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A comment on Build faster with Buck2: Our open source build system. Parent comment

Re:Build faster with Buck2: Our open source build system by dbaupp on Thursday April 06, 2023 @11:02PM (#35477514)
Pants v2 supports dependency inference in a manner similar to what you’re hypothesising. It indeed can benefit from the general caching mechanism. https://blog.pantsbuild.org/why-dependency-inference/

It has been remarkably convenient for our Python monorepo.

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Re:Build faster with Buck2: Our open source build system by chubot on Friday April 07, 2023 @12:35PM (#35483617)
Ah very interesting, I had heard of Pants, but I didn't know about Pants 2. Having less BUILD metadata definitely seems like a big win, and I imagine with some effort you can keep the parallelism/caching/distribution too (I'd be interested in details on that).

Since Pants 2 has a core in Rust, I wonder if you considered Starlark vs. Python? I can see advantages to Python, but it seems like there are good open source implementations of Starlark now.

With Pants 2 and Buck 2, now we're on the 3rd or 4th generation of the Bazel-like systems :)

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