nix-config/home/direnv/lib/nix.sh
Bruno BELANYI 6530af39d8
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home: direnv: allow specifying default flake
2022-04-13 10:06:26 +02:00

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#shellcheck shell=bash
use_pkgs() {
if ! has nix; then
# shellcheck disable=2016
log_error 'use_pkgs: `nix` is not in PATH'
return 1
fi
# Use user-provided default value, or fallback to nixpkgs
local DEFAULT_FLAKE="${DIRENV_DEFAULT_FLAKE:-nixpkgs}"
# Allow changing the default flake through a command line switch
if [ "$1" = "-f" ] || [ "$1" = "--flake" ]; then
DEFAULT_FLAKE="$2"
shift 2
fi
# Allow specifying a full installable, or just a package name and use the default flake
local packages=()
for pkg; do
if [[ $pkg =~ .*#.* ]]; then
packages+=("$pkg")
else
packages+=("$DEFAULT_FLAKE#$pkg")
fi
done
# shellcheck disable=2154
direnv_load nix shell "${packages[@]}" --command "$direnv" dump
}