From 3591d639b181b2058ade27c1dbb01ffe023ba57f Mon Sep 17 00:00:00 2001
From: andre4ik3 <andre4ik3@fastmail.com>
Date: Thu, 24 Oct 2024 05:42:31 +0400
Subject: [PATCH] nqptp: copy systemd service and add capability

The binary has its capability to listen on ports removed, and upstream
has already moved to AmbientCapabilities in the systemd service instead
of using setcap. Copying the systemd service allows using the package
with `systemd.packages`.

The patch should be removed after version 1.2.4, along with the other
patch. The patch is taken from [commit 050a8c2][1] in the upstream
repository.

[1]: https://github.com/mikebrady/nqptp/commit/050a8c2de9f3e1f4859abf9b36d2f18afd4c34d7
---
 pkgs/tools/networking/nqptp/default.nix              |  8 +++++++-
 .../nqptp/systemd-service-capability.patch           | 12 ++++++++++++
 2 files changed, 19 insertions(+), 1 deletion(-)
 create mode 100644 pkgs/tools/networking/nqptp/systemd-service-capability.patch

diff --git a/pkgs/tools/networking/nqptp/default.nix b/pkgs/tools/networking/nqptp/default.nix
index 26aec487789d..e045c3fe4237 100644
--- a/pkgs/tools/networking/nqptp/default.nix
+++ b/pkgs/tools/networking/nqptp/default.nix
@@ -18,8 +18,9 @@ stdenv.mkDerivation rec {
   };
 
   patches = [
-    # this patch should be removed when > 1.2.4
+    # these patches should be removed when > 1.2.4
     ./remove-setcap.patch
+    ./systemd-service-capability.patch
   ];
 
   nativeBuildInputs = [ autoreconfHook pkg-config ];
@@ -28,6 +29,11 @@ stdenv.mkDerivation rec {
     ignoredVersions = ".*(-dev|d0)";
   };
 
+  postInstall = ''
+    mkdir -p $out/lib/systemd/system
+    cp nqptp.service $out/lib/systemd/system
+  '';
+
   meta = {
     homepage = "https://github.com/mikebrady/nqptp";
     description = "Daemon and companion application to Shairport Sync that monitors timing data from any PTP clocks";
diff --git a/pkgs/tools/networking/nqptp/systemd-service-capability.patch b/pkgs/tools/networking/nqptp/systemd-service-capability.patch
new file mode 100644
index 000000000000..e06a52fe1c68
--- /dev/null
+++ b/pkgs/tools/networking/nqptp/systemd-service-capability.patch
@@ -0,0 +1,12 @@
+diff --git a/nqptp.service.in b/nqptp.service.in
+index 6f1eb0c..53e6a2e 100644
+--- a/nqptp.service.in
++++ b/nqptp.service.in
+@@ -8,6 +8,7 @@ Before=shairport-sync.service
+ ExecStart=@prefix@/bin/nqptp
+ User=nqptp
+ Group=nqptp
++AmbientCapabilities=CAP_NET_BIND_SERVICE
+ 
+ [Install]
+ WantedBy=multi-user.target