1 files changed, 9 insertions, 8 deletions
diff --git a/nixpkgs/pkgs/development/tools/build-managers/buck/default.nix b/nixpkgs/pkgs/development/tools/build-managers/buck/default.nix
index 0fbcb95704b0..0b893ea808a4 100644
--- a/nixpkgs/pkgs/development/tools/build-managers/buck/default.nix
+++ b/nixpkgs/pkgs/development/tools/build-managers/buck/default.nix
@@ -1,14 +1,14 @@
-{ lib, stdenv, fetchFromGitHub, jdk, ant, python2, python2Packages, watchman, bash, makeWrapper }:
+{ lib, stdenv, fetchFromGitHub, jdk8, ant, python3, watchman, bash, makeWrapper }:
 
 stdenv.mkDerivation rec {
   pname = "buck";
-  version = "2019.10.17.01";
+  version = "2021.01.12.01";
 
   src = fetchFromGitHub {
     owner = "facebook";
     repo = pname;
     rev = "v${version}";
-    sha256 = "1irgp8yq1z11bq3b83yxvj35wqqq7y7b8q4d4y0hc05ac19ja0vj";
+    sha256 = "sha256-NFiMQ+cG93R10LlkfUMzZ4TnV0uO5G+8S5TiMI6hU5o=";
   };
 
   patches = [ ./pex-mtime.patch ];
@@ -17,20 +17,21 @@ stdenv.mkDerivation rec {
     grep -l -r '/bin/bash' --null | xargs -0 sed -i -e "s!/bin/bash!${bash}/bin/bash!g"
   '';
 
-  buildInputs = [ jdk ant python2 watchman python2Packages.pywatchman ];
-  nativeBuildInputs = [ makeWrapper ];
+  nativeBuildInputs = [ makeWrapper python3 jdk8 ant watchman ];
 
   buildPhase = ''
+    # Set correct version, see https://github.com/facebook/buck/issues/2607
+    echo v${version} > .buckrelease
+
     ant
 
     PYTHONDONTWRITEBYTECODE=true ./bin/buck build -c buck.release_version=${version} buck
   '';
 
   installPhase = ''
-    install -D -m755 buck-out/gen/programs/buck.pex $out/bin/buck
+    install -D -m755 buck-out/gen/*/programs/buck.pex $out/bin/buck
     wrapProgram $out/bin/buck \
-      --prefix PYTHONPATH : $PYTHONPATH \
-      --prefix PATH : "${lib.makeBinPath [jdk watchman]}"
+      --prefix PATH : "${lib.makeBinPath [ jdk8 watchman python3 ]}"
   '';
 
   meta = with lib; {