style: Inline fmt args

crates/snapbox/src/assert/error.rs

@@ -38,7 +38,7 @@ impl std::fmt::Display for Error {
         if let Some(backtrace) = self.backtrace.as_ref() {
             writeln!(f)?;
             writeln!(f, "Backtrace:")?;
-            writeln!(f, "{}", backtrace)?;
+            writeln!(f, "{backtrace}")?;
         }
         Ok(())
     }

crates/snapbox/src/assert/mod.rs

@@ -168,7 +168,7 @@ impl Assert {
                     crate::report::Styled::new(String::new(), Default::default())
                 } else if let Some(action_var) = self.action_var.as_deref() {
                     self.palette
-                        .hint(format!("Update with {}=overwrite", action_var))
+                        .hint(format!("Update with {action_var}=overwrite"))
                 } else {
                     crate::report::Styled::new(String::new(), Default::default())
                 };
@@ -338,7 +338,7 @@ impl Assert {
             }
             if ok {
                 use std::io::Write;
-                let _ = write!(stderr(), "{}", buffer);
+                let _ = write!(stderr(), "{buffer}");
                 match self.action {
                     Action::Skip => unreachable!("Bailed out earlier"),
                     Action::Ignore => {
@@ -365,7 +365,7 @@ impl Assert {
                                 &mut buffer,
                                 "{}",
                                 self.palette
-                                    .hint(format_args!("Update with {}=overwrite", action_var))
+                                    .hint(format_args!("Update with {action_var}=overwrite"))
                             )
                             .unwrap();
                         }

crates/snapbox/src/bin/snap-fixture.rs

@@ -8,15 +8,15 @@ use std::process;
 
 fn run() -> Result<(), Box<dyn Error>> {
     if let Ok(text) = env::var("stdout") {
-        println!("{}", text);
+        println!("{text}");
     }
     if let Ok(text) = env::var("stderr") {
-        eprintln!("{}", text);
+        eprintln!("{text}");
     }
 
     if env::var("echo_large").as_deref() == Ok("1") {
         for i in 0..(128 * 1024) {
-            println!("{}", i);
+            println!("{i}");
         }
     }
 
@@ -33,7 +33,7 @@ fn run() -> Result<(), Box<dyn Error>> {
 
     if let Ok(path) = env::var("cat") {
         let text = std::fs::read_to_string(path).unwrap();
-        eprintln!("{}", text);
+        eprintln!("{text}");
     }
 
     if let Some(timeout) = env::var("sleep").ok().and_then(|s| s.parse().ok()) {
@@ -53,7 +53,7 @@ fn main() {
     let code = match run() {
         Ok(_) => 0,
         Err(ref e) => {
-            write!(&mut io::stderr(), "{}", e).expect("writing to stderr won't fail");
+            write!(&mut io::stderr(), "{e}").expect("writing to stderr won't fail");
             1
         }
     };

crates/snapbox/src/cmd.rs

@@ -496,7 +496,7 @@ impl OutputAssert {
 
             use std::fmt::Write;
             let mut buf = String::new();
-            writeln!(&mut buf, "{}", desc).unwrap();
+            writeln!(&mut buf, "{desc}").unwrap();
             self.write_stdout(&mut buf).unwrap();
             self.write_stderr(&mut buf).unwrap();
             panic!("{}", buf);
@@ -526,7 +526,7 @@ impl OutputAssert {
 
             use std::fmt::Write;
             let mut buf = String::new();
-            writeln!(&mut buf, "{}", desc).unwrap();
+            writeln!(&mut buf, "{desc}").unwrap();
             self.write_stdout(&mut buf).unwrap();
             self.write_stderr(&mut buf).unwrap();
             panic!("{}", buf);
@@ -548,7 +548,7 @@ impl OutputAssert {
 
             use std::fmt::Write;
             let mut buf = String::new();
-            writeln!(&mut buf, "{}", desc).unwrap();
+            writeln!(&mut buf, "{desc}").unwrap();
             self.write_stdout(&mut buf).unwrap();
             self.write_stderr(&mut buf).unwrap();
             panic!("{}", buf);
@@ -580,7 +580,7 @@ impl OutputAssert {
 
             use std::fmt::Write;
             let mut buf = String::new();
-            writeln!(&mut buf, "{}", desc).unwrap();
+            writeln!(&mut buf, "{desc}").unwrap();
             self.write_stdout(&mut buf).unwrap();
             self.write_stderr(&mut buf).unwrap();
             panic!("{}", buf);
@@ -761,7 +761,7 @@ pub fn display_exit_status(status: std::process::ExitStatus) -> String {
             libc::SIGTRAP => ", SIGTRAP: trace/breakpoint trap",
             _ => "",
         };
-        Some(format!("signal: {}{}", signal, name))
+        Some(format!("signal: {signal}{name}"))
     }
 
     #[cfg(windows)]
@@ -914,8 +914,7 @@ pub(crate) mod examples {
         }
 
         Err(crate::assert::Error::new(format!(
-            "Unknown error building example {}",
-            target_name
+            "Unknown error building example {target_name}"
         )))
     }
 

crates/snapbox/src/data/mod.rs

@@ -38,7 +38,7 @@ pub trait ToDebug {
 
 impl<D: std::fmt::Debug> ToDebug for D {
     fn to_debug(&self) -> Data {
-        Data::text(format!("{:#?}\n", self))
+        Data::text(format!("{self:#?}\n"))
     }
 }
 

crates/snapbox/src/filter/pattern.rs

@@ -625,7 +625,7 @@ mod test {
         ];
         for (line, pattern, expected) in cases {
             let actual = line_matches(line, pattern, &Redactions::new());
-            assert_eq!(expected, actual, "line={:?}  pattern={:?}", line, pattern);
+            assert_eq!(expected, actual, "line={line:?}  pattern={pattern:?}");
         }
     }
 }

crates/snapbox/src/filter/redactions.rs

@@ -327,14 +327,14 @@ fn replace_many<'a>(
 
 fn validate_placeholder(placeholder: &'static str) -> crate::assert::Result<&'static str> {
     if !placeholder.starts_with('[') || !placeholder.ends_with(']') {
-        return Err(format!("Key `{}` is not enclosed in []", placeholder).into());
+        return Err(format!("Key `{placeholder}` is not enclosed in []").into());
     }
 
     if placeholder[1..(placeholder.len() - 1)]
         .find(|c: char| !c.is_ascii_uppercase() && c != '_')
         .is_some()
     {
-        return Err(format!("Key `{}` can only be A-Z but ", placeholder).into());
+        return Err(format!("Key `{placeholder}` can only be A-Z but ").into());
     }
 
     Ok(placeholder)
@@ -356,7 +356,7 @@ mod test {
         ];
         for (placeholder, expected) in cases {
             let actual = validate_placeholder(placeholder).is_ok();
-            assert_eq!(expected, actual, "placeholder={:?}", placeholder);
+            assert_eq!(expected, actual, "placeholder={placeholder:?}");
         }
     }
 }

crates/trycmd/src/bin/bin-fixture.rs

@@ -6,15 +6,15 @@ use std::process;
 
 fn run() -> Result<(), Box<dyn Error>> {
     if let Ok(text) = env::var("stdout") {
-        println!("{}", text);
+        println!("{text}");
     }
     if let Ok(text) = env::var("stderr") {
-        eprintln!("{}", text);
+        eprintln!("{text}");
     }
 
     if env::var("echo_large").as_deref() == Ok("1") {
         for i in 0..(128 * 1024) {
-            println!("{}", i);
+            println!("{i}");
         }
     }
 
@@ -31,7 +31,7 @@ fn run() -> Result<(), Box<dyn Error>> {
 
     if let Ok(path) = env::var("cat") {
         let text = std::fs::read_to_string(path).unwrap();
-        eprintln!("{}", text);
+        eprintln!("{text}");
     }
 
     if let Some(timeout) = env::var("sleep").ok().and_then(|s| s.parse().ok()) {
@@ -55,7 +55,7 @@ fn main() {
     let code = match run() {
         Ok(_) => 0,
         Err(ref e) => {
-            write!(&mut io::stderr(), "{}", e).expect("writing to stderr won't fail");
+            write!(&mut io::stderr(), "{e}").expect("writing to stderr won't fail");
             1
         }
     };

crates/trycmd/src/runner.rs

@@ -179,7 +179,7 @@ impl Case {
             Err(e) => {
                 let output = Output::step(self.path.clone(), "setup".into());
                 return vec![Err(
-                    output.error(format!("Failed to initialize sandbox: {}", e).into())
+                    output.error(format!("Failed to initialize sandbox: {e}").into())
                 )];
             }
         };
@@ -283,7 +283,7 @@ impl Case {
             if let Err(err) = fs_context.close() {
                 ok = false;
                 output.fs.context.push(FileStatus::Failure(
-                    format!("Failed to cleanup sandbox: {}", err).into(),
+                    format!("Failed to cleanup sandbox: {err}").into(),
                 ));
             }
 
@@ -758,7 +758,7 @@ impl std::fmt::Display for Stream {
                     f,
                     "{} {}:",
                     self.stream,
-                    palette.error(format_args!("({})", msg))
+                    palette.error(format_args!("({msg})"))
                 )?;
                 writeln!(f, "{}", palette.info(&self.content))?;
             }

crates/trycmd/src/schema.rs

@@ -146,7 +146,7 @@ impl TryCmd {
                 }
             } else if ext == std::ffi::OsStr::new("trycmd") || ext == std::ffi::OsStr::new("md") {
                 if stderr.is_some() && stderr != Some(&crate::Data::new()) {
-                    panic!("stderr should have been merged: {:?}", stderr);
+                    panic!("stderr should have been merged: {stderr:?}");
                 }
                 if let (Some(id), Some(stdout)) = (id, stdout) {
                     let step = self
@@ -245,9 +245,7 @@ impl TryCmd {
                         cmd_start = line_num;
                         stdout_start = line_num + 1;
                     } else {
-                        return Err(
-                            format!("Expected `$` on line {}, got `{}`", line_num, line).into()
-                        );
+                        return Err(format!("Expected `$` on line {line_num}, got `{line}`").into());
                     }
                 } else {
                     break 'outer;
@@ -296,7 +294,7 @@ impl TryCmd {
 
                 let bin = loop {
                     if cmdline.is_empty() {
-                        return Err(format!("No bin specified on line {}", cmd_start).into());
+                        return Err(format!("No bin specified on line {cmd_start}").into());
                     }
                     let next = cmdline.remove(0);
                     if let Some((key, value)) = next.split_once('=') {
@@ -593,7 +591,7 @@ impl Step {
     ) -> Result<snapbox::cmd::Command, crate::Error> {
         let bin = match &self.bin {
             Some(Bin::Path(path)) => Ok(path.clone()),
-            Some(Bin::Name(name)) => Err(format!("Unknown bin.name = {}", name).into()),
+            Some(Bin::Name(name)) => Err(format!("Unknown bin.name = {name}").into()),
             Some(Bin::Ignore) => Err("Internal error: tried to run an ignored bin".into()),
             Some(Bin::Error(err)) => Err(err.clone()),
             None => Err("No bin specified".into()),
@@ -895,7 +893,7 @@ impl std::str::FromStr for CommandStatus {
             _ => s
                 .parse::<i32>()
                 .map(Self::Code)
-                .map_err(|_| crate::Error::new(format!("Expected an exit code, got {}", s))),
+                .map_err(|_| crate::Error::new(format!("Expected an exit code, got {s}"))),
         }
     }
 }