oven-sh/bun

`bun build --compile` leads to `.bun-build` workspace clutter

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#14,020 opened on Sep 18, 2024

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 (9 comments) (11 reactions) (0 assignees)Rust (90,348 stars) (4,486 forks)batch import
bugbundlergood first issue

Description

What version of Bun is running?

1.1.28+cf4e9cb69

What platform is your computer?

Darwin 24.0.0 arm64 arm

What steps can reproduce the bug?

It seems calling bun bulld --compile on any valid file will do, but for example:

echo 'console.log("Hi!")' >> main.js
bun build main.js --compile

Now, you will see the following files in your directory:

.17f66bb7eff7fbbd-00000000.bun-build # for example
main
main.js

.17f66bb7eff7fbbd-00000000.bun-build seems to be a temp file or build artifact of some kind. I don't know what it is. Deleting it has no bearing on soundness of the final binary, main.

What is the expected behavior?

No .bun-build files left behind in my workspace that I need to deal with.

What do you see instead?

A burgeoning pile of .bun-build files in my workspace.

I have to remove them constantly

So I'll keep a post-build script that deletes these as they pile up.

find . -maxdepth 1 -type f -name '*.bun-build' -exec rm -v {} \;

I kept accidentally checking them in

So I need to keep a pattern for them in my .gitignore

*.bun-build

Additional information

No response

Contributor guide

Tech stack
rust
Domain
build systemdeveloper experience
Issue type
bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
Rust programmingBun build system basics
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
65
Research direction
Investigate the 'bun build compile' command implementation to identify where the temporary .bun build files are created and not cleaned up. Look for any file deletion logic after compilation. Check the build output directory handling in the bundler code. Consider adding a cleanup step after compilation completes to remove these artifacts.