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.

1 files changed, 13 insertions, 0 deletions

diff --git a/src/libfetchers/fetch-settings.cc b/src/libfetchers/fetch-settings.cc
new file mode 100644
index 000000000..e7d5244dc
--- /dev/null
+++ b/src/libfetchers/fetch-settings.cc
@@ -0,0 +1,13 @@
+#include "fetch-settings.hh"
+
+namespace nix {
+
+FetchSettings::FetchSettings()
+{
+}
+
+FetchSettings fetchSettings;
+
+static GlobalConfig::Register rFetchSettings(&fetchSettings);
+
+}