builtins : ajout export

src/command/builtins.rs

@@ -65,3 +65,17 @@ pub(super) fn unset(args: &Vec<String>, variables: &mut Variables, exit_code: &m
 
     exit_code.set_success();
 }
+
+pub(super) fn export(args: &Vec<String>, variables: &mut Variables, exit_code: &mut ExitCode) {
+    for variable in args.iter() {
+        let assignation: Vec<&str> = variable.split('=').collect();
+
+        if assignation.len() == 2 {
+            variables.set(&assignation[0], &assignation[1]);
+        }
+
+        variables.export(&assignation[0]);
+    }
+
+    exit_code.set_success();
+}

src/command/mod.rs

@@ -30,6 +30,7 @@ impl Builtin {
             "cd" => Some(builtins::cd),
             "exit" => Some(builtins::exit),
             "unset" => Some(builtins::unset),
+            "export" => Some(builtins::export),
             ":" => Some(builtins::colon),
             _ => None,
         };

src/variables.rs

@@ -1,5 +1,5 @@
 use std::collections::HashMap;
-use std::env::{self, args};
+use std::env;
 
 pub struct Variables {
     variables: HashMap<String, String>,