treewide: skip generating shell completions using $out/bin/… when cross compiling

pkgs/applications/misc/comodoro/default.nix

@@ -3,8 +3,8 @@
 , fetchFromGitHub
 , stdenv
 , installShellFiles
-, installShellCompletions ? stdenv.hostPlatform == stdenv.buildPlatform
-, installManPages ? stdenv.hostPlatform == stdenv.buildPlatform
+, installShellCompletions ? stdenv.buildPlatform.canExecute stdenv.hostPlatform
+, installManPages ? stdenv.buildPlatform.canExecute stdenv.hostPlatform
 , withTcp ? true
 }:
 

pkgs/applications/misc/flavours/default.nix

@@ -17,7 +17,7 @@ rustPlatform.buildRustPackage rec {
 
   nativeBuildInputs = [ installShellFiles ];
 
-  postInstall = ''
+  postInstall = lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
     installShellCompletion --cmd flavours \
       --zsh <($out/bin/flavours --completions zsh) \
       --fish <($out/bin/flavours --completions fish) \

pkgs/applications/misc/genact/default.nix

@@ -1,4 +1,4 @@
-{ lib, rustPlatform, fetchFromGitHub, installShellFiles }:
+{ lib, rustPlatform, fetchFromGitHub, installShellFiles, stdenv }:
 
 rustPlatform.buildRustPackage rec {
   pname = "genact";
@@ -15,7 +15,7 @@ rustPlatform.buildRustPackage rec {
 
   nativeBuildInputs = [ installShellFiles ];
 
-  postInstall = ''
+  postInstall = lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
     $out/bin/genact --print-manpage > genact.1
     installManPage genact.1
 

pkgs/applications/misc/inlyne/default.nix

@@ -51,11 +51,11 @@ rustPlatform.buildRustPackage rec {
     "--skip=watcher::tests::the_gauntlet"
   ];
 
-  postInstall = ''
+  postInstall = lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
     installShellCompletion --cmd inlyne \
-      --bash <($out/bin/inlyne --gen-completions bash) \
-      --fish <($out/bin/inlyne --gen-completions fish) \
-      --zsh <($out/bin/inlyne --gen-completions zsh)
+      --bash completions/inlyne.bash \
+      --fish completions/inlyne.fish \
+      --zsh completions/_inlyne
   '';
 
   postFixup = lib.optionalString stdenv.isLinux ''

pkgs/applications/misc/leetcode-cli/default.nix

@@ -34,7 +34,7 @@ rustPlatform.buildRustPackage rec {
     sqlite
   ] ++ lib.optionals stdenv.isDarwin [ darwin.apple_sdk.frameworks.Security ];
 
-  postInstall = ''
+  postInstall = lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
     installShellCompletion --cmd leetcode \
       --bash <($out/bin/leetcode completions bash) \
       --fish <($out/bin/leetcode completions fish) \

pkgs/applications/version-management/git-absorb/default.nix

@@ -19,6 +19,7 @@ rustPlatform.buildRustPackage rec {
 
   postInstall = ''
     installManPage Documentation/git-absorb.1
+  '' + lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
     installShellCompletion --cmd git-absorb \
       --bash <($out/bin/git-absorb --gen-completions bash) \
       --fish <($out/bin/git-absorb --gen-completions fish) \

pkgs/applications/version-management/jujutsu/default.nix

@@ -52,7 +52,7 @@ rustPlatform.buildRustPackage rec {
     libiconv
   ];
 
-  postInstall = ''
+  postInstall = lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
     $out/bin/jj util mangen > ./jj.1
     installManPage ./jj.1
 

pkgs/applications/virtualization/youki/default.nix

@@ -6,6 +6,7 @@
 , dbus
 , libseccomp
 , systemd
+, stdenv
 }:
 
 rustPlatform.buildRustPackage rec {
@@ -27,7 +28,7 @@ rustPlatform.buildRustPackage rec {
 
   buildInputs = [ dbus libseccomp systemd ];
 
-  postInstall = ''
+  postInstall = lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
     installShellCompletion --cmd youki \
       --bash <($out/bin/youki completion -s bash) \
       --fish <($out/bin/youki completion -s fish) \

pkgs/by-name/ab/ab-av1/package.nix

@@ -1,4 +1,4 @@
-{ lib, rustPlatform, fetchFromGitHub, installShellFiles }:
+{ lib, rustPlatform, fetchFromGitHub, installShellFiles, stdenv }:
 
 rustPlatform.buildRustPackage rec {
   pname = "ab-av1";
@@ -15,7 +15,7 @@ rustPlatform.buildRustPackage rec {
 
   nativeBuildInputs = [ installShellFiles ];
 
-  postInstall = ''
+  postInstall = lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
     installShellCompletion --cmd ab-av1 \
       --bash <($out/bin/ab-av1 print-completions bash) \
       --fish <($out/bin/ab-av1 print-completions fish) \

pkgs/by-name/as/ast-grep/package.nix

@@ -25,7 +25,7 @@ rustPlatform.buildRustPackage rec {
     rm .cargo/config.toml
   '';
 
-  postInstall = ''
+  postInstall = lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
     installShellCompletion --cmd sg \
       --bash <($out/bin/sg completions bash) \
       --fish <($out/bin/sg completions fish) \

pkgs/by-name/at/attic-client/package.nix

@@ -46,7 +46,7 @@ rustPlatform.buildRustPackage {
   # to nix-daemon to import NARs, which is not possible in the build sandbox.
   doCheck = false;
 
-  postInstall = lib.optionalString (stdenv.hostPlatform == stdenv.buildPlatform) ''
+  postInstall = lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
     if [[ -f $out/bin/attic ]]; then
       installShellCompletion --cmd attic \
         --bash <($out/bin/attic gen-completions bash) \

pkgs/by-name/cl/clipcat/package.nix

@@ -38,7 +38,7 @@ rustPlatform.buildRustPackage rec {
     "--skip=test_x11_primary"
   ];
 
-  postInstall = ''
+  postInstall = lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
     for cmd in clipcatd clipcatctl clipcat-menu clipcat-notify; do
       installShellCompletion --cmd $cmd \
         --bash <($out/bin/$cmd completions bash) \

pkgs/by-name/co/codeberg-cli/package.nix

@@ -39,7 +39,7 @@ rustPlatform.buildRustPackage rec {
       ]
     );
 
-  postInstall = ''
+  postInstall = lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
     installShellCompletion --cmd berg \
       --bash <($out/bin/berg completion bash) \
       --fish <($out/bin/berg completion fish) \

pkgs/by-name/di/diesel-cli/package.nix

@@ -79,7 +79,7 @@ rustPlatform.buildRustPackage rec {
   # Tests currently fail due to *many* duplicate definition errors
   doCheck = false;
 
-  postInstall = ''
+  postInstall = lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
     installShellCompletion --cmd diesel \
       --bash <($out/bin/diesel completions bash) \
       --fish <($out/bin/diesel completions fish) \

pkgs/by-name/el/elf2nucleus/package.nix

@@ -4,6 +4,7 @@
 , lib
 , micronucleus
 , rustPlatform
+, stdenv
 }:
 
 rustPlatform.buildRustPackage rec {
@@ -23,7 +24,7 @@ rustPlatform.buildRustPackage rec {
 
   buildInputs = [ micronucleus ];
 
-  postInstall = ''
+  postInstall = lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
     installShellCompletion --cmd elf2nucleus \
       --bash <($out/bin/elf2nucleus --completions bash) \
       --fish <($out/bin/elf2nucleus --completions fish) \

pkgs/by-name/en/engage/package.nix

@@ -2,6 +2,7 @@
 , installShellFiles
 , rustPlatform
 , fetchFromGitLab
+, stdenv
 }:
 
 let
@@ -25,7 +26,8 @@ rustPlatform.buildRustPackage {
     installShellFiles
   ];
 
-  postInstall = "installShellCompletion --cmd ${pname} "
+  postInstall = lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) (
+    "installShellCompletion --cmd ${pname} "
     + builtins.concatStringsSep
       " "
       (builtins.map
@@ -35,7 +37,8 @@ rustPlatform.buildRustPackage {
           "fish"
           "zsh"
         ]
-      );
+      )
+    );
 
   meta = {
     description = "Task runner with DAG-based parallelism";

pkgs/by-name/hi/himalaya/package.nix

@@ -5,8 +5,8 @@
 , pkg-config
 , darwin
 , installShellFiles
-, installShellCompletions ? stdenv.hostPlatform == stdenv.buildPlatform
-, installManPages ? stdenv.hostPlatform == stdenv.buildPlatform
+, installShellCompletions ? stdenv.buildPlatform.canExecute stdenv.hostPlatform
+, installManPages ? stdenv.buildPlatform.canExecute stdenv.hostPlatform
 , notmuch
 , gpgme
 , buildNoDefaultFeatures ? false

pkgs/by-name/jo/joshuto/package.nix

@@ -25,7 +25,7 @@ rustPlatform.buildRustPackage rec {
     darwin.apple_sdk.frameworks.Foundation
   ];
 
-  postInstall = ''
+  postInstall = lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
     installShellCompletion --cmd joshuto \
       --bash <($out/bin/joshuto completions bash) \
       --zsh <($out/bin/joshuto completions zsh) \

pkgs/by-name/ma/maa-cli/package.nix

@@ -51,29 +51,32 @@ rustPlatform.buildRustPackage rec {
 
   # maa-cli would only seach libMaaCore.so and resources in itself's path
   # https://github.com/MaaAssistantArknights/maa-cli/issues/67
-  postInstall = ''
-    mkdir -p $out/share/maa-assistant-arknights/
-    ln -s ${maa-assistant-arknights}/share/maa-assistant-arknights/* $out/share/maa-assistant-arknights/
-    ln -s ${maa-assistant-arknights}/lib/* $out/share/maa-assistant-arknights/
-    mv $out/bin/maa $out/share/maa-assistant-arknights/
+  postInstall =
+    ''
+      mkdir -p $out/share/maa-assistant-arknights/
+      ln -s ${maa-assistant-arknights}/share/maa-assistant-arknights/* $out/share/maa-assistant-arknights/
+      ln -s ${maa-assistant-arknights}/lib/* $out/share/maa-assistant-arknights/
+      mv $out/bin/maa $out/share/maa-assistant-arknights/
 
-    makeWrapper $out/share/maa-assistant-arknights/maa $out/bin/maa \
-      --prefix PATH : "${
-        lib.makeBinPath [
-          android-tools
-          git
-        ]
-      }"
+      makeWrapper $out/share/maa-assistant-arknights/maa $out/bin/maa \
+        --prefix PATH : "${
+          lib.makeBinPath [
+            android-tools
+            git
+          ]
+        }"
 
-    installShellCompletion --cmd maa \
-      --bash <($out/bin/maa complete bash) \
-      --fish <($out/bin/maa complete fish) \
-      --zsh <($out/bin/maa complete zsh)
+    ''
+    + lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
+      installShellCompletion --cmd maa \
+        --bash <($out/bin/maa complete bash) \
+        --fish <($out/bin/maa complete fish) \
+        --zsh <($out/bin/maa complete zsh)
 
-    mkdir -p manpage
-    $out/bin/maa mangen --path manpage
-    installManPage manpage/*
-  '';
+      mkdir -p manpage
+      $out/bin/maa mangen --path manpage
+      installManPage manpage/*
+    '';
 
   meta = with lib; {
     description = "Simple CLI for MAA by Rust";

pkgs/by-name/ne/neverest/package.nix

@@ -5,8 +5,8 @@
 , pkg-config
 , darwin
 , installShellFiles
-, installShellCompletions ? stdenv.hostPlatform == stdenv.buildPlatform
-, installManPages ? stdenv.hostPlatform == stdenv.buildPlatform
+, installShellCompletions ? stdenv.buildPlatform.canExecute stdenv.hostPlatform
+, installManPages ? stdenv.buildPlatform.canExecute stdenv.hostPlatform
 , notmuch
 , buildNoDefaultFeatures ? false
 , buildFeatures ? []

pkgs/by-name/pa/pace/package.nix

@@ -3,6 +3,7 @@
   rustPlatform,
   fetchFromGitHub,
   installShellFiles,
+  stdenv,
 }: let
   version = "0.15.2";
 in
@@ -21,7 +22,7 @@ in
 
     nativeBuildInputs = [installShellFiles];
 
-    postInstall = ''
+    postInstall = lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
       installShellCompletion --cmd pace \
         --bash <($out/bin/pace setup completions bash) \
         --fish <($out/bin/pace setup completions fish) \

pkgs/by-name/pi/pixi/package.nix

@@ -80,7 +80,7 @@ rustPlatform.buildRustPackage rec {
     "--skip=cli::shell_hook::tests::test_environment_json"
   ];
 
-  postInstall = ''
+  postInstall = lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
     installShellCompletion --cmd pixi \
       --bash <($out/bin/pixi completion --shell bash) \
       --fish <($out/bin/pixi completion --shell fish) \

pkgs/by-name/qr/qrtool/package.nix

@@ -1,4 +1,5 @@
 { lib
+, stdenv
 , fetchFromGitHub
 , rustPlatform
 , asciidoctor
@@ -24,6 +25,7 @@ rustPlatform.buildRustPackage rec {
     # Built by ./build.rs using `asciidoctor`
     installManPage ./target/*/release/build/qrtool*/out/*.?
 
+  '' + lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
     installShellCompletion --cmd qrtool \
       --bash <($out/bin/qrtool --generate-completion bash) \
       --fish <($out/bin/qrtool --generate-completion fish) \

pkgs/by-name/re/release-plz/package.nix

@@ -28,7 +28,7 @@ rustPlatform.buildRustPackage rec {
   # Tests depend on additional infrastructure to be running locally
   doCheck = false;
 
-  postInstall = ''
+  postInstall = lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
     installShellCompletion --cmd ${meta.mainProgram} \
       --bash <($out/bin/${meta.mainProgram} generate-completions bash) \
       --fish <($out/bin/${meta.mainProgram} generate-completions fish) \

pkgs/by-name/sn/sn0int/package.nix

@@ -41,7 +41,7 @@ rustPlatform.buildRustPackage rec {
   # in "checkPhase", hence fails in sandbox of "nix".
   doCheck = false;
 
-  postInstall = ''
+  postInstall = lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform)  ''
     installShellCompletion --cmd sn0int \
       --bash <($out/bin/sn0int completions bash) \
       --fish <($out/bin/sn0int completions fish) \

pkgs/by-name/so/solana-cli/package.nix

@@ -80,7 +80,7 @@ rustPlatform.buildRustPackage rec {
     Libsystem
   ];
 
-  postInstall = ''
+  postInstall = lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
     installShellCompletion --cmd solana \
       --bash <($out/bin/solana completion --shell bash) \
       --fish <($out/bin/solana completion --shell fish) \

pkgs/by-name/st/steamguard-cli/package.nix

@@ -2,6 +2,7 @@
 , lib
 , rustPlatform
 , fetchFromGitHub
+, stdenv
 }:
 
 rustPlatform.buildRustPackage rec {
@@ -18,7 +19,7 @@ rustPlatform.buildRustPackage rec {
   cargoHash = "sha256-LYrn0MKrOYjYPLdBukXRXGW+XWVcGHNAl0vC/qkmkNs=";
 
   nativeBuildInputs = [ installShellFiles ];
-  postInstall = ''
+  postInstall = lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
     installShellCompletion --cmd steamguard \
       --bash <($out/bin/steamguard completion --shell bash) \
       --fish <($out/bin/steamguard completion --shell fish) \

pkgs/by-name/zo/zola/package.nix

@@ -36,7 +36,7 @@ rustPlatform.buildRustPackage rec {
 
   RUSTONIG_SYSTEM_LIBONIG = true;
 
-  postInstall = ''
+  postInstall = lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
     installShellCompletion --cmd zola \
       --bash <($out/bin/zola completion bash) \
       --fish <($out/bin/zola completion fish) \

pkgs/development/compilers/jrsonnet/default.nix

@@ -1,4 +1,4 @@
-{ lib, rustPlatform, fetchFromGitHub, installShellFiles }:
+{ lib, rustPlatform, fetchFromGitHub, installShellFiles, stdenv }:
 
 rustPlatform.buildRustPackage rec {
   pname = "jrsonnet";
@@ -28,6 +28,7 @@ rustPlatform.buildRustPackage rec {
   postInstall = ''
     ln -s $out/bin/jrsonnet $out/bin/jsonnet
 
+  '' + lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
     for shell in bash zsh fish; do
       installShellCompletion --cmd jrsonnet \
         --$shell <($out/bin/jrsonnet --generate $shell /dev/null)

pkgs/development/tools/cocogitto/default.nix

@@ -21,7 +21,7 @@ rustPlatform.buildRustPackage rec {
 
   buildInputs = [ libgit2 ] ++ lib.optional stdenv.isDarwin Security;
 
-  postInstall = ''
+  postInstall = lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
     installShellCompletion --cmd cog \
       --bash <($out/bin/cog generate-completions bash) \
       --fish <($out/bin/cog generate-completions fish) \