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-rw-r--r--nixos/modules/services/web-apps/akkoma.nix17
1 files changed, 12 insertions, 5 deletions
diff --git a/nixos/modules/services/web-apps/akkoma.nix b/nixos/modules/services/web-apps/akkoma.nix
index 8d1775258612..eaee70c712bb 100644
--- a/nixos/modules/services/web-apps/akkoma.nix
+++ b/nixos/modules/services/web-apps/akkoma.nix
@@ -282,11 +282,11 @@ let
         AKKOMA_CONFIG_PATH="$RUNTIME_DIRECTORY/config.exs" \
         ERL_EPMD_ADDRESS="${cfg.dist.address}" \
         ERL_EPMD_PORT="${toString cfg.dist.epmdPort}" \
-        ERL_FLAGS="${concatStringsSep " " [
-          "-kernel inet_dist_use_interface '${erlAddr cfg.dist.address}'"
-          "-kernel inet_dist_listen_min ${toString cfg.dist.portMin}"
-          "-kernel inet_dist_listen_max ${toString cfg.dist.portMax}"
-        ]}" \
+        ERL_FLAGS=${lib.escapeShellArg (lib.escapeShellArgs ([
+          "-kernel" "inet_dist_use_interface" (erlAddr cfg.dist.address)
+          "-kernel" "inet_dist_listen_min" (toString cfg.dist.portMin)
+          "-kernel" "inet_dist_listen_max" (toString cfg.dist.portMax)
+        ] ++ cfg.dist.extraFlags))} \
         RELEASE_COOKIE="$(<"$RUNTIME_DIRECTORY/cookie")" \
         RELEASE_NAME="akkoma" \
           exec "${cfg.package}/bin/$(basename "$0")" "$@"
@@ -553,6 +553,13 @@ in {
           description = mdDoc "TCP port to bind Erlang Port Mapper Daemon to.";
         };
 
+        extraFlags = mkOption {
+          type = with types; listOf str;
+          default = [ ];
+          description = mdDoc "Extra flags to pass to Erlang";
+          example = [ "+sbwt" "none" "+sbwtdcpu" "none" "+sbwtdio" "none" ];
+        };
+
         portMin = mkOption {
           type = types.port;
           default = 49152;