Add ApplyConfigOptions

Change-Id: Ic876bcabd0b68e579bbd30ca1755919df43d4813
This commit is contained in:
Rebecca Turner 2024-08-23 16:59:38 -07:00
parent 04b591dc1d
commit c300efc0e1
Signed by: rbt
SSH key fingerprint: SHA256:HU9KTlGeHEBIp12MT4UHG0uc//NRNoJMWfzVGX3igu4
2 changed files with 54 additions and 0 deletions

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@ -0,0 +1,53 @@
#pragma once
/**
* @file
* @brief Options for applying `Config` settings.
*/
#include <types.hh>
namespace nix {
/**
* Options for applying `Config` settings.
*/
struct ApplyConfigOptions
{
/**
* The configuration file being loaded.
*
* If set, relative paths are allowed and interpreted as relative to the
* directory of this path.
*/
std::optional<Path> path = std::nullopt;
/**
* If set, tilde paths (like `~/.config/repl.nix`) are allowed and the
* tilde is substituted for this directory.
*/
std::optional<Path> home = std::nullopt;
/**
* Is the configuration being loaded from the `$NIX_CONFIG` environment
* variable?
*
* Used for formatting error messages.
*/
bool fromEnvVar = false;
/**
* Display the `relative` path field, with a reasonable default if none is
* available.
*/
std::string relativeDisplay() const {
if (path) {
return *path;
} else if (fromEnvVar) {
return "$NIX_CONFIG";
} else {
return "<unknown>";
}
}
};
}

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@ -46,6 +46,7 @@ libutil_sources = files(
)
libutil_headers = files(
'apply-config-options.hh',
'abstract-setting-to-json.hh',
'ansicolor.hh',
'archive.hh',