38 lines
913 B
Bash
38 lines
913 B
Bash
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#!/usr/bin/env bash
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# Checking group ownership to identify installation type.
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file_group() {
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UNAME=$(uname -s)
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if [[ "${UNAME}" == "Linux" ]]; then
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stat -Lc "%G" "${1}" 2>/dev/null
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elif [[ "${UNAME}" == "Darwin" ]]; then
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stat -Lf "%Sg" "${1}" 2>/dev/null
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fi
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}
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os_name() {
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source /etc/os-release 2>/dev/null
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echo "${NAME}"
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}
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is_arch_linux() {
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[[ -f /etc/arch-release ]]
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}
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nix_install_type() {
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NIX_STORE_DIR_GROUP=$(file_group /nix/store)
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if [[ "$(os_name)" =~ NixOS ]]; then
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echo "nixos"
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elif [[ "${NIX_STORE_DIR_GROUP}" == "nixbld" ]]; then
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echo "multi"
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elif [[ "${NIX_STORE_DIR_GROUP}" == "${USER}" ]]; then
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echo "single"
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elif [[ "${NIX_STORE_DIR_GROUP}" == "" ]]; then
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echo "No Nix installtion detected!" >&2
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echo "none"
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else
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echo "Unknown Nix installtion type!" >&2
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exit 1
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fi
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}
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