feat: hand back the command's exit code

src/command_builder.rs

@@ -1,6 +1,7 @@
 use anyhow::{Context, Result, bail};
 use std::{
     fmt::Display,
+    os::unix::process::CommandExt,
     process::{Child, Command, ExitStatus, Stdio},
     sync::OnceLock,
 };
@@ -83,6 +84,19 @@ impl CommandBuilder {
         check(&shown, status)
     }
 
+    // replaces this process, so the command's exit code and signals become ours
+    pub fn exec_replace(self) -> Result<()> {
+        if options().dry_run {
+            eprintln!("would run `{self}`");
+            return Ok(());
+        }
+
+        let shown = self.to_string();
+        let error = self.build()?.exec();
+
+        Err(error).with_context(|| format!("running `{shown}`"))
+    }
+
     pub fn spawn(self) -> Result<Child> {
         Ok(self.build()?.spawn()?)
     }

src/scripts/docker_compose.rs

@@ -15,7 +15,7 @@ pub fn run(service: &str, rest: &[String]) -> Result<()> {
         .args("run --rm")
         .arg(service)
         .args(rest)
-        .exec()
+        .exec_replace()
 }
 
 pub fn exec(service: &str, rest: &[String]) -> Result<()> {