Various misc clippy fixes

src/fs/feature/git.rs

@@ -121,7 +121,7 @@ impl GitRepo {
     ///
     /// The temporary `Processing` enum variant is used after the `git2`
     /// repository is moved out, but before the results have been moved in!
-    /// See https://stackoverflow.com/q/45985827/3484614
+    /// See <https://stackoverflow.com/q/45985827/3484614>
     fn search(&self, index: &Path, prefix_lookup: bool) -> f::Git {
         use std::mem::replace;
 
@@ -161,8 +161,9 @@ impl GitRepo {
             }
         };
 
-        match repo.workdir().map(|wd| wd.to_path_buf()) {
+        match repo.workdir() {
             Some(workdir) => {
+                let workdir = workdir.to_path_buf();
                 let contents = Mutex::new(GitContents::Before { repo });
                 Ok(Self { contents, workdir, original_path: path, extra_paths: Vec::new() })
             },

src/fs/feature/xattr.rs

@@ -66,7 +66,7 @@ pub fn list_attrs(lister: &lister::Lister, path: &Path) -> io::Result<Vec<Attrib
         Ordering::Greater => {},
     }
 
-    let mut buf = vec![0u8; bufsize as usize];
+    let mut buf = vec![0_u8; bufsize as usize];
     let err = lister.listxattr_second(&c_path, &mut buf, bufsize);
 
     match err.cmp(&0) {

src/fs/fields.rs

@@ -169,8 +169,8 @@ pub enum Size {
 /// The major and minor device IDs that gets displayed for device files.
 ///
 /// You can see what these device numbers mean:
-/// - http://www.lanana.org/docs/device-list/
-/// - http://www.lanana.org/docs/device-list/devices-2.6+.txt
+/// - <http://www.lanana.org/docs/device-list/>
+/// - <http://www.lanana.org/docs/device-list/devices-2.6+.txt>
 #[derive(Copy, Clone)]
 pub struct DeviceIDs {
     pub major: u8,

src/fs/filter.rs

@@ -96,7 +96,7 @@ impl FileFilter {
         files.retain(|f| !self.ignore_patterns.is_ignored(&f.name));
 
         if self.only_dirs {
-            files.retain(|f| f.is_directory());
+            files.retain(File::is_directory);
         }
     }
 
@@ -306,8 +306,8 @@ impl FromIterator<glob::Pattern> for IgnorePatterns {
 impl IgnorePatterns {
 
     /// Create a new list from the input glob strings, turning the inputs that
-    /// are valid glob patterns into an IgnorePatterns. The inputs that don’t
-    /// parse correctly are returned separately.
+    /// are valid glob patterns into an `IgnorePatterns`. The inputs that
+    /// don’t parse correctly are returned separately.
     pub fn parse_from_iter<'a, I: IntoIterator<Item = &'a str>>(iter: I) -> (Self, Vec<glob::PatternError>) {
         let iter = iter.into_iter();
 

src/options/misfire.rs

@@ -55,11 +55,7 @@ impl Misfire {
 
     /// The OS return code this misfire should signify.
     pub fn is_error(&self) -> bool {
-        match self {
-            Self::Help(_)     |
-            Self::Version(_)  => false,
-            _                 => true,
-        }
+        ! matches!(self, Self::Help(_) | Self::Version(_))
     }
 }
 

src/options/parser.rs

@@ -38,9 +38,9 @@ use crate::options::Misfire;
 pub type ShortArg = u8;
 
 /// A **long argument** is a string. This can be a UTF-8 string, even though
-/// the arguments will all be unchecked OsStrings, because we don’t actually
-/// store the user’s input after it’s been matched to a flag, we just store
-/// which flag it was.
+/// the arguments will all be unchecked `OsString` values, because we don’t
+/// actually store the user’s input after it’s been matched to a flag, we just
+/// store which flag it was.
 pub type LongArg = &'static str;
 
 /// A **list of values** that an option can have, to be displayed when the

src/options/style.rs

@@ -117,11 +117,11 @@ impl Styles {
     }
 }
 
-/// Parse the environment variables into LS_COLORS pairs, putting file glob
+/// Parse the environment variables into `LS_COLORS` pairs, putting file glob
 /// colours into the `ExtensionMappings` that gets returned, and using the
 /// two-character UI codes to modify the mutable `Colours`.
 ///
-/// Also returns if the EXA_COLORS variable should reset the existing file
+/// Also returns if the `EXA_COLORS` variable should reset the existing file
 /// type mappings or not. The `reset` code needs to be the first one.
 fn parse_color_vars<V: Vars>(vars: &V, colours: &mut Colours) -> (ExtensionMappings, bool) {
     use log::*;

src/options/vars.rs

@@ -18,7 +18,7 @@ pub static TIME_STYLE: &str = "TIME_STYLE";
 // exa-specific variables
 
 /// Environment variable used to colour exa’s interface when colours are
-/// enabled. This includes all the colours that LS_COLORS would recognise,
+/// enabled. This includes all the colours that `LS_COLORS` would recognise,
 /// overriding them if necessary. It can also contain exa-specific codes.
 pub static EXA_COLORS: &str = "EXA_COLORS";
 

src/output/cell.rs

@@ -165,7 +165,7 @@ impl TextCellContents {
     /// counting the number of characters in each unformatted ANSI string.
     pub fn width(&self) -> DisplayWidth {
         self.0.iter()
-            .map(|anstr| DisplayWidth::from(anstr.deref()))
+            .map(|anstr| DisplayWidth::from(&**anstr))
             .sum()
     }
 

src/output/render/size.rs

@@ -38,8 +38,8 @@ impl f::Size {
         };
 
         let symbol = prefix.symbol();
-        let number = if n < 10f64 { numerics.format_float(n, 1) }
-                             else { numerics.format_int(n as isize) };
+        let number = if n < 10_f64 { numerics.format_float(n, 1) }
+                              else { numerics.format_int(n as isize) };
 
         // The numbers and symbols are guaranteed to be written in ASCII, so
         // we can skip the display width calculation.