diff --git a/crates/config/src/lib.rs b/crates/config/src/lib.rs
index bdbcba5..89776dc 100644
--- a/crates/config/src/lib.rs
+++ b/crates/config/src/lib.rs
@@ -8,6 +8,7 @@ mod forge_name;
 mod forge_type;
 pub mod git_dir;
 mod host_name;
+mod newtype;
 mod registered_webhook;
 mod repo_alias;
 mod repo_branches;
diff --git a/crates/config/src/newtype.rs b/crates/config/src/newtype.rs
new file mode 100644
index 0000000..df2ef6c
--- /dev/null
+++ b/crates/config/src/newtype.rs
@@ -0,0 +1,57 @@
+//
+#[macro_export]
+macro_rules! newtype {
+    ($name:ident is a $type:ty, without Display) => {
+        #[derive(
+            Clone,
+            Default,
+            Debug,
+            derive_more::From,
+            PartialEq,
+            Eq,
+            PartialOrd,
+            Ord,
+            Hash,
+            derive_more::AsRef,
+            derive_more::Deref,
+            serde::Deserialize,
+            serde::Serialize,
+        )]
+        pub struct $name($type);
+        impl $name {
+            pub fn new(value: impl Into<$type>) -> Self {
+                Self(value.into())
+            }
+            pub fn unwrap(self) -> $type {
+                self.0
+            }
+        }
+    };
+    ($name:ident is a $type:ty) => {
+        #[derive(
+            Clone,
+            Default,
+            Debug,
+            derive_more::Display,
+            derive_more::From,
+            PartialEq,
+            Eq,
+            PartialOrd,
+            Ord,
+            Hash,
+            derive_more::AsRef,
+            derive_more::Deref,
+            serde::Deserialize,
+            serde::Serialize,
+        )]
+        pub struct $name($type);
+        impl $name {
+            pub fn new(value: impl Into<$type>) -> Self {
+                Self(value.into())
+            }
+            pub fn unwrap(self) -> $type {
+                self.0
+            }
+        }
+    };
+}