ppp service signal readiness only when ip-up has run

as downstream services need e.g. ifname which is not written by ipv6-up
2024-10-16 22:59:01 +01:00 · 2024-10-16 22:59:01 +01:00 · b1625763ee
commit b1625763ee
parent 91bdfc2766
1 changed files with 1 additions and 1 deletions
--- a/modules/ppp/common.nix
+++ b/modules/ppp/common.nix
@ -33,7 +33,7 @@ let
     echo $4 > ipv6-address
     echo $5 > ipv6-peer-address
    )
-    echo >/proc/self/fd/10
+    test -e tty && echo >/proc/self/fd/10
  '';
  literal_or_output =
    let v = o: ({