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More verbose Debug implementation of std::process:Command

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based on commit: ccc019aabf from https://github.com/zackmdavis

close https://github.com/rust-lang/rust/issues/42200

Add env variables and cwd to the shell-like debug output.

Also use the alternate syntax to display a more verbose display, while not showing internal fields and hiding fields when they have their default value.
This commit is contained in:
kraktus 2022-05-19 15:50:27 +02:00
parent 35a99eef32
commit eb63dea57f
5 changed files with 173 additions and 29 deletions
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9
library/std/src/process.rs
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@ -1038,6 +1038,15 @@ impl fmt::Debug for Command {
/// Format the program and arguments of a Command for display. Any
/// non-utf8 data is lossily converted using the utf8 replacement
/// character.
///
/// The default format approximates a shell invocation of the program along with its
/// arguments. It does not include most of the other command properties. The output is not guaranteed to work
/// (e.g. due to lack of shell-escaping or differences in path resolution)
/// On some platforms you can use [the alternate syntax] to show more fields.
///
/// Note that the debug implementation is platform-specific.
///
/// [the alternate syntax]: fmt#sign0
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
self.inner.fmt(f)
}