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-rw-r--r--pkgs/development/tools/continuous-integration/dagger/default.nix11
1 files changed, 10 insertions, 1 deletions
diff --git a/pkgs/development/tools/continuous-integration/dagger/default.nix b/pkgs/development/tools/continuous-integration/dagger/default.nix
index ef0e151c938..8bbf57848ac 100644
--- a/pkgs/development/tools/continuous-integration/dagger/default.nix
+++ b/pkgs/development/tools/continuous-integration/dagger/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildGoModule, fetchFromGitHub, testers, dagger }:
+{ lib, buildGoModule, fetchFromGitHub, installShellFiles, testers, dagger }:
 
 buildGoModule rec {
   pname = "dagger";
@@ -20,6 +20,15 @@ buildGoModule rec {
 
   ldflags = [ "-s" "-w" "-X github.com/dagger/dagger/engine.Version=${version}" ];
 
+  nativeBuildInputs = [ installShellFiles ];
+
+  postInstall = ''
+    installShellCompletion --cmd dagger \
+      --bash <($out/bin/dagger completion bash) \
+      --fish <($out/bin/dagger completion fish) \
+      --zsh <($out/bin/dagger completion zsh)
+  '';
+
   passthru.tests.version = testers.testVersion {
     package = dagger;
     command = "dagger version";