directory where the user launched Nushell.
+        std::env::set_current_dir(current_exe_directory())
+            .expect("set_current_dir() should succeed");
     }
     perf(
         "run test_bins",