From 292e6402cb425ad5439a3b267c52369cc951c56a Mon Sep 17 00:00:00 2001
From: Colin Casey <casey.colin@gmail.com>
Date: Thu, 29 Feb 2024 10:01:19 -0400
Subject: [PATCH] Stricter serde constraints

---
 src/aptfile.rs                   | 1 +
 src/debian.rs                    | 1 +
 src/layers/installed_packages.rs | 1 +
 3 files changed, 3 insertions(+)

diff --git a/src/aptfile.rs b/src/aptfile.rs
index 74863ca..c14df2a 100644
--- a/src/aptfile.rs
+++ b/src/aptfile.rs
@@ -4,6 +4,7 @@ use std::collections::HashSet;
 use std::str::FromStr;
 
 #[derive(Debug, Eq, PartialEq, Clone, Serialize, Deserialize)]
+#[serde(deny_unknown_fields)]
 pub(crate) struct Aptfile {
     packages: HashSet<DebianPackageName>,
 }
diff --git a/src/debian.rs b/src/debian.rs
index 24a96f2..8a41684 100644
--- a/src/debian.rs
+++ b/src/debian.rs
@@ -3,6 +3,7 @@ use std::fmt::{Display, Formatter};
 use std::str::FromStr;
 
 #[derive(Debug, Eq, PartialEq, Hash, Clone, Serialize, Deserialize)]
+#[serde(deny_unknown_fields)]
 // https://www.debian.org/doc/debian-policy/ch-controlfields.html#source
 pub(crate) struct DebianPackageName(pub(crate) String);
 
diff --git a/src/layers/installed_packages.rs b/src/layers/installed_packages.rs
index e3ad73a..d818607 100644
--- a/src/layers/installed_packages.rs
+++ b/src/layers/installed_packages.rs
@@ -66,6 +66,7 @@ impl<'a> Layer for InstalledPackagesLayer<'a> {
 }
 
 #[derive(Debug, Clone, Eq, PartialEq, Serialize, Deserialize)]
+#[serde(deny_unknown_fields)]
 pub(crate) struct InstalledPackagesMetadata {
     arch: String,
     aptfile: Aptfile,