1 files changed, 10 insertions, 0 deletions
diff --git a/nix/default.nix b/nix/default.nix
index 60e1981..ca449c8 100644
--- a/nix/default.nix
+++ b/nix/default.nix
@@ -1,6 +1,7 @@
 { lib
 , stdenv
 , rustPlatform
+, installShellFiles
 , darwin
 , version ? "git"
 }:
@@ -22,6 +23,15 @@ rustPlatform.buildRustPackage rec {
     darwin.apple_sdk.frameworks.Foundation
   ];
 
+  nativeBuildInputs = [ installShellFiles ];
+
+  postInstall = ''
+    installShellCompletion --cmd joshuto \
+      --bash <($out/bin/joshuto completions bash) \
+      --zsh <($out/bin/joshuto completions zsh) \
+      --fish <($out/bin/joshuto completions fish)
+  '';
+
   patchPhase = ''
     sed -i 's/env!("CARGO_PKG_VERSION")/\"${version}\"/g' src/main.rs
   '';