fix: set current USER env var

README.md

@@ -107,6 +107,6 @@ You can use EnvHub as a [GitHub Action](https://github.com/tsirysndr/setup-envhu
 ```yaml
 - uses: tsirysndr/setup-envhub@v1
   with:
-    version: 'v0.2.14'
+    version: 'v0.2.15'
 - run: envhub --help
 ```

crates/cli/Cargo.toml

@@ -8,15 +8,15 @@ license = "MIT"
 name = "envhub"
 readme = "../../README.md"
 repository = "https://github.com/tsirysndr/envhub"
-version = "0.2.14"
+version = "0.2.15"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
 anyhow = "1.0.71"
 clap = "3.2.20"
 envhub-ext = {path = "../ext", version = "0.1.1"}
-envhub-hm = {path = "../hm", version = "0.2.2"}
+envhub-hm = {path = "../hm", version = "0.2.3"}
 envhub-pkgs = {path = "../pkgs", version = "0.1.2"}
 envhub-providers = {path = "../providers", version = "0.2.0"}
 envhub-stow = {path = "../stow", version = "0.1.0"}
@@ -27,3 +27,4 @@ inquire = "0.6.2"
 owo-colors = "3.5.0"
 tokio = {version = "1.28.2", features = ["full"]}
 toml = "0.7.4"
+users = "0.11.0"

crates/hm/Cargo.toml

@@ -7,7 +7,7 @@ keywords = ["nix", "shell", "environment", "dotfiles"]
 license = "MIT"
 name = "envhub-hm"
 repository = "https://github.com/tsirysndr/envhub"
-version = "0.2.2"
+version = "0.2.3"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
@@ -17,3 +17,4 @@ envhub-types = {version = "0.2.0", path = "../types"}
 indexmap = {version = "1.9.3", features = ["serde"]}
 nix-editor = "0.3.0"
 rnix = "0.11.0"
+users = "0.11.0"

crates/hm/src/nix.rs

@@ -1,8 +1,15 @@
 use std::{env, process::Command};
+use users::get_current_username;
 
 use anyhow::Error;
 
 pub fn install() -> Result<(), Error> {
+    let user = match get_current_username() {
+        Some(user) => user.to_string_lossy().to_string(),
+        None => "root".to_string(),
+    };
+
+    env::set_var("USER", user);
     env::set_var(
         "PATH",
         format!(
@@ -11,6 +18,7 @@ pub fn install() -> Result<(), Error> {
             "/nix/var/nix/profiles/default/bin"
         ),
     );
+
     let linux = match std::env::consts::OS {
         "linux" => "linux --extra-conf 'sandbox = false' --init none",
         _ => "",