51 lines
1.3 KiB
Nix
51 lines
1.3 KiB
Nix
{
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# Snowfall Lib provides a customized `lib` instance with access to your flake's library
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# as well as the libraries available from your flake's inputs.
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lib,
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# You also have access to your flake's inputs.
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inputs,
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# All other arguments come from NixPkgs. You can use `pkgs` to pull packages or helpers
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# programmatically or you may add the named attributes as arguments here.
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pkgs,
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stdenv,
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...
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}:
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pkgs.writeShellApplication {
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name = "conda-direnv";
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runtimeInputs = with pkgs; [
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conda
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yq
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];
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text = ''
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if [ ! -f environment.yml ]; then
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echo "environment.yml does not exist! Exiting..."
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exit 1
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fi
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ENV_NAME=$(${pkgs.yq}/bin/yq ".name" environment.yml -r)
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if [ "$ENV_NAME" == "" ] || [ "$ENV_NAME" == "null" ]; then
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echo "Property \"name\" not in environment.yml or empty! Exiting..."
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exit 1
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fi
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echo Welcome to your conda environment "$ENV_NAME"! Activating...
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condanew() {
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conda env create -f environment.yml -n $ENV_NAME
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conda activate $ENV_NAME
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}
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exec ${pkgs.conda}/bin/conda-shell
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conda activate $ENV_NAME || condanew
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echo "Environment active! To update it, run:"
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echo -e "\tconda env update -f environment.yml -n $ENV_NAME"
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"$SHELL" # needs to be last line so that conda-shell actually enters a shell
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'';
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}
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