From 9486375887757abc92b78fe961f598b41b9353c3 Mon Sep 17 00:00:00 2001
From: Michael Raskin <7c6f434c@mail.ru>
Date: Fri, 5 Feb 2021 12:57:32 +0100
Subject: [PATCH] nixos/service-runner: fix evaluation

Follow-up to: nixos/systemd: allow preStart with other ExecStartPre cmdlines #109976

As the additional ExecStartPre and ExecStartPost are now lists, update
their processing by service-runner.nix
---
 nixos/modules/testing/service-runner.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/nixos/modules/testing/service-runner.nix b/nixos/modules/testing/service-runner.nix
index 99a9f979068d..76e9d4a68c41 100644
--- a/nixos/modules/testing/service-runner.nix
+++ b/nixos/modules/testing/service-runner.nix
@@ -52,7 +52,7 @@ let
 
       # Run the ExecStartPre program.  FIXME: this could be a list.
       my $preStart = <<END_CMD;
-      ${service.serviceConfig.ExecStartPre or ""}
+      ${concatStringsSep "\n" (service.serviceConfig.ExecStartPre or [])}
       END_CMD
       if (defined $preStart && $preStart ne "\n") {
           print STDERR "running ExecStartPre: $preStart\n";
@@ -79,7 +79,7 @@ let
 
       # Run the ExecStartPost program.
       my $postStart = <<END_CMD;
-      ${service.serviceConfig.ExecStartPost or ""}
+      ${concatStringsSep "\n" (service.serviceConfig.ExecStartPost or [])}
       END_CMD
       if (defined $postStart && $postStart ne "\n") {
           print STDERR "running ExecStartPost: $postStart\n";