status-react/nix/scripts/source.sh

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#!/usr/bin/env bash
# This script makes sure we have Nix tools available
GIT_ROOT=$(cd "${BASH_SOURCE%/*}" && git rev-parse --show-toplevel)
# Location of profile script for Nix that adjusts PATH
NIX_PROFILE_SH="${HOME}/.nix-profile/etc/profile.d/nix.sh"
function source_nix() {
# Just stop if Nix is already available
if [[ -x $(command -v nix) ]]; then
return
elif [[ -f "${NIX_PROFILE_SH}" ]]; then
# Load Nix profile if it exists
source "${NIX_PROFILE_SH}"
return
else
# Setup Nix if not available
${GIT_ROOT}/nix/scripts/setup.sh
fi
# Load Nix profile
source "${NIX_PROFILE_SH}"
# Verify Nix is available
if [[ ! -x $(command -v nix) ]]; then
echo "Nix not available, sourcing profile failed!" > /dev/stderr
exit 1
fi
}
source_nix