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Previously, if there was a problem with the inputs and bild failed to
determine the namespace, 'fromPath' would return 'Nothing' and then
'catMaybes' would drop the error-causing input altogether. In the one
time that I had a bad input, this made debugging incredibly difficult.
It's always a bad idea to swallow errors silently, so instead lets just
kill the program if we have bad inputs.
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This implements a prototype Mynion, my chatbot which will eventually
help me write code here. In fact he's already helping me, and works
pretty well over xmpp.
The prompt is currently not checked in because I'm experimenting with it
a lot, and it should probably be a runtime parameter anyways.
In the course of writing this I added some helper libraries to get me
going, configured black (didn't even know that was possible), and added
'outlines' and its dependencies even though I didn't end up using it.
I'll keep outlines around for now, but I'm not sure how useful it really
is because afaict its just pre-defining some stop conditions. But it
took a while to get it working so I'll just keep it in for now.
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Previously I would lint every file individually, in serial. This took
forever. Now I group the files by extension (by first getting the Namespace) and
run each linter on all relevant files at once. This is so much faster its
stupid.
Also I added formatters back into the dev env because my editor needs them to
autoformat.
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This is working with libsodium as an example. Its unfortunate that we need the
extra ':arg -lsodium' but how else can I get the name of the library for
linking? Is that something in the nix attr metadata? Anyway, an optimization for
another day.
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Not getting deps yet but thats okay, I basically need to do a bunch of annoying
nix work to get rustPackages into a thing like pythonPackages.
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This represents quite a few evenings of hacking. It doesn't build all of my
Python code, because my Python code is not up to snuff, but it builds the
examples and pulls in third party dependencies.
Some design points:
- I'm using buildPythonApplication in Builder.nix because it was getting way too
annoying to wrap the Python script and set PYTHONPATH myself. Easier and more
robust to just use the upstream nix builder
- Because of this, I had to generate a setup.py. Maybe switch to pyproject.toml
in the future, whatever.
- Also because of this, Target.wrapper is becoming redundant. I'll just remove
it when I get Guile built in nix.
- Biz/Bild.nix is getting messy and could use a refactor.
- In Builder.nix, I worked around the empty directories bug by just finding and
deleting empty directories after unpacking. If its stupid but works it ain't
stupid!
- I had to touch __init__.py files in all directories before building. Annoying!
- `repl` just works, which is awesome
- To ensure good Python code, I moved lints and added type checking to the
build. So I can't build anything unless it passes those checks. This seems
restrictive, but if I want to run some non-passing code, I can still use
`repl`, so it's actually not inhibitory.
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Namespace is unique, whereas FilePath could be relative or absolute, or have a
leading . or trailing / or not.
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asdf seems to always be necessary for any other packages to work, so I just
include that in the call to nix-shell, and swank is included because it's just
useful to start a repl server.
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I ended up deleting miso, and consequently all files under Hero/ and Miso/,
because I couldn't get miso to build with GHC 9.2.
Other things:
- Niv has been wrapped by Biz/Bild/Deps.hs, so I can extend it to my liking.
- Apply-refact is gone because I couldn't get it to build.
- Disabled python stuff.
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Support for packages and third-party imports will need to come later once I
figure out how to lookup rust packages by their import statements. Until then,
this works to compile "hello world".
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This parses the files contents for imports, then uses ghc-pkg to lookup the
package that provides the module. Now I can do that analysis in Haskell instead
of nix, which is much easier to code with.
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Every key is just a new line in the $USER.pub file. This is not automatically
reflected to gitolite, which uses a separate config, so I'll need to come up
with a way to replace gitolite someday.
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Now bild knows how to determine between modules that require ghcjs and ghc. It
also knows what *not* to build, meaning it won't try to build non-buildable nix
targets, for example (unfortunately this is just hardcoded for now), but it also
won't build scm or py targets that I haven't implemented yet. It just silently
fails, which is fine, because it means I can do `bild **/*` and everything just
works.
Of course, if I want to build scm code then I will have to implement that, but
that's not a priority right now.
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