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-rw-r--r--nix/libstore/globals.hh9
1 files changed, 9 insertions, 0 deletions
diff --git a/nix/libstore/globals.hh b/nix/libstore/globals.hh
index 27616a2283..7cfa06e76c 100644
--- a/nix/libstore/globals.hh
+++ b/nix/libstore/globals.hh
@@ -206,6 +206,15 @@ struct Settings {
/* Whether to show a stack trace if Nix evaluation fails. */
bool showTrace;
+ /* Whether fixed-output chroot builds should be able to use the host
+ loopback, for example to access a socks proxy. Note that while using
+ "localhost" and 127.0.0.1 to access the host loopback will work, using
+ ::1 will not, due to a limitation in Linux. */
+ bool useHostLoopback;
+
+ /* The filename to use for executing slirp4netns when it is needed. */
+ Path slirp4netns;
+
private:
SettingsMap settings, overrides;