forked from lix-project/lix
54 lines
1.1 KiB
C++
54 lines
1.1 KiB
C++
#pragma once
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/**
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* @file
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* @brief Options for applying `Config` settings.
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*/
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#include <types.hh>
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namespace nix {
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/**
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* Options for applying `Config` settings.
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*/
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struct ApplyConfigOptions
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{
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/**
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* The configuration file being loaded.
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*
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* If set, relative paths are allowed and interpreted as relative to the
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* directory of this path.
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*/
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std::optional<Path> path = std::nullopt;
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/**
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* If set, tilde paths (like `~/.config/repl.nix`) are allowed and the
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* tilde is substituted for this directory.
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*/
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std::optional<Path> home = std::nullopt;
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/**
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* Is the configuration being loaded from the `$NIX_CONFIG` environment
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* variable?
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*
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* Used for formatting error messages.
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*/
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bool fromEnvVar = false;
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/**
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* Display the `relative` path field, with a reasonable default if none is
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* available.
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*/
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std::string relativeDisplay() const {
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if (path) {
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return *path;
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} else if (fromEnvVar) {
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return "$NIX_CONFIG";
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} else {
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return "<unknown>";
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}
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}
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};
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}
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