1 files changed, 53 insertions, 0 deletions
diff --git a/crates/rebel-common/src/string_hash.rs b/crates/rebel-common/src/string_hash.rs
new file mode 100644
index 0000000..a2b00db
--- /dev/null
+++ b/crates/rebel-common/src/string_hash.rs
@@ -0,0 +1,53 @@
+use std::fmt::Display;
+
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Copy, PartialEq, Eq, Hash)]
+pub struct StringHash(pub [u8; 32]);
+
+impl Display for StringHash {
+	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+		f.write_str(&hex::encode(self.0))
+	}
+}
+
+impl std::fmt::Debug for StringHash {
+	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+		write!(f, "\"{}\"", self)
+	}
+}
+
+impl Serialize for StringHash {
+	fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+	where
+		S: serde::Serializer,
+	{
+		hex::serialize(self.0, serializer)
+	}
+}
+impl<'de> Deserialize<'de> for StringHash {
+	fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+	where
+		D: serde::Deserializer<'de>,
+	{
+		Ok(StringHash(hex::deserialize(deserializer)?))
+	}
+}
+
+macro_rules! stringhash_newtype {
+	($id:ident) => {
+		#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, Deserialize, Serialize)]
+		pub struct $id(pub StringHash);
+
+		impl Display for $id {
+			fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+				self.0.fmt(f)
+			}
+		}
+	};
+}
+
+stringhash_newtype!(InputHash);
+stringhash_newtype!(DependencyHash);
+stringhash_newtype!(LayerHash);
+stringhash_newtype!(ArchiveHash);