chore: migrate to rust 2024 (#2635)

* chore: upgrade to 2024 edition

* ugh unsafe

* format

* nixxxxxxxxxxx why

4 files changed, 30 insertions, 17 deletions

diff --git a/crates/atuin-common/Cargo.toml b/crates/atuin-common/Cargo.toml
index af255ead..2ca4aa67 100644
--- a/crates/atuin-common/Cargo.toml
+++ b/crates/atuin-common/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "atuin-common"
-edition = "2021"
+edition = "2024"
 description = "common library for atuin"
 
 rust-version = { workspace = true }
diff --git a/crates/atuin-common/src/lib.rs b/crates/atuin-common/src/lib.rs
index 9a94aa62..a776f09a 100644
--- a/crates/atuin-common/src/lib.rs
+++ b/crates/atuin-common/src/lib.rs
@@ -1,4 +1,4 @@
-#![forbid(unsafe_code)]
+#![deny(unsafe_code)]
 
 /// Defines a new UUID type wrapper
 macro_rules! new_uuid {
diff --git a/crates/atuin-common/src/shell.rs b/crates/atuin-common/src/shell.rs
index 32da6a8d..0d495369 100644
--- a/crates/atuin-common/src/shell.rs
+++ b/crates/atuin-common/src/shell.rs
@@ -1,7 +1,7 @@
 use std::{ffi::OsStr, path::Path, process::Command};
 
 use serde::Serialize;
-use sysinfo::{get_current_pid, Process, System};
+use sysinfo::{Process, System, get_current_pid};
 use thiserror::Error;
 
 #[derive(PartialEq)]
diff --git a/crates/atuin-common/src/utils.rs b/crates/atuin-common/src/utils.rs
index d495de36..9a84c31b 100644
--- a/crates/atuin-common/src/utils.rs
+++ b/crates/atuin-common/src/utils.rs
@@ -2,9 +2,9 @@ use std::borrow::Cow;
 use std::env;
 use std::path::PathBuf;
 
-use eyre::{eyre, Result};
+use eyre::{Result, eyre};
 
-use base64::prelude::{Engine, BASE64_URL_SAFE_NO_PAD};
+use base64::prelude::{BASE64_URL_SAFE_NO_PAD, Engine};
 use getrandom::getrandom;
 use uuid::Uuid;
 
@@ -194,6 +194,7 @@ pub fn unquote(s: &str) -> Result<String> {
 
 impl<T: AsRef<str>> Escapable for T {}
 
+#[allow(unsafe_code)]
 #[cfg(test)]
 mod tests {
     use pretty_assertions::assert_ne;
@@ -214,36 +215,48 @@ mod tests {
     }
 
     fn test_config_dir_xdg() {
-        env::remove_var("HOME");
-        env::set_var("XDG_CONFIG_HOME", "/home/user/custom_config");
+        // TODO: Audit that the environment access only happens in single-threaded code.
+        unsafe { env::remove_var("HOME") };
+        // TODO: Audit that the environment access only happens in single-threaded code.
+        unsafe { env::set_var("XDG_CONFIG_HOME", "/home/user/custom_config") };
         assert_eq!(
             config_dir(),
             PathBuf::from("/home/user/custom_config/atuin")
         );
-        env::remove_var("XDG_CONFIG_HOME");
+        // TODO: Audit that the environment access only happens in single-threaded code.
+        unsafe { env::remove_var("XDG_CONFIG_HOME") };
     }
 
     fn test_config_dir() {
-        env::set_var("HOME", "/home/user");
-        env::remove_var("XDG_CONFIG_HOME");
+        // TODO: Audit that the environment access only happens in single-threaded code.
+        unsafe { env::set_var("HOME", "/home/user") };
+        // TODO: Audit that the environment access only happens in single-threaded code.
+        unsafe { env::remove_var("XDG_CONFIG_HOME") };
 
         assert_eq!(config_dir(), PathBuf::from("/home/user/.config/atuin"));
 
-        env::remove_var("HOME");
+        // TODO: Audit that the environment access only happens in single-threaded code.
+        unsafe { env::remove_var("HOME") };
     }
 
     fn test_data_dir_xdg() {
-        env::remove_var("HOME");
-        env::set_var("XDG_DATA_HOME", "/home/user/custom_data");
+        // TODO: Audit that the environment access only happens in single-threaded code.
+        unsafe { env::remove_var("HOME") };
+        // TODO: Audit that the environment access only happens in single-threaded code.
+        unsafe { env::set_var("XDG_DATA_HOME", "/home/user/custom_data") };
         assert_eq!(data_dir(), PathBuf::from("/home/user/custom_data/atuin"));
-        env::remove_var("XDG_DATA_HOME");
+        // TODO: Audit that the environment access only happens in single-threaded code.
+        unsafe { env::remove_var("XDG_DATA_HOME") };
     }
 
     fn test_data_dir() {
-        env::set_var("HOME", "/home/user");
-        env::remove_var("XDG_DATA_HOME");
+        // TODO: Audit that the environment access only happens in single-threaded code.
+        unsafe { env::set_var("HOME", "/home/user") };
+        // TODO: Audit that the environment access only happens in single-threaded code.
+        unsafe { env::remove_var("XDG_DATA_HOME") };
         assert_eq!(data_dir(), PathBuf::from("/home/user/.local/share/atuin"));
-        env::remove_var("HOME");
+        // TODO: Audit that the environment access only happens in single-threaded code.
+        unsafe { env::remove_var("HOME") };
     }
 
     #[test]