bazel-gazelle: init at 0.20.0 (#84222)

pkgs/development/tools/bazel-gazelle/default.nix

@@ -0,0 +1,31 @@
+{ buildGoModule
+, fetchFromGitHub
+, lib
+}:
+
+buildGoModule rec {
+  pname = "bazel-gazelle";
+  version = "0.20.0";
+
+  src = fetchFromGitHub {
+    owner = "bazelbuild";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "1rw9zq8rmc0zr91kk70xl67dl6jx4dswwisv3bd1f16yncqgv2a1";
+  };
+
+  modSha256 = "0bfhy0ig8apxb5qzxjdj6q7jr2i6rdq0ffby0pha8viadah8v2rm";
+
+  subPackages = [ "cmd/gazelle" ];
+
+  meta = with lib; {
+    homepage = https://github.com/bazelbuild/bazel-gazelle;
+    description = ''
+      Gazelle is a Bazel build file generator for Bazel projects. It natively
+      supports Go and protobuf, and it may be extended to support new languages
+      and custom rule sets.
+    '';
+    license = licenses.asl20;
+    maintainers = with maintainers; [ kalbasit ];
+  };
+}

pkgs/top-level/all-packages.nix

@@ -9875,6 +9875,8 @@ in
     go = go_1_12;
   };
 
+  bazel-gazelle = callPackage ../development/tools/bazel-gazelle { };
+
   bazelisk = callPackage ../development/tools/bazelisk { };
 
   buildBazelPackage = callPackage ../build-support/build-bazel-package { };