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-rw-r--r--pkgs/development/compilers/purescript/psc-package/default.nix10
1 files changed, 6 insertions, 4 deletions
diff --git a/pkgs/development/compilers/purescript/psc-package/default.nix b/pkgs/development/compilers/purescript/psc-package/default.nix
index 88f7adce5a1..0bebd5d2f50 100644
--- a/pkgs/development/compilers/purescript/psc-package/default.nix
+++ b/pkgs/development/compilers/purescript/psc-package/default.nix
@@ -44,10 +44,12 @@ stdenv.mkDerivation rec {
   '' + ''
     chmod u-w $PSC_PACKAGE
 
-    installShellCompletion --cmd psc-package \
-      --bash <($PSC_PACKAGE --bash-completion-script $PSC_PACKAGE) \
-      --fish <($PSC_PACKAGE --fish-completion-script $PSC_PACKAGE) \
-      --zsh <($PSC_PACKAGE --zsh-completion-script $PSC_PACKAGE)
+    $PSC_PACKAGE --bash-completion-script $PSC_PACKAGE > psc-package.bash
+    $PSC_PACKAGE --fish-completion-script $PSC_PACKAGE > psc-package.fish
+    $PSC_PACKAGE --zsh-completion-script $PSC_PACKAGE > _psc-package
+    installShellCompletion \
+      psc-package.{bash,fish} \
+      --zsh _psc-package
   '';
 
   meta = with lib; {