feat: add compression and digest support with database schema updates

src/digest_engine/none.rs

@@ -1,6 +1,6 @@
+use crate::digest_engine::DigestEngine;
 use anyhow::Result;
 use std::io::{self, Write};
-use crate::digest_engine::DigestEngine;
 
 #[derive(Debug, Eq, PartialEq, Clone, Default)]
 pub struct DigestEngineNone {}
@@ -15,11 +15,11 @@ impl DigestEngine for DigestEngineNone {
     fn create(&self) -> Result<Box<dyn Write>> {
         Ok(Box::new(DummyWriter::new()))
     }
-    
+
     fn finalize(&mut self) -> io::Result<String> {
         Ok("none".to_string())
     }
-    
+
     fn update(&mut self, _data: &[u8]) {}
 }
 

src/digest_engine/program.rs

@@ -1,10 +1,10 @@
-use anyhow::{anyhow, Result, Context};
+use crate::digest_engine::ProgramWriter;
+use anyhow::{Context, Result, anyhow};
 use log::*;
 use std::env;
 use std::fs;
 use std::io;
 use std::io::Write;
-use crate::digest_engine::ProgramWriter;
 use std::os::unix::fs::PermissionsExt;
 use std::process::{Command, Stdio};
 
@@ -34,17 +34,14 @@ impl DigestEngine for DigestEngineProgram {
     fn is_supported(&self) -> bool {
         self.supported
     }
-    
+
     fn create(&self) -> Result<Box<dyn Write>> {
         debug!("DIGEST: Writting using {:?}", *self);
 
         let program = self.program.clone();
         let args = self.args.clone();
 
-        debug!(
-            "DIGEST: Executing command: {:?} {:?}",
-            program, args
-        );
+        debug!("DIGEST: Executing command: {:?} {:?}", program, args);
 
         let mut process = Command::new(program.clone())
             .args(args.clone())
@@ -65,7 +62,7 @@ impl DigestEngine for DigestEngineProgram {
     fn finalize(&mut self) -> io::Result<String> {
         Ok("program".to_string())
     }
-    
+
     fn update(&mut self, _data: &[u8]) {
         // This is handled by the ProgramWriter implementation
     }

src/digest_engine/sha2.rs

@@ -1,7 +1,7 @@
 use anyhow::Result;
-use std::io::Write;
 use sha2::{Digest, Sha256};
 use std::io;
+use std::io::Write;
 
 use crate::digest_engine::DigestEngine;
 
@@ -54,7 +54,7 @@ impl DigestEngine for DigestEngineSha256 {
         let result = self.hasher.clone().finalize();
         Ok(format!("{:x}", result))
     }
-    
+
     fn update(&mut self, data: &[u8]) {
         self.hasher.update(data);
     }