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Compare development environments

Project description

diffenv

Output and compare all facets of development environments.

Overview

diffenv gathers and compares runtime environment metadata, intended to remedy the common developer situation of "But it works on my machine! What's different about your environment?"

Simplified example usage:

$ diffenv
python:
  python-version: Python 3.7.3
shell:
  envvars:
    EDITOR: sublw
    GIT_EDITOR: subl -w
    API_ENDPOINT: http://api.lvh.me:4000
    PRISMA_ENDPOINT: http://prisma:4466
os:
  timezone: 0200
  version: Darwin 18.7.0 x86_64

Full example output.

Installation

Standard

To install normally:

pip3 install diffenv

Development

If you are developing locally, do not install as above, and instead run the following in the repo root directory:

# depending on your setup you may have to prefix sudo to this command
pip install --editable .

Now diffenv will always point to your local repo, including any changes.

Use

To output your current development environment to stderr:

diffenv

To compare your environment with @wanderingstan:

diffenv -c https://raw.githubusercontent.com/error-central/diffenv/master/examples/stan-diffenv.yaml

To share your environment with a coworker for comparison:

diffenv --share

Customization

diffenv can be customized for a user or for a repo. Customizations are put in a directory named .diffenv in the user's home directory or the git repos top directory.

Custom Facets

Custom facets for a git repo should be saved in .diffenv/facets/<yourfacet>

The facet file itself needs to be excutable (chmod +x <yourfacet>).

Configuration

You can limit which facets are run with a yaml file saved in .diffenv/config.yaml

See example_config.yaml for more information.

Project details


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