fix a bunch of warnings!

src/args.rs

@@ -11,50 +11,6 @@ use clap::ColorChoice;
 
 use crate::prelude::*;
 
-//#[derive(Debug, Clone, PartialEq)]
-//#[derive(clap::Args)]
-//#[group(required = true, multiple = false)]
-//pub enum Config
-//{
-//    Flake,
-//}
-
-#[derive(Debug, Clone, PartialEq)]
-pub struct NixOsOption {
-    name: String,
-    value: String,
-}
-
-#[derive(Debug, Clone, PartialEq)]
-pub struct NixOptionParseError(pub Box<str>);
-
-impl Display for NixOptionParseError {
-    fn fmt(&self, f: &mut Formatter) -> FmtResult {
-        write!(f, "{}", self.0)
-    }
-}
-
-impl From<String> for NixOptionParseError {
-    fn from(value: String) -> Self {
-        Self(value.into_boxed_str())
-    }
-}
-
-impl StdError for NixOptionParseError {}
-
-impl FromStr for NixOsOption {
-    type Err = NixOptionParseError;
-
-    fn from_str(s: &str) -> Result<Self, Self::Err> {
-        // FIXME: allow escaping equals sign?
-        let Some(delim) = s.find('=') else {
-            return Err(format!("equals sign not found in {}", s).into());
-        };
-
-        todo!();
-    }
-}
-
 #[derive(Debug, Clone, PartialEq, clap::Parser)]
 pub struct AppendCmd {
     #[arg(required = true)]
@@ -64,15 +20,10 @@ pub struct AppendCmd {
     pub value: Arc<str>,
 }
 
-#[derive(Debug, Clone, PartialEq, clap::Parser)]
-pub struct DeltaCmd {}
-
 #[derive(Debug, Clone, PartialEq, clap::Subcommand)]
 #[command(flatten_help = true)]
 pub enum Subcommand {
     Append(AppendCmd),
-    // TODO: rename
-    Delta(DeltaCmd),
 }
 
 static DEFAULT_PATH: LazyLock<Box<OsStr>> = LazyLock::new(|| {
@@ -114,16 +65,3 @@ pub struct Args {
     #[command(subcommand)]
     pub subcommand: Subcommand,
 }
-///// Flakeref to a base configuration to modify.
-//#[arg(group = "config", long, default_value("."))]
-//#[arg(long, default_value(Some(".")))]
-//flake: Option<Option<Box<OsStr>>>,
-//
-//#[arg(group = "config", long)]
-//expr: Option<String>,
-
-//impl Parser {
-//    fn eval_cmd(&self) {
-//        todo!();
-//    }
-//}

src/color.rs

@@ -2,6 +2,9 @@
 //
 // SPDX-License-Identifier: EUPL-1.1
 
+// The entire point of this module.
+#![allow(clippy::declare_interior_mutable_const)]
+
 use std::{
     env,
     sync::{LazyLock, OnceLock},
@@ -22,13 +25,7 @@ fn is_color_reqd() -> bool {
 
 fn is_clicolor_forced() -> bool {
     env::var("CLICOLOR_FORCE")
-        .map(|value| {
-            if value.is_empty() || value == "0" {
-                false
-            } else {
-                true
-            }
-        })
+        .map(|value| !(value.is_empty() || value == "0"))
         .unwrap_or(false)
 }
 

src/lib.rs

@@ -41,7 +41,7 @@ pub(crate) mod prelude {
 use prelude::*;
 
 pub mod args;
-pub use args::{AppendCmd, Args, DeltaCmd};
+pub use args::{AppendCmd, Args};
 mod color;
 pub use color::{_CLI_ENABLE_COLOR, SHOULD_COLOR};
 pub mod line;
@@ -80,11 +80,6 @@ static MK_OVERRIDE_RE: LazyLock<Regex> = LazyLock::new(|| {
     Regex::new(r"(?-u)\bmkOverride\s+\((?<priority>[\d-]+)\)").unwrap()
 });
 
-#[tracing::instrument(level = "debug")]
-pub fn do_delta(args: Arc<Args>, delta_args: DeltaCmd) -> Result<(), BoxDynError> {
-    todo!();
-}
-
 #[tracing::instrument(level = "debug")]
 pub fn do_append(args: Arc<Args>, append_args: AppendCmd) -> Result<(), BoxDynError> {
     let filepath = Path::new(&args.file);
@@ -109,9 +104,9 @@ pub fn do_append(args: Arc<Args>, append_args: AppendCmd) -> Result<(), BoxDynEr
 
     let new_pri_line = get_next_prio_line(
         source_file.clone(),
-        append_args.name.into(),
+        append_args.name,
         new_pri,
-        append_args.value.into(),
+        append_args.value,
     )?;
 
     debug!("new_pri_line={new_pri_line}");
@@ -154,7 +149,7 @@ fn maybe_extract_prio_from_line(line: &SourceLine) -> Option<i64> {
 pub fn get_where(dynamic_nix: SourceFile) -> Result<i64, BoxDynError> {
     let lines = dynamic_nix.lines()?;
     let prio = lines
-        .into_iter()
+        .iter()
         .filter_map(maybe_extract_prio_from_line)
         .sorted_unstable()
         .next() // Priorities with lower integer values are "stronger" priorities.

src/line.rs

@@ -7,7 +7,6 @@ use std::num::NonZeroU64;
 #[allow(unused_imports)]
 use crate::prelude::*;
 
-
 #[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
 pub struct Line(pub u64);
 
@@ -43,5 +42,3 @@ impl Line {
         self.0 + 1
     }
 }
-
-pub struct Lines(Vec<Line>);

src/main.rs

@@ -34,7 +34,6 @@ fn main_wrapped() -> Result<(), Box<dyn StdError + Send + Sync + 'static>> {
         use dynix::args::Subcommand::*;
         match &args.subcommand {
             Append(append_args) => dynix::do_append(args.clone(), append_args.clone())?,
-            Delta(delta_args) => dynix::do_delta(args.clone(), delta_args.clone())?,
         };
     }
 

src/source.rs

@@ -40,7 +40,7 @@ pub fn replace_file<'a>(
     drop(writer);
 
     // Rename the temporary file to the new file, which is atomic (TODO: I think).
-    fs_err::rename(&tmp_path, &path)?;
+    fs_err::rename(&tmp_path, path)?;
 
     Ok(())
 }
@@ -62,7 +62,7 @@ impl SourceLine {
     }
 
     pub fn text_bytes(&self) -> Arc<[u8]> {
-        let len: usize = self.text.as_bytes().len();
+        let len: usize = self.text.len();
 
         // We need to consume an Arc, but we are &self.
         let text = Arc::clone(&self.text);