From 6cd5bde550a6996c7950535eb30c6b730f3dd5e5 Mon Sep 17 00:00:00 2001
From: Michael Mueller <mich@elmueller.net>
Date: Thu, 17 Jun 2021 14:41:13 +0200
Subject: [PATCH] Fix `clippy::needless_borrow`

---
 src/cmd/build.rs     | 6 +++---
 src/cmd/metadata.rs  | 2 +-
 src/main.rs          | 2 +-
 src/validate_wasm.rs | 2 +-
 4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/cmd/build.rs b/src/cmd/build.rs
index cabdb1bd..fbbc6514 100644
--- a/src/cmd/build.rs
+++ b/src/cmd/build.rs
@@ -314,7 +314,7 @@ fn optimize_wasm(
     ));
     let _ = do_optimization(
         crate_metadata.dest_wasm.as_os_str(),
-        &dest_optimized.as_os_str(),
+        dest_optimized.as_os_str(),
         optimization_passes,
     )?;
 
@@ -530,9 +530,9 @@ pub(crate) fn execute(
     unstable_flags: UnstableFlags,
     optimization_passes: OptimizationPasses,
 ) -> Result<BuildResult> {
-    let crate_metadata = CrateMetadata::collect(&manifest_path)?;
+    let crate_metadata = CrateMetadata::collect(manifest_path)?;
 
-    assert_compatible_ink_dependencies(&manifest_path, verbosity)?;
+    assert_compatible_ink_dependencies(manifest_path, verbosity)?;
 
     let build = || -> Result<OptimizationResult> {
         maybe_println!(
diff --git a/src/cmd/metadata.rs b/src/cmd/metadata.rs
index 4fca166d..2a0d2e2b 100644
--- a/src/cmd/metadata.rs
+++ b/src/cmd/metadata.rs
@@ -158,7 +158,7 @@ fn extended_metadata(
     let repository = contract_package
         .repository
         .as_ref()
-        .map(|repo| Url::parse(&repo))
+        .map(|repo| Url::parse(repo))
         .transpose()?;
     let homepage = crate_metadata.homepage.clone();
     let license = contract_package.license.clone();
diff --git a/src/main.rs b/src/main.rs
index 5fa76b9a..4e4a565d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -338,7 +338,7 @@ impl BuildResult {
         if let Some(dest_wasm) = self.dest_wasm.as_ref() {
             let wasm = format!(
                 "  - {} (the contract's code)\n",
-                util::base_name(&dest_wasm).bold()
+                util::base_name(dest_wasm).bold()
             );
             out.push_str(&wasm);
         }
diff --git a/src/validate_wasm.rs b/src/validate_wasm.rs
index 66fc6ff2..daec2eab 100644
--- a/src/validate_wasm.rs
+++ b/src/validate_wasm.rs
@@ -146,7 +146,7 @@ fn parse_linker_error(field: &str) -> String {
     let encoded = field
         .strip_prefix(INK_ENFORCE_ERR)
         .expect("error marker must exist as prefix");
-    let hex = serde_hex::from_hex(&encoded).expect("decoding hex failed");
+    let hex = serde_hex::from_hex(encoded).expect("decoding hex failed");
     let decoded = <EnforcedErrors as codec::Decode>::decode(&mut &hex[..]).expect(
         "The `EnforcedError` object could not be decoded. The probable\
         cause is a mismatch between the ink! definition of the type and the\
-- 
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