Migrate to sysexits

Signed-off-by: Alex Saveau <saveau.alexandre@gmail.com>

Cargo.toml

@@ -15,7 +15,6 @@ clap = { version = "4.0.9", features = ["derive", "wrap_help"] }
 clap-num = "1.0.0"
 clap-verbosity-flag = "2.0.0"
 error-stack = "0.2.1"
-exitcode = "1.1.2"
 # TODO use the real itoa once https://github.com/dtolnay/itoa/pull/34 goes through
 itoa-const = "1.0.1"
 log = { version = "0.4.17", features = ["release_max_level_info"] }
@@ -25,6 +24,7 @@ rand = { version = "0.8.5", default-features = false }
 rand_distr = "0.4.3"
 rand_xoshiro = "0.6.0"
 simple_logger = { version = "2.3.0", default-features = false, features = ["colors"] }
+sysexits = "0.3.2"
 thiserror = "1.0.37"
 tokio = { version = "1.21.2", features = ["rt"] }
 tracing = { version = "0.1.36", features = ["release_max_level_off", "log"] }

src/core/scheduler.rs

@@ -52,9 +52,9 @@ pub async fn run(
                 .await
                 .into_report()
                 .change_context(Error::TaskJoin)
-                .attach(ExitCode::from(u8::try_from(exitcode::SOFTWARE).unwrap()))?
+                .attach(ExitCode::from(sysexits::ExitCode::Software))?
                 .change_context(Error::Io)
-                .attach(ExitCode::from(u8::try_from(exitcode::IOERR).unwrap()))?;
+                .attach(ExitCode::from(sysexits::ExitCode::IoErr))?;
             #[cfg(dry_run)]
             let outcome = task;
 

src/generator.rs

@@ -5,8 +5,8 @@
 )]
 
 use std::{
-    cmp::max, fs::create_dir_all, io::Write, num::NonZeroUsize, path::PathBuf,
-    process::ExitCode, thread,
+    cmp::max, fs::create_dir_all, io::Write, num::NonZeroUsize, path::PathBuf, process::ExitCode,
+    thread,
 };
 
 use error_stack::{IntoReport, Report, Result, ResultExt};
@@ -169,14 +169,14 @@ fn validated_options(generator: Generator) -> Result<Configuration, Error> {
         .into_report()
         .attach_printable_lazy(|| format!("Failed to create directory {:?}", generator.root_dir))
         .change_context(Error::InvalidEnvironment)
-        .attach(ExitCode::from(u8::try_from(exitcode::IOERR).unwrap()))?;
+        .attach(ExitCode::from(sysexits::ExitCode::IoErr))?;
     if generator
         .root_dir
         .read_dir()
         .into_report()
         .attach_printable_lazy(|| format!("Failed to read directory {:?}", generator.root_dir))
         .change_context(Error::InvalidEnvironment)
-        .attach(ExitCode::from(u8::try_from(exitcode::IOERR).unwrap()))?
+        .attach(ExitCode::from(sysexits::ExitCode::IoErr))?
         .count()
         != 0
     {
@@ -185,7 +185,7 @@ fn validated_options(generator: Generator) -> Result<Configuration, Error> {
                 "The root directory {:?} must be empty.",
                 generator.root_dir
             ))
-            .attach(ExitCode::from(u8::try_from(exitcode::DATAERR).unwrap()));
+            .attach(ExitCode::from(sysexits::ExitCode::DataErr));
     }
 
     let num_files = generator.num_files_with_ratio.num_files.get() as f64;
@@ -323,7 +323,7 @@ fn run_generator(config: Configuration) -> Result<GeneratorStats, Error> {
         .build()
         .into_report()
         .change_context(Error::RuntimeCreation)
-        .attach(ExitCode::from(u8::try_from(exitcode::OSERR).unwrap()))?;
+        .attach(ExitCode::from(sysexits::ExitCode::OsErr))?;
 
     event!(Level::INFO, config = ?config, "Starting config");
     runtime.block_on(run_generator_async(config, parallelism))