manifest: Implement Hash directly on Component

Signed-off-by: Daniel Silverstone <[email protected]>

src/dist/manifest.rs

@@ -15,6 +15,7 @@ use crate::utils::toml_utils::*;
 
 use crate::dist::dist::{Profile, TargetTriple};
 use std::collections::HashMap;
+use std::hash::{Hash, Hasher};
 use std::str::FromStr;
 
 pub const SUPPORTED_MANIFEST_VERSIONS: [&str; 1] = ["2"];
@@ -56,7 +57,7 @@ pub struct PackageBins {
     pub xz_hash: Option<String>,
 }
 
-#[derive(Clone, Debug, Eq, Ord, PartialOrd, Hash)]
+#[derive(Clone, Debug, Eq, Ord, PartialOrd)]
 pub struct Component {
     pkg: String,
     pub target: Option<TargetTriple>,
@@ -71,6 +72,16 @@ impl PartialEq for Component {
     }
 }
 
+impl Hash for Component {
+    fn hash<H>(&self, hasher: &mut H)
+    where
+        H: Hasher,
+    {
+        self.pkg.hash(hasher);
+        self.target.hash(hasher);
+    }
+}
+
 impl Manifest {
     pub fn parse(data: &str) -> Result<Self> {
         let value = toml::from_str(data).map_err(ErrorKind::Parsing)?;