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Reverse using let-else for lower MSRV

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This commit is contained in:
Gijs Burghoorn 2022-11-22 20:23:30 +01:00
parent bd2d82755b
commit acdd0ec58b
1 changed files with 40 additions and 22 deletions
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62
src/post_login/mod.rs
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@ -71,7 +71,7 @@ impl PostLoginEnvironment {
.collect();
info!("Starting Wayland Session");
let Ok(child) = unsafe {
let child = match unsafe {
Command::new("/bin/sh").pre_exec(move || {
// NOTE: The order here is very vital, otherwise permission errors occur
// This is basically a copy of how the nightly standard library does it.
@ -84,9 +84,13 @@ impl PostLoginEnvironment {
.arg("-c")
.arg(script_path)
.stdout(Stdio::null()) // TODO: Maybe this should be logged or something?
.spawn() else {
error!("Failed to start Wayland Compositor");
return Err(EnvironmentStartError::WaylandStartError);
.spawn()
{
Ok(child) => child,
Err(_) => {
error!("Failed to start Wayland Compositor");
return Err(EnvironmentStartError::WaylandStartError);
}
};
info!("Entered Wayland compositor");
@ -94,17 +98,23 @@ impl PostLoginEnvironment {
let session = add_utmpx_entry(&user_info.name, config.tty, pid);
let Ok(output) = child.wait_with_output() else {
error!("Failed to wait on TTY shell, Reason. Returning to Lemurs...");
return Ok(());
let output = match child.wait_with_output() {
Ok(output) => output,
Err(_) => {
error!("Failed to wait on TTY shell, Reason. Returning to Lemurs...");
return Ok(());
}
};
drop(session);
if !output.status.success() {
let Ok(output_stderr) = std::str::from_utf8(&output.stderr) else {
warn!("Failed to read STDERR output as UTF-8");
return Ok(());
let output_stderr = match std::str::from_utf8(&output.stderr) {
Ok(output_stderr) => output_stderr,
Err(_) => {
warn!("Failed to read STDERR output as UTF-8");
return Ok(());
}
};
if !output_stderr.trim().is_empty() {
@ -126,7 +136,7 @@ impl PostLoginEnvironment {
info!("Starting TTY shell");
let shell = &user_info.shell;
let Ok(child) = unsafe {
let child = match unsafe {
Command::new(shell).pre_exec(move || {
// NOTE: The order here is very vital, otherwise permission errors occur
// This is basically a copy of how the nightly standard library does it.
@ -139,11 +149,13 @@ impl PostLoginEnvironment {
.stdout(Stdio::inherit())
.stderr(Stdio::inherit())
.stdin(Stdio::inherit())
.spawn() else {
error!(
"Failed to start TTY shell. Returning to Lemurs...",
);
return Ok(());
.spawn()
{
Ok(child) => child,
Err(_) => {
error!("Failed to start TTY shell. Returning to Lemurs...",);
return Ok(());
}
};
info!("Entered TTY");
@ -151,17 +163,23 @@ impl PostLoginEnvironment {
let session = add_utmpx_entry(&user_info.name, config.tty, pid);
let Ok(output) = child.wait_with_output() else {
error!("Failed to wait on TTY shell, Reason. Returning to Lemurs...");
return Ok(());
let output = match child.wait_with_output() {
Ok(output) => output,
Err(_) => {
error!("Failed to wait on TTY shell, Reason. Returning to Lemurs...");
return Ok(());
}
};
drop(session);
if !output.status.success() {
let Ok(output_stderr) = std::str::from_utf8(&output.stderr) else {
warn!("Failed to read STDERR output as UTF-8");
return Ok(());
let output_stderr = match std::str::from_utf8(&output.stderr) {
Ok(output_stderr) => output_stderr,
Err(_) => {
warn!("Failed to read STDERR output as UTF-8");
return Ok(());
}
};
if !output_stderr.trim().is_empty() {