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-rw-r--r--nix/nix-daemon/guix-daemon.cc21
1 files changed, 21 insertions, 0 deletions
diff --git a/nix/nix-daemon/guix-daemon.cc b/nix/nix-daemon/guix-daemon.cc
index cd949aca67..30d0e5d11d 100644
--- a/nix/nix-daemon/guix-daemon.cc
+++ b/nix/nix-daemon/guix-daemon.cc
@@ -89,6 +89,7 @@ builds derivations on behalf of its clients.");
#define GUIX_OPT_TIMEOUT 18
#define GUIX_OPT_MAX_SILENT_TIME 19
#define GUIX_OPT_LOG_COMPRESSION 20
+#define GUIX_OPT_DISCOVER 21
static const struct argp_option options[] =
{
@@ -129,6 +130,8 @@ static const struct argp_option options[] =
n_("disable compression of the build logs") },
{ "log-compression", GUIX_OPT_LOG_COMPRESSION, "TYPE", 0,
n_("use the specified compression type for build logs") },
+ { "discover", GUIX_OPT_DISCOVER, "yes/no", OPTION_ARG_OPTIONAL,
+ n_("use substitute servers discovered on the local network") },
/* '--disable-deduplication' was known as '--disable-store-optimization'
up to Guix 0.7 included, so keep the alias around. */
@@ -167,6 +170,8 @@ to live outputs") },
/* List of '--listen' options. */
static std::list<std::string> listen_options;
+static bool useDiscover = false;
+
/* Convert ARG to a Boolean value, or throw an error if it does not denote a
Boolean. */
static bool
@@ -261,6 +266,10 @@ parse_opt (int key, char *arg, struct argp_state *state)
case GUIX_OPT_NO_BUILD_HOOK:
settings.useBuildHook = false;
break;
+ case GUIX_OPT_DISCOVER:
+ useDiscover = string_to_bool (arg);
+ settings.set("discover", arg);
+ break;
case GUIX_OPT_DEBUG:
verbosity = lvlDebug;
break;
@@ -506,6 +515,18 @@ using `--build-users-group' is highly recommended\n"));
format ("extra chroot directories: '%1%'") % chroot_dirs);
}
+ if (useDiscover)
+ {
+ Strings args;
+
+ args.push_back("guix");
+ args.push_back("discover");
+
+ startProcess([&]() {
+ execv(settings.guixProgram.c_str(), stringsToCharPtrs(args).data());
+ });
+ }
+
printMsg (lvlDebug,
format ("automatic deduplication set to %1%")
% settings.autoOptimiseStore);