lima: fix cross

Only try to generate shell completions if the executables can be run

pkgs/applications/virtualization/lima/bin.nix

@@ -57,7 +57,7 @@ stdenvNoCC.mkDerivation {
     chmod +x $out/bin/limactl
     wrapProgram $out/bin/limactl \
       --prefix PATH : ${lib.makeBinPath [ qemu ]}
-
+  '' + lib.optionalString (stdenvNoCC.buildPlatform.canExecute stdenvNoCC.hostPlatform) ''
     # the shell completion only works with a patched $out/bin/limactl and so
     # needs to run after the autoPatchelfHook is executed in postFixup.
     doShellCompletion() {
@@ -67,7 +67,7 @@ stdenvNoCC.mkDerivation {
         --zsh <($out/bin/limactl completion zsh)
     }
     postFixupHooks+=(doShellCompletion)
-
+  '' + ''
     runHook postInstall
   '';
 

pkgs/applications/virtualization/lima/default.nix

@@ -54,10 +54,12 @@ buildGoModule rec {
     cp -r _output/* $out
     wrapProgram $out/bin/limactl \
       --prefix PATH : ${lib.makeBinPath [ qemu ]}
+  '' + lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
     installShellCompletion --cmd limactl \
       --bash <($out/bin/limactl completion bash) \
       --fish <($out/bin/limactl completion fish) \
       --zsh <($out/bin/limactl completion zsh)
+  '' + ''
     runHook postInstall
   '';