command: Split up run() method#1459
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cgwalters merged 1 commit intobootc-dev:mainfrom Jul 30, 2025
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This pull request refactors the command execution helpers by splitting the generic run() method into run_inherited() and run_capture_stderr() for more explicit control over subprocess stream handling. The changes are applied consistently across the codebase. My review focuses on ensuring the new API is consistent and the documentation is accurate. I've found a few areas for improvement in crates/utils/src/command.rs regarding API consistency for asynchronous commands and documentation accuracy.
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There really isn't any kind of single default way to run a subprocess, that's why it's tricky. Sometimes one wants to have them be async, sometimes synchronous. Sometimes one wants to capture stdout, other times not etc. The `run()` name implies it's a default but it can't really be because some use cases we really do want to directly copy stderr instead of capturing it. It happens that *most* cases here inside bootc we're fine to only show stderr on error I think; I only changed the editor case to use the new `run_inherited()`. But in contrast many use cases in e.g. coreos/rpm-ostree#5439 wanted `run_inherited()`. Unit tests: Assisted-by: Claude Code Signed-off-by: Colin Walters <walters@verbum.org>
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There really isn't any kind of single default way to run a subprocess, that's why it's tricky. Sometimes one wants to have them be async, sometimes synchronous. Sometimes one wants to capture stdout, other times not etc.
The
run()name implies it's a default but it can't really be because some use cases we really do want to directly copy stderr instead of capturing it.It happens that most cases here inside bootc we're fine to only show stderr on error I think; I only changed the editor case to use the new
run_inherited().But in contrast many use cases in e.g.
coreos/rpm-ostree#5439
wanted
run_inherited().Unit tests: Assisted-by: Claude Code