symfony-cli: add completions and adopt

pkgs/by-name/sy/symfony-cli/package.nix

@@ -7,6 +7,7 @@
   symfony-cli,
   nssTools,
   makeBinaryWrapper,
+  installShellFiles,
 }:
 
 buildGoModule (finalAttrs: {
@@ -39,15 +40,22 @@ buildGoModule (finalAttrs: {
 
   buildInputs = [ makeBinaryWrapper ];
 
+  nativeBuildInputs = [ installShellFiles ];
+
   postInstall = ''
     mkdir $out/libexec
     mv $out/bin/symfony-cli $out/libexec/symfony
 
     makeBinaryWrapper $out/libexec/symfony $out/bin/symfony \
       --prefix PATH : ${lib.makeBinPath [ nssTools ]}
+
+    installShellCompletion --cmd symfony \
+      --bash <($out/bin/symfony completion bash) \
+      --fish <($out/bin/symfony completion fish) \
+      --zsh <($out/bin/symfony completion zsh)
   '';
 
-  # Tests requires network access
+  # Tests require network access
   doCheck = false;
 
   passthru = {
@@ -65,6 +73,6 @@ buildGoModule (finalAttrs: {
     homepage = "https://github.com/symfony-cli/symfony-cli";
     license = lib.licenses.agpl3Plus;
     mainProgram = "symfony";
-    maintainers = with lib.maintainers; [ ];
+    maintainers = with lib.maintainers; [ patka ];
   };
 })