Most of the refactor. Need to switch machines.

crates/io/src/error.rs

@@ -0,0 +1,11 @@
+use derive_more::{Display, From};
+
+pub type Result<T> = core::result::Result<T, Error>;
+
+#[derive(Debug, From, Display)]
+pub enum Error {
+    #[from]
+    Io(std::io::Error),
+    #[from]
+    Popen(subprocess::PopenError),
+}

crates/io/src/lib.rs

@@ -0,0 +1,30 @@
+mod error;
+
+use std::ffi;
+
+pub use error::{Error, Result};
+
+pub fn run_process<S>(argv: &[S]) -> Result<(Option<String>, Option<String>)>
+where
+    S: AsRef<ffi::OsStr>,
+{
+    let mut process = subprocess::Popen::create(
+        argv,
+        subprocess::PopenConfig {
+            stdout: subprocess::Redirection::Pipe,
+            ..Default::default()
+        },
+    )?;
+
+    let result = process.communicate(None)?;
+
+    if process
+        .wait_timeout(std::time::Duration::from_secs(5))
+        .is_err()
+        || process.exit_status().is_none()
+    {
+        process.terminate()?;
+    }
+
+    Ok(result)
+}