init: Remove export and unset commands

They manipulate global state and none of the init scripts use them anymore.

init/src/main.rs

@@ -93,7 +93,6 @@ fn run_command(cmd: Command, config: &mut InitConfig) {
     match cmd {
         Command::Nothing => {}
         Command::Echo(text) => println!("{text}"),
-        Command::Export(var, value) => unsafe { env::set_var(var, value) },
         Command::SwitchRoot(prefix, etcdir) => {
             switch_root(&prefix, &etcdir, config);
         }
@@ -102,11 +101,6 @@ fn run_command(cmd: Command, config: &mut InitConfig) {
                 eprintln!("init: failed to switch stdio to '{}': {}", stdio, err);
             }
         }
-        Command::Unset(envs) => {
-            for env in envs {
-                unsafe { env::remove_var(&env) };
-            }
-        }
         Command::Nowait(cmd) => {
             if config.skip_cmd.contains(&cmd.cmd) {
                 eprintln!("init: skipping '{} {}'", cmd.cmd, cmd.args.join(" "));

init/src/script.rs

@@ -46,8 +46,6 @@ pub enum Command {
 
     // Modify env
     Stdio(String),
-    Export(String, String),
-    Unset(Vec<String>),
 
     // Misc
     Echo(String),
@@ -63,20 +61,6 @@ impl Command {
 
         match cmd.as_str() {
             "echo" => Ok(Command::Echo(args.collect::<Vec<_>>().join(" "))),
-            "export" => {
-                let Some(var) = args.next() else {
-                    return Err("init: failed to export: no argument".to_owned());
-                };
-                let mut value = String::new();
-                if let Some(arg) = args.next() {
-                    value.push_str(&arg);
-                }
-                for arg in args {
-                    value.push(' ');
-                    value.push_str(&arg);
-                }
-                Ok(Command::Export(var, value))
-            }
             "switchroot" => {
                 let Some(prefix) = args.next() else {
                     return Err("init: failed to switchroot: no argument".to_owned());
@@ -95,7 +79,6 @@ impl Command {
                 };
                 Ok(Command::Stdio(stdio))
             }
-            "unset" => Ok(Command::Unset(args.collect())),
             "nowait" => Ok(Command::Nowait(Process::parse(args)?)),
             "notify" => Ok(Command::Notify(Process::parse(args)?)),
             "scheme" => {