83 lines
2.4 KiB
Bash
Executable File
83 lines
2.4 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
# This script removes all Nix files.
|
|
|
|
GIT_ROOT=$(cd "${BASH_SOURCE%/*}" && git rev-parse --show-toplevel)
|
|
source "${GIT_ROOT}/nix/scripts/lib.sh"
|
|
source "${GIT_ROOT}/scripts/colors.sh"
|
|
|
|
nix_purge_multi_user() {
|
|
sudo systemctl stop nix-daemon.socket
|
|
sudo systemctl stop nix-daemon.service
|
|
sudo systemctl disable nix-daemon.socket
|
|
sudo systemctl disable nix-daemon.service
|
|
sudo systemctl daemon-reload
|
|
sudo rm -fr /etc/nix
|
|
sudo rm -f /etc/profile.d/nix.sh*
|
|
|
|
# Remove nix build users and groups
|
|
for NIX_USER in $(awk -F: '/nixbld/{print $1}' /etc/passwd); do
|
|
sudo userdel "${NIX_USER}"
|
|
done
|
|
sudo groupdel nixbld
|
|
|
|
# Restore old shell profiles
|
|
NIX_PROFILE_FILES=(
|
|
/etc/bash.bashrc /etc/bashrc /etc/bash/bashrc
|
|
/etc/zsh.zshhrc /etc/zshrc /etc/zsh/zshrc
|
|
)
|
|
for NIX_FILE in "${NIX_PROFILE_FILES[@]}"; do
|
|
if [[ -f "${NIX_FILE}.backup-before-nix" ]]; then
|
|
sudo mv -f "${NIX_FILE}.backup-before-nix" "${NIX_FILE}"
|
|
fi
|
|
done
|
|
}
|
|
|
|
nix_purge_user_profile() {
|
|
sudo rm -rf \
|
|
~/.nix-* \
|
|
~/.cache/nix \
|
|
~/.config/nixpkgs \
|
|
${GIT_ROOT}/.nix-gcroots
|
|
}
|
|
|
|
nix_purge_root() {
|
|
NIX_ROOT="/nix"
|
|
if [[ $(uname -s) == "Darwin" ]]; then
|
|
# Special case due to read-only root on MacOS Catalina
|
|
NIX_ROOT="/opt/nix"
|
|
fi
|
|
if [[ -z "${NIX_ROOT}" ]]; then
|
|
echo -e "${RED}Unable to identify Nix root!${RST}" >&2
|
|
exit 1
|
|
fi
|
|
sudo rm -fr "${NIX_ROOT}"
|
|
}
|
|
|
|
NIX_INSTALL_TYPE=$(nix_install_type)
|
|
|
|
if [[ "${1}" == "--force" ]] && [[ "${NIX_INSTALL_TYPE}" != "nixos" ]]; then
|
|
echo -e "${YLW}Purge forced, no checks performed!${RST}" >&2
|
|
nix_purge_multi_user
|
|
nix_purge_user_profile
|
|
nix_purge_root
|
|
exit
|
|
fi
|
|
|
|
# Purging /nix on NixOS would be disasterous
|
|
if [[ "${NIX_INSTALL_TYPE}" == "nixos" ]]; then
|
|
echo -e "${RED}You should not purge Nix files on NixOS!${RST}" >&2
|
|
exit
|
|
elif [[ "${NIX_INSTALL_TYPE}" == "none" ]]; then
|
|
echo -e "${YLW}Nothing to remove, Nix not installed.${RST}" >&2
|
|
exit
|
|
elif [[ "${NIX_INSTALL_TYPE}" == "multi" ]]; then
|
|
echo -e "${YLW}Detected multi-user Nix installation.${RST}" >&2
|
|
nix_purge_multi_user
|
|
elif [[ "${NIX_INSTALL_TYPE}" == "single" ]]; then
|
|
echo -e "${YLW}Detected single-user Nix installation.${RST}" >&2
|
|
nix_purge_user_profile
|
|
fi
|
|
nix_purge_root
|
|
|
|
echo -e "${GRN}Purged all Nix files from your system.${RST}" >&2
|