feat: add --ignore-exit-code alias for --ignore-failure (fixes #828)

doc/hyperfine.1

@@ -207,9 +207,10 @@ things like "sleep 0.1; sleep 0.2" are not possible without a shell.
 .IP
 An alias for '\-\-shell=none'.
 .HP
-\fB\-i\fR, \fB\-\-ignore\-failure\fR
+\fB\-i\fR, \fB\-\-ignore\-exit\-code\fR, \fB\-\-ignore\-failure\fR
 .IP
-Ignore non\-zero exit codes of the benchmarked programs.
+Ignore non\-zero exit codes of the benchmarked programs. \fB\-\-ignore\-exit\-code\fR is an alias for
+\fB\-\-ignore\-failure\fR.
 .HP
 \fB\-\-style\fR \fITYPE\fP
 .IP

src/benchmark/executor.rs

@@ -105,7 +105,7 @@ fn run_command_and_measure_common(
                 BenchmarkIteration::Benchmark(i) => format!("benchmark iteration {i}"),
             };
             bail!(
-                "{cause} in {when}. Use the '-i'/'--ignore-failure' option if you want to ignore this. \
+                "{cause} in {when}. Use the '-i'/'--ignore-exit-code'/'--ignore-failure' option if you want to ignore this. \
                 Alternatively, use the '--show-output' option to debug what went wrong.",
                 cause=result.status.code().map_or(
                     "The process has been terminated by a signal".into(),

src/cli.rs

@@ -226,15 +226,17 @@ fn build_command() -> Command {
         .arg(
             Arg::new("ignore-failure")
                 .long("ignore-failure")
+                .alias("ignore-exit-code")
                 .action(ArgAction::Set)
                 .value_name("MODE")
                 .num_args(0..=1)
                 .default_missing_value("all-non-zero")
                 .require_equals(true)
                 .short('i')
-                .help("Ignore failures of the benchmarked programs. Without a value or with \
+                .help("Ignore non-zero exit codes of the benchmarked programs. Without a value or with \
                        'all-non-zero', all non-zero exit codes are ignored. You can also provide \
-                       a comma-separated list of exit codes to ignore (e.g., --ignore-failure=1,2)."),
+                       a comma-separated list of exit codes to ignore (e.g., --ignore-exit-code=1,2). \
+                       '--ignore-exit-code' is an alias for '--ignore-failure'."),
         )
         .arg(
             Arg::new("style")

tests/integration_tests.rs

@@ -258,6 +258,24 @@ fn fails_for_unknown_conclude_command() {
         ));
 }
 
+#[cfg(unix)]
+#[test]
+fn ignore_exit_code_is_an_alias_for_ignore_failure() {
+    hyperfine()
+        .arg("--runs=1")
+        .arg("--ignore-exit-code")
+        .arg("false")
+        .assert()
+        .success();
+
+    hyperfine()
+        .arg("--runs=1")
+        .arg("--ignore-exit-code=1")
+        .arg("exit 1")
+        .assert()
+        .success();
+}
+
 #[cfg(unix)]
 #[test]
 fn can_run_failing_commands_with_ignore_failure_option() {