Move some stuff from `Settings` to a new `FetchSettings`.

Starting work on #5638

The exact boundary between `FetchSettings` and `EvalSettings` is not
clear to me, but that's fine. First lets clean out `libstore`, and then
worry about what, if anything, should be the separation between those
two.

2 files changed, 7 insertions, 5 deletions

diff --git a/src/libexpr/flake/config.cc b/src/libexpr/flake/config.cc
index 7ecd61816..a811e59a1 100644
--- a/src/libexpr/flake/config.cc
+++ b/src/libexpr/flake/config.cc
@@ -1,5 +1,6 @@
 #include "flake.hh"
 #include "globals.hh"
+#include "fetch-settings.hh"
 
 #include <nlohmann/json.hpp>
 
@@ -53,7 +54,7 @@ void ConfigFile::apply()
             auto trustedList = readTrustedList();
 
             bool trusted = false;
-            if (nix::settings.acceptFlakeConfig){
+            if (nix::fetchSettings.acceptFlakeConfig){
                 trusted = true;
             } else if (auto saved = get(get(trustedList, name).value_or(std::map<std::string, bool>()), valueS)) {
                 trusted = *saved;
diff --git a/src/libexpr/flake/flake.cc b/src/libexpr/flake/flake.cc
index ad0881641..6a1aca40d 100644
--- a/src/libexpr/flake/flake.cc
+++ b/src/libexpr/flake/flake.cc
@@ -6,6 +6,7 @@
 #include "store-api.hh"
 #include "fetchers.hh"
 #include "finally.hh"
+#include "fetch-settings.hh"
 
 namespace nix {
 
@@ -315,7 +316,7 @@ LockedFlake lockFlake(
 
     FlakeCache flakeCache;
 
-    auto useRegistries = lockFlags.useRegistries.value_or(settings.useRegistries);
+    auto useRegistries = lockFlags.useRegistries.value_or(fetchSettings.useRegistries);
 
     auto flake = getFlake(state, topRef, useRegistries, flakeCache);
 
@@ -591,7 +592,7 @@ LockedFlake lockFlake(
             if (lockFlags.writeLockFile) {
                 if (auto sourcePath = topRef.input.getSourcePath()) {
                     if (!newLockFile.isImmutable()) {
-                        if (settings.warnDirty)
+                        if (fetchSettings.warnDirty)
                             warn("will not write lock file of flake '%s' because it has a mutable input", topRef);
                     } else {
                         if (!lockFlags.updateLockFile)
@@ -618,7 +619,7 @@ LockedFlake lockFlake(
                         if (lockFlags.commitLockFile) {
                             std::string cm;
 
-                            cm = settings.commitLockFileSummary.get();
+                            cm = fetchSettings.commitLockFileSummary.get();
 
                             if (cm == "") {
                                 cm = fmt("%s: %s", relPath, lockFileExists ? "Update" : "Add");
@@ -716,7 +717,7 @@ static void prim_getFlake(EvalState & state, const Pos & pos, Value * * args, Va
         lockFlake(state, flakeRef,
             LockFlags {
                 .updateLockFile = false,
-                .useRegistries = !evalSettings.pureEval && settings.useRegistries,
+                .useRegistries = !evalSettings.pureEval && fetchSettings.useRegistries,
                 .allowMutable  = !evalSettings.pureEval,
             }),
         v);