Ergonomic, hermetic, user-friendly software build system for Python, Go, Java, Kotlin, Protobuf, Scala, Shell. Pants lets you fearlessly scale up your codebase!

Pants

have a bunch of tooling wrapped around this.. its great

yea, that's why i thought you might be in the audience for that one

i try to be pretty strictly zero-configuration

<@U066LC126> : let me know if you have questions about anything.

<@U054MQUPL> , <@U0XUTHRPZ> : the fully integrated, daemonized `changed` impl is so kickass. Way better UX too. Love it.

Heads up engine devs, the `./pants` script now (mod soon) auto-modifies a checked in file in response to src/rust/engine edits - so if you see changes to `src/python/pants/engine/subsystem/native_engine_version` - which will contain a sha1 hash - its expected and should be checked in with your native engine change.

tfw you reply to a days old msg because you didn’t look at the timestamp

got things compiling again. The behavior is wrong, but moving in the right direction

Now I have a trace, but it’s full of TypeConstraint(48)s

<@U066LC126> : there is `extern_id_to_str`

<@U066LC126> : re your comment during standup: what pattern wasn't working in rust?

oh, I was trying to use closures ala the python impl, but closures + borrowing + loops -&gt; tricky

hm, it should definitely still be possible, but i agree there isn't a local anonymous function in use yet

...but yea, with mutable state, could be tricky.

I felt the same, but also, it just seemed like the other way would give me better errors

<@U054MQUPL> <@U0XUTHRPZ> (copy pasta from hipchat) I got the old shard 8 working (now shard 9 because sirios added one) <https://travis-ci.org/pantsbuild/pants/builds/176184104> for v2 engine. Should i leave the PR there(<https://github.com/pantsbuild/pants/pull/4056>), and so when the rest is resolved, all changes can be merged in one commit?

I think you can commit your fix first without
```
env['PANTS_ENABLE_V2_ENGINE'] = 'true'
```
to pass ci.