royallthefourth / dotenv Goto Github PK

Hi, I've been looking into deploying an application and using this library, but noticed it depends on racket-doc, which appears to increase the raco pkg install time from 30 seconds to 3 minutes when working with a minimal racket installation. It also increases the installation footprint by about 500 MB.

One could use a multi-collection package to avoid pulling in documentation for certain builds. This might require splitting dotenv into something like dotenv-lib, dotenv, and dotenv-doc packages. The threading package does this, and it seems to do the trick (one simply installs threading-lib, instead of threading to get the library without documentation dependencies).

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A (read-dotenv path) function that returned an environment-variables? value using make-environment-variables would be useful. With that I could interact with dotenv files without mutating the current environment. For instance, I could write this:

(define (call/dotenv path f)
  (define env (read-dotenv path))
  (parameterize ([current-environment-variables env])
    (f)))