Fix Clippy errors (#885)

* cargo clippy --fix

* cargo fmt

src/alias.rs

@@ -17,13 +17,13 @@ pub fn create_alias(
     let alias_dir = aliases_dir.join(common_name);
 
     remove_symlink_dir(&alias_dir).ok();
-    symlink_dir(&version_dir, &alias_dir)?;
+    symlink_dir(version_dir, &alias_dir)?;
 
     Ok(())
 }
 
 pub fn list_aliases(config: &FnmConfig) -> std::io::Result<Vec<StoredAlias>> {
-    let vec: Vec<_> = std::fs::read_dir(&config.aliases_dir())?
+    let vec: Vec<_> = std::fs::read_dir(config.aliases_dir())?
         .filter_map(Result::ok)
         .filter_map(|x| TryInto::<StoredAlias>::try_into(x.path().as_path()).ok())
         .collect();

src/arch.rs

@@ -48,7 +48,7 @@ impl std::str::FromStr for Arch {
             "ppc64le" => Ok(Arch::Ppc64le),
             "ppc64" => Ok(Arch::Ppc64),
             "s390x" => Ok(Arch::S390x),
-            unknown => Err(ArchError::new(&format!("Unknown Arch: {}", unknown))),
+            unknown => Err(ArchError::new(&format!("Unknown Arch: {unknown}"))),
         }
     }
 }
@@ -65,7 +65,7 @@ impl std::fmt::Display for Arch {
             Arch::S390x => String::from("s390x"),
         };
 
-        write!(f, "{}", arch_str)
+        write!(f, "{arch_str}")
     }
 }
 

src/commands/command.rs

@@ -7,7 +7,7 @@ pub trait Command: Sized {
     fn apply(self, config: &FnmConfig) -> Result<(), Self::Error>;
 
     fn handle_error(err: Self::Error, config: &FnmConfig) {
-        let err_s = format!("{}", err);
+        let err_s = format!("{err}");
         outln!(config, Error, "{} {}", "error:".red().bold(), err_s.red());
         std::process::exit(1);
     }

src/commands/completions.rs

@@ -43,7 +43,7 @@ pub enum Error {
 fn shells_as_string() -> String {
     AVAILABLE_SHELLS
         .iter()
-        .map(|x| format!("* {}", x))
+        .map(|x| format!("* {x}"))
         .collect::<Vec<_>>()
         .join("\n")
 }

src/commands/current.rs

@@ -13,7 +13,7 @@ impl Command for Current {
             Some(ver) => ver.v_str(),
             None => "none".into(),
         };
-        println!("{}", version_string);
+        println!("{version_string}");
         Ok(())
     }
 }

src/commands/env.rs

@@ -114,7 +114,7 @@ impl Command for Env {
             println!("{}", shell.use_on_cd(config)?);
         }
         if let Some(v) = shell.rehash() {
-            println!("{}", v);
+            println!("{v}");
         }
 
         Ok(())
@@ -147,7 +147,7 @@ pub enum Error {
 fn shells_as_string() -> String {
     AVAILABLE_SHELLS
         .iter()
-        .map(|x| format!("* {}", x))
+        .map(|x| format!("* {x}"))
         .collect::<Vec<_>>()
         .join("\n")
 }

src/commands/ls_local.rs

@@ -35,12 +35,12 @@ impl super::command::Command for LsLocal {
                 }
             };
 
-            let version_str = format!("* {}{}", version, version_aliases);
+            let version_str = format!("* {version}{version_aliases}");
 
             if curr_version == Some(version) {
                 println!("{}", version_str.cyan());
             } else {
-                println!("{}", version_str);
+                println!("{version_str}");
             }
         }
         Ok(())

src/commands/ls_remote.rs

@@ -14,7 +14,7 @@ impl super::command::Command for LsRemote {
         for version in all_versions {
             print!("{}", version.version);
             if let Some(lts) = &version.lts {
-                print!(" ({})", lts);
+                print!(" ({lts})");
             }
             println!();
         }

src/commands/uninstall.rs

@@ -92,7 +92,7 @@ pub enum Error {
     CantInferVersion,
     #[error("Can't uninstall system version")]
     CantUninstallSystemVersion,
-    #[error("Too many versions had matched, please be more specific.\nFound {} matching versions, expected 1:\n{}", matched_versions.len(), matched_versions.iter().map(|v| format!("* {}", v)).collect::<Vec<_>>().join("\n"))]
+    #[error("Too many versions had matched, please be more specific.\nFound {} matching versions, expected 1:\n{}", matched_versions.len(), matched_versions.iter().map(|v| format!("* {v}")).collect::<Vec<_>>().join("\n"))]
     PleaseBeMoreSpecificToDelete { matched_versions: Vec<String> },
     #[error("Can't find a matching version")]
     CantFindVersion,

src/directory_portal.rs

@@ -57,7 +57,7 @@ mod tests {
         let tempdir = tempdir().expect("Can't generate a temp directory");
         let portal = DirectoryPortal::new_in(std::env::temp_dir(), tempdir.path().join("subdir"));
         let new_file_path = portal.to_path_buf().join("README.md");
-        std::fs::write(&new_file_path, "Hello world!").expect("Can't write file");
+        std::fs::write(new_file_path, "Hello world!").expect("Can't write file");
         let target = portal.teleport().expect("Can't close directory portal");
 
         let file_exists: Vec<_> = target

src/downloader.rs

@@ -171,8 +171,7 @@ mod tests {
         let version = Version::parse("12.0.0").unwrap();
         let arch = Arch::X64;
         let node_dist_mirror = Url::parse("https://nodejs.org/dist/").unwrap();
-        install_node_dist(&version, &node_dist_mirror, &path, &arch)
-            .expect("Can't install Node 12");
+        install_node_dist(&version, &node_dist_mirror, path, &arch).expect("Can't install Node 12");
 
         let mut location_path = path.join(version.v_str()).join("installation");
 

src/lts.rs

@@ -23,7 +23,7 @@ impl Display for LtsType {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         match self {
             Self::Latest => write!(f, "latest"),
-            Self::CodeName(s) => write!(f, "{}", s),
+            Self::CodeName(s) => write!(f, "{s}"),
         }
     }
 }

src/remote_node_index.rs

@@ -72,7 +72,7 @@ pub struct IndexedNodeVersion {
 /// use crate::remote_node_index::list;
 /// ```
 pub fn list(base_url: &Url) -> Result<Vec<IndexedNodeVersion>, crate::http::Error> {
-    let index_json_url = format!("{}/index.json", base_url);
+    let index_json_url = format!("{base_url}/index.json");
     let resp = crate::http::get(&index_json_url)?;
     let mut value: Vec<IndexedNodeVersion> = resp.json()?;
     value.sort_by(|a, b| a.version.cmp(&b.version));

src/shell/bash.rs

@@ -16,11 +16,11 @@ impl Shell for Bash {
         let path = path
             .to_str()
             .ok_or_else(|| anyhow::anyhow!("Can't convert path to string"))?;
-        Ok(format!("export PATH={:?}:$PATH", path))
+        Ok(format!("export PATH={path:?}:$PATH"))
     }
 
     fn set_env_var(&self, name: &str, value: &str) -> String {
-        format!("export {}={:?}", name, value)
+        format!("export {name}={value:?}")
     }
 
     fn use_on_cd(&self, config: &crate::config::FnmConfig) -> anyhow::Result<String> {

src/shell/fish.rs

@@ -16,11 +16,11 @@ impl Shell for Fish {
         let path = path
             .to_str()
             .ok_or_else(|| anyhow::anyhow!("Can't convert path to string"))?;
-        Ok(format!("set -gx PATH {:?} $PATH;", path))
+        Ok(format!("set -gx PATH {path:?} $PATH;"))
     }
 
     fn set_env_var(&self, name: &str, value: &str) -> String {
-        format!("set -gx {name} {value:?};", name = name, value = value)
+        format!("set -gx {name} {value:?};")
     }
 
     fn use_on_cd(&self, config: &crate::config::FnmConfig) -> anyhow::Result<String> {

src/shell/powershell.rs

@@ -22,7 +22,7 @@ impl Shell for PowerShell {
     }
 
     fn set_env_var(&self, name: &str, value: &str) -> String {
-        format!(r#"$env:{} = "{}""#, name, value)
+        format!(r#"$env:{name} = "{value}""#)
     }
 
     fn use_on_cd(&self, config: &crate::config::FnmConfig) -> anyhow::Result<String> {

src/shell/shell.rs

@@ -27,7 +27,7 @@ impl std::str::FromStr for Box<dyn Shell> {
             "bash" => Ok(Box::from(super::bash::Bash)),
             "fish" => Ok(Box::from(super::fish::Fish)),
             "powershell" => Ok(Box::from(super::powershell::PowerShell)),
-            shell_type => Err(format!("I don't know the shell type of {:?}", shell_type)),
+            shell_type => Err(format!("I don't know the shell type of {shell_type:?}",)),
         }
     }
 }

src/shell/windows_cmd/mod.rs

@@ -20,11 +20,11 @@ impl Shell for WindowsCmd {
         let new_path = new_path
             .to_str()
             .ok_or_else(|| anyhow::anyhow!("Can't convert path to string"))?;
-        Ok(format!("SET PATH={}", new_path))
+        Ok(format!("SET PATH={new_path}"))
     }
 
     fn set_env_var(&self, name: &str, value: &str) -> String {
-        format!("SET {}={}", name, value)
+        format!("SET {name}={value}")
     }
 
     fn use_on_cd(&self, config: &crate::config::FnmConfig) -> anyhow::Result<String> {
@@ -39,7 +39,7 @@ impl Shell for WindowsCmd {
         let path = path
             .to_str()
             .ok_or_else(|| anyhow::anyhow!("Can't read path to cd.cmd"))?;
-        Ok(format!("doskey cd={} $*", path,))
+        Ok(format!("doskey cd={path} $*",))
     }
 }
 

src/shell/zsh.rs

@@ -16,11 +16,11 @@ impl Shell for Zsh {
         let path = path
             .to_str()
             .ok_or_else(|| anyhow::anyhow!("Path is not valid UTF-8"))?;
-        Ok(format!("export PATH={:?}:$PATH", path))
+        Ok(format!("export PATH={path:?}:$PATH"))
     }
 
     fn set_env_var(&self, name: &str, value: &str) -> String {
-        format!("export {}={:?}", name, value)
+        format!("export {name}={value:?}")
     }
 
     fn rehash(&self) -> Option<String> {

src/user_version.rs

@@ -59,8 +59,8 @@ impl std::fmt::Display for UserVersion {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         match self {
             Self::Full(x) => x.fmt(f),
-            Self::OnlyMajor(major) => write!(f, "v{}.x.x", major),
-            Self::MajorMinor(major, minor) => write!(f, "v{}.{}.x", major, minor),
+            Self::OnlyMajor(major) => write!(f, "v{major}.x.x"),
+            Self::MajorMinor(major, minor) => write!(f, "v{major}.{minor}.x"),
         }
     }
 }

src/user_version_reader.rs

@@ -14,8 +14,8 @@ impl UserVersionReader {
     pub fn into_user_version(self, config: &FnmConfig) -> Option<UserVersion> {
         match self {
             Self::Direct(uv) => Some(uv),
-            Self::Path(pathbuf) if pathbuf.is_file() => get_user_version_for_file(&pathbuf),
-            Self::Path(pathbuf) => get_user_version_for_directory(&pathbuf, config),
+            Self::Path(pathbuf) if pathbuf.is_file() => get_user_version_for_file(pathbuf),
+            Self::Path(pathbuf) => get_user_version_for_directory(pathbuf, config),
         }
     }
 }

src/version.rs

@@ -53,7 +53,7 @@ impl Version {
     }
 
     pub fn v_str(&self) -> String {
-        format!("{}", self)
+        format!("{self}")
     }
 
     pub fn installation_path(&self, config: &config::FnmConfig) -> std::path::PathBuf {
@@ -91,9 +91,9 @@ impl std::fmt::Display for Version {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         match self {
             Self::Bypassed => write!(f, "{}", system_version::display_name()),
-            Self::Lts(lts) => write!(f, "lts-{}", lts),
-            Self::Semver(semver) => write!(f, "v{}", semver),
-            Self::Alias(alias) => write!(f, "{}", alias),
+            Self::Lts(lts) => write!(f, "lts-{lts}"),
+            Self::Semver(semver) => write!(f, "v{semver}"),
+            Self::Alias(alias) => write!(f, "{alias}"),
             Self::Latest => write!(f, "latest"),
         }
     }