deinit existing_cmds (not long lived)

src/main.zig

@@ -30,12 +30,6 @@ pub fn doRepl(allocator: *std.mem.Allocator, args_it: var) !void {
     var file_read = try std.fs.File.openRead(scri_path);
     const total_bytes = try file_read.getEndPos();
 
-    // the thing here is that 'load :0' would load the scri_path, since we
-    // now have a 'repl' argument right before it. to counteract that, the
-    // initial repl buffer contains 'load :1' instead.
-
-    // TODO load should -1 the index if its on repl
-
     var cmds = langs.CommandList.init(allocator);
     defer cmds.deinit();
 
@@ -43,10 +37,15 @@ pub fn doRepl(allocator: *std.mem.Allocator, args_it: var) !void {
     defer lang.deinit();
 
     if (total_bytes > 0) {
-        // those MUST BE long lived, we can't defer them here
+        // this MUST BE long lived (a reference to it is kept inside
+        // existing_cmds, and then passed along to cmds),
+        // we can't defer them here
         var scri_existing = try allocator.alloc(u8, total_bytes);
         _ = try file_read.read(scri_existing);
+
+        // we can defer this because we copy the Command structs back to cmds
         var existing_cmds = try lang.parse(scri_existing);
+        defer existing_cmds.deinit();
 
         // copy the existing command list into the repl's command list
         var it = existing_cmds.iterator();
@@ -56,8 +55,9 @@ pub fn doRepl(allocator: *std.mem.Allocator, args_it: var) !void {
     } else {
         // if there isn't any commands on the file, we load our default
         // 'load :1' command
+
+        // TODO load should +1 the index if its on repl
         var loadargs = langs.ArgList.init(allocator);
-        // defer loadargs.deinit();
         try loadargs.append(":1");
 
         try cmds.append(langs.Command{