Projectionist messes up errorformat

[AvianY]

After putting in .projections.json the following:

{
  "*.py": {"make": "venv/bin/mypy\ %"}
}

and running :make on a python file,
mypy will correctly find the errors, but they won't be recognized by vim.

If I set the makeprg manually however, it will work.

[tpope]

The assumption here is that the default 'errorformat' isn't very useful most of the time as it's pretty specific to make itself. Instead, it tries to find a compiler plugin named mypy.vim, and if that fails, falls back to something generic. If the default 'errorformat' works for you, you can tell Projectionist to use it with a simple compiler plugin of your own. Put this in compiler/mypy.vim in your runtime path (e.g., ~/.vim):

if exists("current_compiler")
  finish
endif
let current_compiler = "mypy"

CompilerSet makeprg=mypy

CompilerSet errorformat<

Untested but it should work.