kmscon: fix systemd unit path and runtime dependency

pkgs/by-name/km/kmscon/package.nix

@@ -18,6 +18,8 @@
   ninja,
   check,
   bash,
+  gawk,
+  inotify-tools,
   buildPackages,
   nix-update-script,
   nixosTests,
@@ -78,6 +80,13 @@ stdenv.mkDerivation (finalAttrs: {
     done
   '';
 
+  postFixup = ''
+    substituteInPlace $out/bin/kmscon \
+      --replace-fail "awk" "${lib.getExe gawk}"
+    substituteInPlace $out/bin/kmscon-launch-gui \
+      --replace-fail "inotifywait" "${lib.getExe' inotify-tools "inotifywait"}"
+  '';
+
   passthru = {
     tests.kmscon = nixosTests.kmscon;
     updateScript = nix-update-script { extraArgs = [ "--use-github-releases" ]; };

pkgs/by-name/km/kmscon/sandbox.patch

@@ -7,7 +7,7 @@ index de29a32..e731bbd 100644
  
  systemd_deps = dependency('systemd', required: false)
 -systemdsystemunitdir = systemd_deps.get_variable('systemdsystemunitdir', default_value: 'lib/systemd/system')
-+systemdsystemunitdir = get_option('libdir') / 'systemd'
++systemdsystemunitdir = get_option('libdir') / 'systemd' / 'system'
  
  #
  # Required dependencies