Fix compression algos not being written

repak/src/footer.rs

@@ -89,8 +89,17 @@ impl Footer {
             ver if ver < Version::V8B => 4,
             _ => 5,
         };
-        for _ in 0..algo_size {
+        // TODO: handle if compression.len() > algo_size
-            writer.write_all(&[0; 32])?;
+        for i in 0..algo_size {
+            let mut name = [0; 32];
+            if let Some(algo) = self.compression.get(i) {
+                if algo != &Compression::None {
+                    for (i, b) in algo.to_string().as_bytes().iter().enumerate() {
+                        name[i] = *b;
+                    }
+                }
+            }
+            writer.write_all(&name)?;
         }
         Ok(())
     }

repak/src/pak.rs

@@ -23,6 +23,7 @@ pub struct Pak {
     version: Version,
     mount_point: String,
     index: Index,
+    compression: Vec<super::Compression>,
 }
 
 impl Pak {
@@ -31,6 +32,7 @@ impl Pak {
             version,
             mount_point,
             index: Index::new(path_hash_seed),
+            compression: vec![],
         }
     }
 }
@@ -310,6 +312,7 @@ impl Pak {
             version,
             mount_point,
             index,
+            compression: footer.compression,
         })
     }
 
@@ -440,7 +443,7 @@ impl Pak {
             index_size: index_buf.len() as u64,
             hash: index_hash,
             frozen: false,
-            compression: vec![],
+            compression: self.compression.clone(), // TODO: avoid this clone
         };
 
         footer.write(writer)?;