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No global settings in libnixfetchers and libnixflake

Browse source 
Progress on #5638

There are still a global fetcher and eval settings, but they are pushed
down into `libnixcmd`, which is a lot less bad a place for this sort of
thing.

Continuing process pioneered in
52bfccf8d8.
This commit is contained in:
John Ericson 2024-07-01 13:37:30 -04:00
parent b57c361097
commit 3fc77f281e
50 changed files with 401 additions and 271 deletions
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20
src/libcmd/common-eval-args.cc
View file

@ -1,3 +1,4 @@
#include "fetch-settings.hh"
#include "eval-settings.hh"
#include "common-eval-args.hh"
#include "shared.hh"
@ -7,6 +8,7 @@
#include "fetchers.hh"
#include "registry.hh"
#include "flake/flakeref.hh"
#include "flake/settings.hh"
#include "store-api.hh"
#include "command.hh"
#include "tarball.hh"
@ -16,6 +18,10 @@
namespace nix {
fetchers::Settings fetchSettings;
static GlobalConfig::Register rFetchSettings(&fetchSettings);
EvalSettings evalSettings {
settings.readOnlyMode,
{
@ -24,7 +30,7 @@ EvalSettings evalSettings {
[](ref<Store> store, std::string_view rest) {
experimentalFeatureSettings.require(Xp::Flakes);
// FIXME `parseFlakeRef` should take a `std::string_view`.
auto flakeRef = parseFlakeRef(std::string { rest }, {}, true, false);
auto flakeRef = parseFlakeRef(fetchSettings, std::string { rest }, {}, true, false);
debug("fetching flake search path element '%s''", rest);
auto storePath = flakeRef.resolve(store).fetchTree(store).first;
return store->toRealPath(storePath);
@ -35,6 +41,12 @@ EvalSettings evalSettings {
static GlobalConfig::Register rEvalSettings(&evalSettings);
flake::Settings flakeSettings;
static GlobalConfig::Register rFlakeSettings(&flakeSettings);
CompatibilitySettings compatibilitySettings {};
static GlobalConfig::Register rCompatibilitySettings(&compatibilitySettings);
@ -171,8 +183,8 @@ MixEvalArgs::MixEvalArgs()
.category = category,
.labels = {"original-ref", "resolved-ref"},
.handler = {[&](std::string _from, std::string _to) {
auto from = parseFlakeRef(_from, absPath("."));
auto to = parseFlakeRef(_to, absPath("."));
auto from = parseFlakeRef(fetchSettings, _from, absPath("."));
auto to = parseFlakeRef(fetchSettings, _to, absPath("."));
fetchers::Attrs extraAttrs;
if (to.subdir != "") extraAttrs["dir"] = to.subdir;
fetchers::overrideRegistry(from.input, to.input, extraAttrs);
@ -230,7 +242,7 @@ SourcePath lookupFileArg(EvalState & state, std::string_view s, const Path * bas
else if (hasPrefix(s, "flake:")) {
experimentalFeatureSettings.require(Xp::Flakes);
auto flakeRef = parseFlakeRef(std::string(s.substr(6)), {}, true, false);
auto flakeRef = parseFlakeRef(fetchSettings, std::string(s.substr(6)), {}, true, false);
auto storePath = flakeRef.resolve(state.store).fetchTree(state.store).first;
return state.rootPath(CanonPath(state.store->toRealPath(storePath)));
}