Added better output in query when already in the matched directory (#463)

build.rs

@@ -9,8 +9,8 @@ fn main() {
     };
     println!("cargo:rustc-env=ZOXIDE_VERSION={version}");
 
-    // Since we are generating completions in the package directory, we need to set this so that
-    // Cargo doesn't rebuild every time.
+    // Since we are generating completions in the package directory, we need to set
+    // this so that Cargo doesn't rebuild every time.
     println!("cargo:rerun-if-changed=build.rs");
     println!("cargo:rerun-if-changed=src/");
     println!("cargo:rerun-if-changed=templates/");

contrib/completions/_zoxide

@@ -117,7 +117,7 @@ _arguments "${_arguments_options[@]}" \
 ;;
 (query)
 _arguments "${_arguments_options[@]}" \
-'--exclude=[Exclude a path from results]:path:_files -/' \
+'--exclude=[Exclude the current directory]:path:_files -/' \
 '--all[Show deleted directories]' \
 '(-l --list)-i[Use interactive selection]' \
 '(-l --list)--interactive[Use interactive selection]' \

contrib/completions/_zoxide.ps1

@@ -99,7 +99,7 @@ Register-ArgumentCompleter -Native -CommandName 'zoxide' -ScriptBlock {
             break
         }
         'zoxide;query' {
-            [CompletionResult]::new('--exclude', 'exclude', [CompletionResultType]::ParameterName, 'Exclude a path from results')
+            [CompletionResult]::new('--exclude', 'exclude', [CompletionResultType]::ParameterName, 'Exclude the current directory')
             [CompletionResult]::new('--all', 'all', [CompletionResultType]::ParameterName, 'Show deleted directories')
             [CompletionResult]::new('-i', 'i', [CompletionResultType]::ParameterName, 'Use interactive selection')
             [CompletionResult]::new('--interactive', 'interactive', [CompletionResultType]::ParameterName, 'Use interactive selection')

contrib/completions/zoxide.elv

@@ -87,7 +87,7 @@ set edit:completion:arg-completer[zoxide] = {|@words|
             cand --version 'Print version information'
         }
         &'zoxide;query'= {
-            cand --exclude 'Exclude a path from results'
+            cand --exclude 'Exclude the current directory'
             cand --all 'Show deleted directories'
             cand -i 'Use interactive selection'
             cand --interactive 'Use interactive selection'

contrib/completions/zoxide.fish

@@ -31,7 +31,7 @@ complete -c zoxide -n "__fish_seen_subcommand_from init" -l hook -d 'Changes how
 complete -c zoxide -n "__fish_seen_subcommand_from init" -l no-cmd -d 'Prevents zoxide from defining the `z` and `zi` commands'
 complete -c zoxide -n "__fish_seen_subcommand_from init" -s h -l help -d 'Print help information'
 complete -c zoxide -n "__fish_seen_subcommand_from init" -s V -l version -d 'Print version information'
-complete -c zoxide -n "__fish_seen_subcommand_from query" -l exclude -d 'Exclude a path from results' -r -f -a "(__fish_complete_directories)"
+complete -c zoxide -n "__fish_seen_subcommand_from query" -l exclude -d 'Exclude the current directory' -r -f -a "(__fish_complete_directories)"
 complete -c zoxide -n "__fish_seen_subcommand_from query" -l all -d 'Show deleted directories'
 complete -c zoxide -n "__fish_seen_subcommand_from query" -s i -l interactive -d 'Use interactive selection'
 complete -c zoxide -n "__fish_seen_subcommand_from query" -s l -l list -d 'List all matching directories'

contrib/completions/zoxide.ts

@@ -196,7 +196,7 @@ const completion: Fig.Spec = {
       options: [
         {
           name: "--exclude",
-          description: "Exclude a path from results",
+          description: "Exclude the current directory",
           isRepeatable: true,
           args: {
             name: "exclude",

rustfmt.toml

@@ -1,6 +1,5 @@
 group_imports = "StdExternalCrate"
 imports_granularity = "Module"
-max_width = 120
 newline_style = "Native"
 use_field_init_shorthand = true
 use_small_heuristics = "Max"

src/cmd/add.rs

@@ -8,8 +8,8 @@ use crate::{config, util};
 
 impl Run for Add {
     fn run(&self) -> Result<()> {
-        // These characters can't be printed cleanly to a single line, so they can cause confusion
-        // when writing to stdout.
+        // These characters can't be printed cleanly to a single line, so they can cause
+        // confusion when writing to stdout.
         const EXCLUDE_CHARS: &[char] = &['\n', '\r'];
 
         let exclude_dirs = config::exclude_dirs()?;
@@ -19,10 +19,14 @@ impl Run for Add {
         let mut db = Database::open()?;
 
         for path in &self.paths {
-            let path = if config::resolve_symlinks() { util::canonicalize } else { util::resolve_path }(path)?;
+            let path =
+                if config::resolve_symlinks() { util::canonicalize } else { util::resolve_path }(
+                    path,
+                )?;
             let path = util::path_to_str(&path)?;
 
-            // Ignore path if it contains unsupported characters, or if it's in the exclude list.
+            // Ignore path if it contains unsupported characters, or if it's in the exclude
+            // list.
             if path.contains(EXCLUDE_CHARS) || exclude_dirs.iter().any(|glob| glob.matches(path)) {
                 continue;
             }

src/cmd/cmd.rs

@@ -137,7 +137,7 @@ pub struct Query {
     #[clap(long, short)]
     pub score: bool,
 
-    /// Exclude a path from results
+    /// Exclude the current directory
     #[clap(long, value_hint = ValueHint::DirPath, value_name = "path")]
     pub exclude: Option<String>,
 }

src/cmd/edit.rs

@@ -26,7 +26,8 @@ impl Run for Edit {
 
                 let stdout = &mut io::stdout().lock();
                 for dir in db.dirs().iter().rev() {
-                    write!(stdout, "{}\0", dir.display().with_score(now).with_separator('\t')).pipe_exit("fzf")?;
+                    write!(stdout, "{}\0", dir.display().with_score(now).with_separator('\t'))
+                        .pipe_exit("fzf")?;
                 }
                 Ok(())
             }

src/cmd/import.rs

@@ -7,8 +7,9 @@ use crate::db::Database;
 
 impl Run for Import {
     fn run(&self) -> Result<()> {
-        let buffer = fs::read_to_string(&self.path)
-            .with_context(|| format!("could not open database for importing: {}", &self.path.display()))?;
+        let buffer = fs::read_to_string(&self.path).with_context(|| {
+            format!("could not open database for importing: {}", &self.path.display())
+        })?;
 
         let mut db = Database::open()?;
         if !self.merge && !db.dirs().is_empty() {
@@ -34,8 +35,9 @@ fn import_autojump(db: &mut Database, buffer: &str) -> Result<()> {
 
         let rank = split.next().with_context(|| format!("invalid entry: {line}"))?;
         let mut rank = rank.parse::<f64>().with_context(|| format!("invalid rank: {rank}"))?;
-        // Normalize the rank using a sigmoid function. Don't import actual ranks from autojump,
-        // since its scoring algorithm is very different and might take a while to get normalized.
+        // Normalize the rank using a sigmoid function. Don't import actual ranks from
+        // autojump, since its scoring algorithm is very different and might
+        // take a while to get normalized.
         rank = sigmoid(rank);
 
         let path = split.next().with_context(|| format!("invalid entry: {line}"))?;
@@ -57,7 +59,8 @@ fn import_z(db: &mut Database, buffer: &str) -> Result<()> {
         let mut split = line.rsplitn(3, '|');
 
         let last_accessed = split.next().with_context(|| format!("invalid entry: {line}"))?;
-        let last_accessed = last_accessed.parse().with_context(|| format!("invalid epoch: {last_accessed}"))?;
+        let last_accessed =
+            last_accessed.parse().with_context(|| format!("invalid epoch: {last_accessed}"))?;
 
         let rank = split.next().with_context(|| format!("invalid entry: {line}"))?;
         let rank = rank.parse().with_context(|| format!("invalid rank: {rank}"))?;

src/cmd/query.rs

@@ -1,6 +1,6 @@
 use std::io::{self, Write};
 
-use anyhow::{Context, Result};
+use anyhow::{bail, Context, Result};
 
 use crate::cmd::{Query, Run};
 use crate::config;
@@ -47,7 +47,13 @@ impl Query {
             }
         } else {
             let handle = &mut io::stdout();
-            let dir = stream.next().context("no match found")?;
+            let Some(dir) = stream.next() else {
+                bail!(if stream.did_exclude() {
+                    "you are already in the only match"
+                } else {
+                    "no match found"
+                });
+            };
             let dir = if self.score { dir.display().with_score(now) } else { dir.display() };
             writeln!(handle, "{dir}").pipe_exit("stdout")?;
         }

src/config.rs

@@ -26,7 +26,8 @@ pub fn exclude_dirs() -> Result<Vec<Pattern>> {
         Some(paths) => env::split_paths(&paths)
             .map(|path| {
                 let pattern = path.to_str().context("invalid unicode in _ZO_EXCLUDE_DIRS")?;
-                Pattern::new(pattern).with_context(|| format!("invalid glob in _ZO_EXCLUDE_DIRS: {pattern}"))
+                Pattern::new(pattern)
+                    .with_context(|| format!("invalid glob in _ZO_EXCLUDE_DIRS: {pattern}"))
             })
             .collect(),
         None => {
@@ -47,8 +48,9 @@ pub fn fzf_opts() -> Option<OsString> {
 pub fn maxage() -> Result<Rank> {
     env::var_os("_ZO_MAXAGE").map_or(Ok(10_000.0), |maxage| {
         let maxage = maxage.to_str().context("invalid unicode in _ZO_MAXAGE")?;
-        let maxage =
-            maxage.parse::<u32>().with_context(|| format!("unable to parse _ZO_MAXAGE as integer: {maxage}"))?;
+        let maxage = maxage
+            .parse::<u32>()
+            .with_context(|| format!("unable to parse _ZO_MAXAGE as integer: {maxage}"))?;
         Ok(maxage as Rank)
     })
 }

src/db/dir.rs

@@ -1,7 +1,5 @@
-use std::{
-    borrow::Cow,
-    fmt::{self, Display, Formatter},
-};
+use std::borrow::Cow;
+use std::fmt::{self, Display, Formatter};
 
 use serde::{Deserialize, Serialize};
 

src/db/mod.rs

@@ -37,13 +37,16 @@ impl Database {
         match fs::read(&path) {
             Ok(bytes) => Self::try_new(path, bytes, |bytes| Self::deserialize(bytes), false),
             Err(e) if e.kind() == io::ErrorKind::NotFound => {
-                // Create data directory, but don't create any file yet. The file will be created
-                // later by [`Database::save`] if any data is modified.
-                fs::create_dir_all(data_dir)
-                    .with_context(|| format!("unable to create data directory: {}", data_dir.display()))?;
+                // Create data directory, but don't create any file yet. The file will be
+                // created later by [`Database::save`] if any data is modified.
+                fs::create_dir_all(data_dir).with_context(|| {
+                    format!("unable to create data directory: {}", data_dir.display())
+                })?;
                 Ok(Self::new(path, Vec::new(), |_| Vec::new(), false))
             }
-            Err(e) => Err(e).with_context(|| format!("could not read from database: {}", path.display())),
+            Err(e) => {
+                Err(e).with_context(|| format!("could not read from database: {}", path.display()))
+            }
         }
     }
 
@@ -64,7 +67,9 @@ impl Database {
     pub fn add(&mut self, path: impl AsRef<str> + Into<String>, by: Rank, now: Epoch) {
         self.with_dirs_mut(|dirs| match dirs.iter_mut().find(|dir| dir.path == path.as_ref()) {
             Some(dir) => dir.rank = (dir.rank + by).max(0.0),
-            None => dirs.push(Dir { path: path.into().into(), rank: by.max(0.0), last_accessed: now }),
+            None => {
+                dirs.push(Dir { path: path.into().into(), rank: by.max(0.0), last_accessed: now })
+            }
         });
         self.with_dirty_mut(|dirty| *dirty = true);
     }
@@ -73,7 +78,9 @@ impl Database {
     /// directory is always in the database, it is expected that the user either
     /// does a check before calling this, or calls `dedup()` afterward.
     pub fn add_unchecked(&mut self, path: impl AsRef<str> + Into<String>, rank: Rank, now: Epoch) {
-        self.with_dirs_mut(|dirs| dirs.push(Dir { path: path.into().into(), rank, last_accessed: now }));
+        self.with_dirs_mut(|dirs| {
+            dirs.push(Dir { path: path.into().into(), rank, last_accessed: now })
+        });
         self.with_dirty_mut(|dirty| *dirty = true);
     }
 
@@ -85,7 +92,9 @@ impl Database {
                 dir.rank = (dir.rank + by).max(0.0);
                 dir.last_accessed = now;
             }
-            None => dirs.push(Dir { path: path.into().into(), rank: by.max(0.0), last_accessed: now }),
+            None => {
+                dirs.push(Dir { path: path.into().into(), rank: by.max(0.0), last_accessed: now })
+            }
         });
         self.with_dirty_mut(|dirty| *dirty = true);
     }
@@ -166,7 +175,9 @@ impl Database {
 
     pub fn sort_by_score(&mut self, now: Epoch) {
         self.with_dirs_mut(|dirs| {
-            dirs.sort_unstable_by(|dir1: &Dir, dir2: &Dir| dir1.score(now).total_cmp(&dir2.score(now)))
+            dirs.sort_unstable_by(|dir1: &Dir, dir2: &Dir| {
+                dir1.score(now).total_cmp(&dir2.score(now))
+            })
         });
         self.with_dirty_mut(|dirty| *dirty = true);
     }
@@ -182,7 +193,8 @@ impl Database {
     fn serialize(dirs: &[Dir<'_>]) -> Result<Vec<u8>> {
         (|| -> bincode::Result<_> {
             // Preallocate buffer with combined size of sections.
-            let buffer_size = bincode::serialized_size(&Self::VERSION)? + bincode::serialized_size(&dirs)?;
+            let buffer_size =
+                bincode::serialized_size(&Self::VERSION)? + bincode::serialized_size(&dirs)?;
             let mut buffer = Vec::with_capacity(buffer_size as usize);
 
             // Serialize sections into buffer.
@@ -195,8 +207,8 @@ impl Database {
     }
 
     fn deserialize(bytes: &[u8]) -> Result<Vec<Dir>> {
-        // Assume a maximum size for the database. This prevents bincode from throwing strange
-        // errors when it encounters invalid data.
+        // Assume a maximum size for the database. This prevents bincode from throwing
+        // strange errors when it encounters invalid data.
         const MAX_SIZE: u64 = 32 << 20; // 32 MiB
         let deserializer = &mut bincode::options().with_fixint_encoding().with_limit(MAX_SIZE);
 
@@ -210,7 +222,9 @@ impl Database {
         // Deserialize sections.
         let version = deserializer.deserialize(bytes_version)?;
         let dirs = match version {
-            Self::VERSION => deserializer.deserialize(bytes_dirs).context("could not deserialize database")?,
+            Self::VERSION => {
+                deserializer.deserialize(bytes_dirs).context("could not deserialize database")?
+            }
             version => {
                 bail!("unsupported version (got {version}, supports {})", Self::VERSION)
             }

src/db/stream.rs

@@ -6,8 +6,12 @@ use crate::db::{Database, Dir, Epoch};
 use crate::util::{self, MONTH};
 
 pub struct Stream<'a> {
+    // State
     db: &'a mut Database,
     idxs: Rev<Range<usize>>,
+    did_exclude: bool,
+
+    // Configuration
     keywords: Vec<String>,
     check_exists: bool,
     expire_below: Epoch,
@@ -27,6 +31,7 @@ impl<'a> Stream<'a> {
         Stream {
             db,
             idxs,
+            did_exclude: false,
             keywords: Vec::new(),
             check_exists: false,
             expire_below,
@@ -67,6 +72,7 @@ impl<'a> Stream<'a> {
             }
 
             if Some(dir.path.as_ref()) == self.exclude_path.as_deref() {
+                self.did_exclude = true;
                 continue;
             }
 
@@ -77,6 +83,10 @@ impl<'a> Stream<'a> {
         None
     }
 
+    pub fn did_exclude(&self) -> bool {
+        self.did_exclude
+    }
+
     fn matches_exists(&self, path: &str) -> bool {
         if !self.check_exists {
             return true;

src/shell.rs

@@ -98,14 +98,21 @@ mod tests {
         let opts = Opts { cmd, hook, echo, resolve_symlinks };
         let mut source = String::new();
 
-        // Filter out lines using edit:*, since those functions are only available in the
-        // interactive editor.
-        for line in Elvish(&opts).render().unwrap().split('\n').filter(|line| !line.contains("edit:")) {
+        // Filter out lines using edit:*, since those functions are only available in
+        // the interactive editor.
+        for line in
+            Elvish(&opts).render().unwrap().split('\n').filter(|line| !line.contains("edit:"))
+        {
             source.push_str(line);
             source.push('\n');
         }
 
-        Command::new("elvish").args(["-c", &source, "-norc"]).assert().success().stdout("").stderr("");
+        Command::new("elvish")
+            .args(["-c", &source, "-norc"])
+            .assert()
+            .success()
+            .stdout("")
+            .stderr("");
     }
 
     #[apply(opts)]
@@ -151,8 +158,12 @@ mod tests {
         let tempdir = tempfile::tempdir().unwrap();
         let tempdir = tempdir.path();
 
-        let assert =
-            Command::new("nu").env("HOME", tempdir).args(["--commands", &source]).assert().success().stderr("");
+        let assert = Command::new("nu")
+            .env("HOME", tempdir)
+            .args(["--commands", &source])
+            .assert()
+            .success()
+            .stderr("");
 
         if opts.hook != InitHook::Pwd {
             assert.stdout("");
@@ -179,7 +190,8 @@ mod tests {
         let opts = Opts { cmd, hook, echo, resolve_symlinks };
         let source = Posix(&opts).render().unwrap();
 
-        let assert = Command::new("dash").args(["-e", "-u", "-c", &source]).assert().success().stderr("");
+        let assert =
+            Command::new("dash").args(["-e", "-u", "-c", &source]).assert().success().stderr("");
         if opts.hook != InitHook::Pwd {
             assert.stdout("");
         }
@@ -234,7 +246,12 @@ mod tests {
         let mut source = Xonsh(&opts).render().unwrap();
         source.push('\n');
 
-        Command::new("black").args(["--check", "--diff", "-"]).write_stdin(source).assert().success().stdout("");
+        Command::new("black")
+            .args(["--check", "--diff", "-"])
+            .write_stdin(source)
+            .assert()
+            .success()
+            .stdout("");
     }
 
     #[apply(opts)]

src/util.rs

@@ -159,7 +159,9 @@ pub fn write(path: impl AsRef<Path>, contents: impl AsRef<[u8]>) -> Result<()> {
     let result = (|| {
         // Write to the tmpfile.
         let _ = tmp_file.set_len(contents.len() as u64);
-        tmp_file.write_all(contents).with_context(|| format!("could not write to file: {}", tmp_path.display()))?;
+        tmp_file
+            .write_all(contents)
+            .with_context(|| format!("could not write to file: {}", tmp_path.display()))?;
 
         // Set the owner of the tmpfile (UNIX only).
         #[cfg(unix)]
@@ -224,16 +226,21 @@ fn rename(from: impl AsRef<Path>, to: impl AsRef<Path>) -> Result<()> {
 
     loop {
         match fs::rename(from, to) {
-            Err(e) if e.kind() == io::ErrorKind::PermissionDenied && attempts < MAX_ATTEMPTS => attempts += 1,
+            Err(e) if e.kind() == io::ErrorKind::PermissionDenied && attempts < MAX_ATTEMPTS => {
+                attempts += 1
+            }
             result => {
-                break result.with_context(|| format!("could not rename file: {} -> {}", from.display(), to.display()))
+                break result.with_context(|| {
+                    format!("could not rename file: {} -> {}", from.display(), to.display())
+                });
             }
         }
     }
 }
 
 pub fn canonicalize(path: impl AsRef<Path>) -> Result<PathBuf> {
-    dunce::canonicalize(&path).with_context(|| format!("could not resolve path: {}", path.as_ref().display()))
+    dunce::canonicalize(&path)
+        .with_context(|| format!("could not resolve path: {}", path.as_ref().display()))
 }
 
 pub fn current_dir() -> Result<PathBuf> {
@@ -241,8 +248,10 @@ pub fn current_dir() -> Result<PathBuf> {
 }
 
 pub fn current_time() -> Result<Epoch> {
-    let current_time =
-        SystemTime::now().duration_since(SystemTime::UNIX_EPOCH).context("system clock set to invalid time")?.as_secs();
+    let current_time = SystemTime::now()
+        .duration_since(SystemTime::UNIX_EPOCH)
+        .context("system clock set to invalid time")?
+        .as_secs();
 
     Ok(current_time)
 }
@@ -252,8 +261,8 @@ pub fn path_to_str(path: &impl AsRef<Path>) -> Result<&str> {
     path.to_str().with_context(|| format!("invalid unicode in path: {}", path.display()))
 }
 
-/// Returns the absolute version of a path. Like [`std::path::Path::canonicalize`], but doesn't
-/// resolve symlinks.
+/// Returns the absolute version of a path. Like
+/// [`std::path::Path::canonicalize`], but doesn't resolve symlinks.
 pub fn resolve_path(path: impl AsRef<Path>) -> Result<PathBuf> {
     let path = path.as_ref();
     let base_path;
@@ -271,7 +280,9 @@ pub fn resolve_path(path: impl AsRef<Path>) -> Result<PathBuf> {
 
             match components.next() {
                 Some(Component::Prefix(prefix)) => match prefix.kind() {
-                    Prefix::Disk(drive_letter) | Prefix::VerbatimDisk(drive_letter) => Some(drive_letter),
+                    Prefix::Disk(drive_letter) | Prefix::VerbatimDisk(drive_letter) => {
+                        Some(drive_letter)
+                    }
                     _ => None,
                 },
                 _ => None,
@@ -324,8 +335,9 @@ pub fn resolve_path(path: impl AsRef<Path>) -> Result<PathBuf> {
                 components.next();
 
                 let current_dir = env::current_dir()?;
-                let drive_letter = get_drive_letter(&current_dir)
-                    .with_context(|| format!("could not get drive letter: {}", current_dir.display()))?;
+                let drive_letter = get_drive_letter(&current_dir).with_context(|| {
+                    format!("could not get drive letter: {}", current_dir.display())
+                })?;
                 base_path = get_drive_path(drive_letter);
                 stack.extend(base_path.components());
             }
@@ -361,9 +373,5 @@ pub fn resolve_path(path: impl AsRef<Path>) -> Result<PathBuf> {
 /// Convert a string to lowercase, with a fast path for ASCII strings.
 pub fn to_lowercase(s: impl AsRef<str>) -> String {
     let s = s.as_ref();
-    if s.is_ascii() {
-        s.to_ascii_lowercase()
-    } else {
-        s.to_lowercase()
-    }
+    if s.is_ascii() { s.to_ascii_lowercase() } else { s.to_lowercase() }
 }

tests/completions.rs

@@ -6,12 +6,17 @@ use assert_cmd::Command;
 #[test]
 fn completions_bash() {
     let source = include_str!("../contrib/completions/zoxide.bash");
-    Command::new("bash").args(["--noprofile", "--norc", "-c", source]).assert().success().stdout("").stderr("");
+    Command::new("bash")
+        .args(["--noprofile", "--norc", "-c", source])
+        .assert()
+        .success()
+        .stdout("")
+        .stderr("");
 }
 
-// Elvish: the completions file uses editor commands to add completions to the shell. However,
-// Elvish does not support running editor commands from a script, so we can't create a test for
-// this. See: https://github.com/elves/elvish/issues/1299
+// Elvish: the completions file uses editor commands to add completions to the
+// shell. However, Elvish does not support running editor commands from a
+// script, so we can't create a test for this. See: https://github.com/elves/elvish/issues/1299
 
 #[test]
 fn completions_fish() {

xtask/src/main.rs

@@ -9,8 +9,11 @@ use ignore::Walk;
 
 fn main() -> Result<()> {
     let dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
-    let dir = dir.parent().with_context(|| format!("could not find workspace root: {}", dir.display()))?;
-    env::set_current_dir(dir).with_context(|| format!("could not set current directory: {}", dir.display()))?;
+    let dir = dir
+        .parent()
+        .with_context(|| format!("could not find workspace root: {}", dir.display()))?;
+    env::set_current_dir(dir)
+        .with_context(|| format!("could not set current directory: {}", dir.display()))?;
     let nix_enabled = enable_nix();
 
     let app = App::parse();
@@ -55,7 +58,10 @@ impl CommandExt for &mut Command {
 
 fn run_ci(nix_enabled: bool) -> Result<()> {
     // Run cargo-clippy.
-    Command::new("cargo").args(["clippy", "--all-features", "--all-targets"]).args(["--", "-Dwarnings"]).run()?;
+    Command::new("cargo")
+        .args(["clippy", "--all-features", "--all-targets"])
+        .args(["--", "-Dwarnings"])
+        .run()?;
     run_fmt(nix_enabled, true)?;
     run_lint(nix_enabled)?;
     run_tests(nix_enabled, "")
@@ -63,8 +69,9 @@ fn run_ci(nix_enabled: bool) -> Result<()> {
 
 fn run_fmt(nix_enabled: bool, check: bool) -> Result<()> {
     // Run cargo-fmt.
-    // let check_args: &[&str] = if check { &["--check", "--files-with-diff"] } else { &[] };
-    // Command::new("cargo").args(&["fmt", "--all", "--"]).args(check_args).run()?;
+    // let check_args: &[&str] = if check {&["--check", "--files-with-diff"] } else
+    // { &[] }; Command::new("cargo").args(&["fmt", "--all",
+    // "--"]).args(check_args).run()?;
 
     // Run nixfmt.
     if nix_enabled {
@@ -119,7 +126,8 @@ fn enable_nix() -> bool {
     if nix_enabled {
         return true;
     }
-    let nix_detected = Command::new("nix-shell").arg("--version").status().map(|s| s.success()).unwrap_or(false);
+    let nix_detected =
+        Command::new("nix-shell").arg("--version").status().map(|s| s.success()).unwrap_or(false);
     if !nix_detected {
         return false;
     }
@@ -128,6 +136,9 @@ fn enable_nix() -> bool {
     let args = env::args();
     let cmd = shell_words::join(args);
 
-    let status = Command::new("nix-shell").args(["--pure", "--run", &cmd, "--", "shell.nix"]).status().unwrap();
+    let status = Command::new("nix-shell")
+        .args(["--pure", "--run", &cmd, "--", "shell.nix"])
+        .status()
+        .unwrap();
     process::exit(status.code().unwrap_or(1));
 }