Print more verbose error for commands that capture output

This commit is contained in:
Jakub Beránek 2024-08-14 16:11:46 +02:00 committed by Jakub Beránek
parent fbce03b195
commit 478d42bdc2
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GPG Key ID: 909CD0D26483516B
2 changed files with 32 additions and 4 deletions

View File

@ -1056,11 +1056,29 @@ Executed at: {executed_at}"#,
}
};
let fail = |message: &str| {
let fail = |message: &str, output: CommandOutput| -> ! {
if self.is_verbose() {
println!("{message}");
} else {
println!("Command has failed. Rerun with -v to see more details.");
let (stdout, stderr) = (output.stdout_if_present(), output.stderr_if_present());
// If the command captures output, the user would not see any indication that
// it has failed. In this case, print a more verbose error, since to provide more
// context.
if stdout.is_some() || stderr.is_some() {
if let Some(stdout) =
output.stdout_if_present().take_if(|s| !s.trim().is_empty())
{
println!("STDOUT:\n{stdout}\n");
}
if let Some(stderr) =
output.stderr_if_present().take_if(|s| !s.trim().is_empty())
{
println!("STDERR:\n{stderr}\n");
}
println!("Command {command:?} has failed. Rerun with -v to see more details.");
} else {
println!("Command has failed. Rerun with -v to see more details.");
}
}
exit!(1);
};
@ -1069,14 +1087,14 @@ Executed at: {executed_at}"#,
match command.failure_behavior {
BehaviorOnFailure::DelayFail => {
if self.fail_fast {
fail(&message);
fail(&message, output);
}
let mut failures = self.delayed_failures.borrow_mut();
failures.push(message);
}
BehaviorOnFailure::Exit => {
fail(&message);
fail(&message, output);
}
BehaviorOnFailure::Ignore => {
// If failures are allowed, either the error has been printed already

View File

@ -291,6 +291,11 @@ impl CommandOutput {
.expect("Cannot parse process stdout as UTF-8")
}
#[must_use]
pub fn stdout_if_present(&self) -> Option<String> {
self.stdout.as_ref().and_then(|s| String::from_utf8(s.clone()).ok())
}
#[must_use]
pub fn stdout_if_ok(&self) -> Option<String> {
if self.is_success() { Some(self.stdout()) } else { None }
@ -303,6 +308,11 @@ impl CommandOutput {
)
.expect("Cannot parse process stderr as UTF-8")
}
#[must_use]
pub fn stderr_if_present(&self) -> Option<String> {
self.stderr.as_ref().and_then(|s| String::from_utf8(s.clone()).ok())
}
}
impl Default for CommandOutput {