feat: fixed file management

manifest/src/bin.rs

@@ -1,7 +1,8 @@
+use std::collections::HashMap;
 use serde::{Serialize, Deserialize};
 
 #[derive(Serialize, Deserialize)]
 pub struct Bin {
     pub root: String,
-
+    pub checksums: HashMap<String, String>
 }

manifest/src/lib.rs

@@ -1,5 +1,5 @@
 use serde::{Deserialize, Serialize};
-use std::collections::HashMap;
+use std::{collections::HashMap, str::FromStr};
 
 pub mod package;
 pub mod fs;
@@ -18,6 +18,22 @@ pub struct Manifest<P = Option<pkgr::PKGR>> {
     pub pkgr: P
 }
 
+impl<T> Manifest<T> {
+    pub fn valid(&self) -> bool {
+        if self.bin.is_none() && self.build.is_none() {
+            return false
+        }
+        true
+    }
+}
+
+impl FromStr for Manifest {
+    type Err = toml::de::Error;
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        toml::from_str(s)
+    }
+}
+
 impl Default for Manifest {
     fn default() -> Self {
         Manifest {