Bash script to create conda environment based on the available `environment.yml` file or create a default environment in cast no YAML file provided.

mkenv

#!/bin/bash

# MIT License applies.
# Copyright 2024 Maurice (mausy5043) Hendrix

# environment name stored in YAML file takes precedence
if [ -f "environment.yml" ]; then
  # YAML exists, so we use that
  echo "Found   : environment.yml"
  env_name=$(grep "name:" environment.yml |cut -d ":" -f 2 |xargs)
else
    if [ -z "${1}" ]; then
        echo "ERROR: No environment name set!"
        exit 1
    else
        env_name="${1}"
        # YAML doesn't exist so we create it now
        {
            echo "name: ${env_name}"
            echo "channels:"
            echo "  - conda-forge"
            echo "  - defaults"
            echo "dependencies:"
            echo "  - python=3.11"
        } > ./environment.yml
        echo "Created : environment.yml"
    fi
fi

echo "Creating: ${env_name}"
conda env create --yes --file "environment.yml"

# store the name for the `cg` command
echo "${env_name}" > ./.env

echo "Ready  : ${env_name} created."
echo "Activate it before use.

# Usage:
# 1. git clone http://repo
# 2. cd repo
# 3. mkenv repo
# wait for new terminal view to open
# visually check if conda activated the environment
# 4. pycheck

# Tip: save an environment using:
# conda env export --from-history>rescue.yml