55 lines
1.7 KiB
Bash
Executable File
55 lines
1.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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GIT_ROOT=$(cd "${BASH_SOURCE%/*}" && git rev-parse --show-toplevel)
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source "${GIT_ROOT}/scripts/colors.sh"
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NIX_VERSION="2.3.12"
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NIX_INSTALL_URL="https://nixos.org/releases/nix/nix-${NIX_VERSION}/install"
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NIX_INSTALL_SHA256="468a49a1cef293d59508bb3b62625dfcd99ec00334a14309f125cf8de513d5f1"
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NIX_INSTALL_PATH="/tmp/nix-install-${NIX_VERSION}"
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function install_nix() {
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# Don't break people's profiles
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export NIX_INSTALLER_NO_MODIFY_PROFILE=1
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# Fix for installing on MacOS Catalina
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export NIX_IGNORE_SYMLINK_STORE=1
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# Download installer and verify SHA256
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curl -s "${NIX_INSTALL_URL}" -o "${NIX_INSTALL_PATH}"
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echo "${NIX_INSTALL_SHA256} ${NIX_INSTALL_PATH}" | sha256sum -c
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chmod +x "${NIX_INSTALL_PATH}"
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# Run the installer
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"${NIX_INSTALL_PATH}" --no-daemon
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if [ $? -eq 0 ]; then
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echo -e "${GRN}The Nix package manager was successfully installed.${RST}"
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else
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echo -e "${RED}Failed to install Nix package manager!${RST}" >&2
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echo "Please see: https://nixos.org/nix/manual/#chap-installation" >&2
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exit 1
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fi
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}
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if [[ ! -x "$(command -v git)" ]]; then
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echo -e "${RED}The 'curl' utility is required for Nix installation.${RST}" >&2
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exit 1
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fi
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if [[ "$(source /etc/os-release && echo "${NAME}")" == *NixOS* ]]; then
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echo -e "${GRN}Already running NixOS.${RST}"
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exit
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fi
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if [[ -x "$(command -v nix)" ]]; then
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echo -e "${GRN}Nix package manager already installed.${RST}"
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exit
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fi
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if [[ "${IN_NIX_SHELL}" == 'pure' ]]; then
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echo -e "${GRN}Already in a pure Nix shell.${RST}"
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exit
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fi
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# If none of the checks before succeeded we need to install Nix
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echo -e "${GRN}Setting up Nix package manager...${RST}"
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install_nix
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echo -e "${YLW}See STARTING_GUIDE.md if you're new here.${RST}"
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