chore: remove useless clone

Cargo.lock

@@ -2064,6 +2064,16 @@ dependencies = [
  "cfg-if",
  "cpufeatures",
  "digest 0.10.7",
+ "sha1-asm",
+]
+
+[[package]]
+name = "sha1-asm"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2ba6947745e7f86be3b8af00b7355857085dbdf8901393c89514510eb61f4e21"
+dependencies = [
+ "cc",
 ]
 
 [[package]]

Cargo.toml

@@ -22,5 +22,5 @@ num_cpus = "1"
 rand = "0.8"
 sequoia-openpgp = { git = "https://gitlab.com/sequoia-pgp/sequoia" }
 serde = { version = "1", features = ["derive"] }
-sha1 = "0.10"
+sha1 = { version = "0.10", features = ["asm"] }
 toml = "0.7"

src/main.rs

@@ -450,7 +450,6 @@ fn main() -> Result<()> {
         .context("missing timestamp")?
         .parse::<i64>()
         .context("invalid timestamp")?;
-    // let original = timestamp;
 
     let author_len = author_parts.len();
     let committer_len = committer_parts.len();
@@ -472,7 +471,6 @@ fn main() -> Result<()> {
         let timestamp = Arc::clone(&timestamp);
         let message = message.clone();
         let byte_prefix = byte_prefix.clone();
-        let nibble_values = nibble_values.clone();
         let mut author_parts = author_parts.clone();
         let mut committer_parts = committer_parts.clone();
         let mut header_lines = header_lines.clone();
@@ -630,10 +628,8 @@ fn main() -> Result<()> {
                 }
 
                 let hash = sha1.finalize_reset();
-                // let hash = data_encoding::HEXLOWER.encode(&hash);
-
                 bar.inc(1);
-                // if hash.starts_with(&prefix) {
+
                 if hash[0..byte_prefix.len()] == byte_prefix {
                     // check the nibble
                     if let Some(values) = nibble_values {