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Fix try not working with let, etc. (#13885)

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# Description
Partialy addresses #13868. `try` does not catch non-zero exit code
errors from the last command in a pipeline if the result is assigned to
a variable using `let` (or `mut`).

This was fixed by adding a new `OutDest::Value` case. This is used when
the pipeline is in a "value" position. I.e., it will be collected into a
value. This ended up replacing most of the usages of `OutDest::Capture`.
So, this PR also renames `OutDest::Capture` to `OutDest::PipeSeparate`
to better fit the few remaining use cases for it.

# User-Facing Changes
Bug fix.

# Tests + Formatting
Added two tests.
This commit is contained in:
Ian Manske
2024-09-23 04:44:25 -07:00
committed by GitHub
parent 2541a712e4
commit 03ee54a4df
32 changed files with 127 additions and 98 deletions
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3
crates/nu-engine/src/eval_ir.rs
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@ -1414,7 +1414,8 @@ fn eval_redirection(
) -> Result<Option<Redirection>, ShellError> {
match mode {
RedirectMode::Pipe => Ok(Some(Redirection::Pipe(OutDest::Pipe))),
RedirectMode::Capture => Ok(Some(Redirection::Pipe(OutDest::Capture))),
RedirectMode::PipeSeparate => Ok(Some(Redirection::Pipe(OutDest::PipeSeparate))),
RedirectMode::Value => Ok(Some(Redirection::Pipe(OutDest::Value))),
RedirectMode::Null => Ok(Some(Redirection::Pipe(OutDest::Null))),
RedirectMode::Inherit => Ok(Some(Redirection::Pipe(OutDest::Inherit))),
RedirectMode::File { file_num } => {