upd: implementing cat-file & add readme

1 files changed, 12 insertions, 0 deletions

diff --git a/src/object.rs b/src/object.rs
index 12f83ae..8877641 100644
--- a/src/object.rs
+++ b/src/object.rs
@@ -1,3 +1,4 @@
+use std::fmt::{Display, Formatter};
 use crate::utilities::{deserialize_kv_with_message, serialize_kv_with_message};
 use crate::{create_path_or_die, die};
 use derive_is_enum_variant::is_enum_variant;
@@ -143,4 +144,15 @@ impl GitCommit {
     pub fn serialize(&self) -> Vec<u8> {
         serialize_kv_with_message(&self.header, self.message.as_str())
     }
+}
+
+impl Display for GitCommit {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        for (k, v) in self.header {
+            write!(f, "{} {}\n", k, v)?;
+        }
+        write!(f, "\n")?;
+        write!(f, "{}", self.message)?;
+        Ok(())
+    }
 }
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