readme add

src/commands/install.rs

@@ -35,7 +35,7 @@ pub fn install(repo: &String, pkgname: &String) -> Result<(), bool> {
     hook(&repo, &pkgname);
     config(&src_dir, &pkg_md_path)?;
 
-    let src_remove_flag = match std::env::var("pkg_src_remove") {
+    let src_remove_flag = match std::env::var("src_remove") {
         Ok(value) => value != "false",
         Err(_) => true,
     };