bazel_0_4: remove

bazel_0_4 fails to build since 2018-04-29, so clearly nobody is using
it.

pkgs/development/tools/build-managers/bazel/0.4.nix

@@ -1,100 +0,0 @@
-{ stdenv, lib, fetchurl, jdk, zip, unzip, bash, makeWrapper, which, coreutils
-# Always assume all markers valid (don't redownload dependencies).
-# Also, don't clean up environment variables.
-, enableNixHacks ? false
-}:
-
-stdenv.mkDerivation rec {
-
-  version = "0.4.5";
-
-  meta = with stdenv.lib; {
-    homepage = https://github.com/bazelbuild/bazel/;
-    description = "Build tool that builds code quickly and reliably";
-    license = licenses.asl20;
-    maintainers = with maintainers; [ cstrahan philandstuff ];
-    platforms = platforms.linux;
-    broken = true; # 2018-08-07
-  };
-
-  pname = "bazel";
-
-  src = fetchurl {
-    url = "https://github.com/bazelbuild/bazel/releases/download/${version}/bazel-${version}-dist.zip";
-    sha256 = "0asmq3kxnl4326zhgh13mvcrc8jvmiswjj4ymrq0943q4vj7nwrb";
-  };
-
-  preUnpack = ''
-    mkdir bazel
-    cd bazel
-  '';
-  sourceRoot = ".";
-
-  patches = lib.optional enableNixHacks ./nix-hacks-0.4.patch;
-
-  postPatch = ''
-    for f in $(grep -l -r '/bin/bash'); do
-      substituteInPlace "$f" --replace '/bin/bash' '${bash}/bin/bash'
-    done
-    for f in $(grep -l -r '/usr/bin/env'); do
-      substituteInPlace "$f" --replace '/usr/bin/env' '${coreutils}/bin/env'
-    done
-  '' + lib.optionalString stdenv.isDarwin ''
-    sed -i 's,/usr/bin/xcrun clang,clang,g' \
-      scripts/bootstrap/compile.sh \
-      src/tools/xcode/realpath/BUILD \
-      src/tools/xcode/stdredirect/BUILD \
-      src/tools/xcode/xcrunwrapper/xcrunwrapper.sh
-    sed -i 's,/usr/bin/xcrun "''${TOOLNAME}","''${TOOLNAME}",g' \
-      src/tools/xcode/xcrunwrapper/xcrunwrapper.sh
-    sed -i 's/"xcrun", "clang"/"clang"/g' tools/osx/xcode_configure.bzl
-  '';
-
-  buildInputs = [
-    jdk
-    zip
-    unzip
-    makeWrapper
-    which
-  ];
-
-  # These must be propagated since the dependency is hidden in a compressed
-  # archive.
-
-  propagatedBuildInputs = [
-    bash
-  ];
-
-  buildPhase = ''
-    export TMPDIR=/tmp/.bazel-$UID
-    ./compile.sh
-    ./output/bazel --output_user_root=$TMPDIR/.bazel build //scripts:bash_completion \
-      --spawn_strategy=standalone \
-      --genrule_strategy=standalone
-    cp bazel-bin/scripts/bazel-complete.bash output/
-  '';
-
-  # Build the CPP and Java examples to verify that Bazel works.
-
-  doCheck = true;
-  checkPhase = ''
-    export TEST_TMPDIR=$(pwd)
-    ./output/bazel test --test_output=errors \
-        examples/cpp:hello-success_test \
-        examples/java-native/src/test/java/com/example/myproject:hello
-  '';
-
-  # Bazel expects gcc and java to be in the path.
-
-  installPhase = ''
-    mkdir -p $out/bin
-    mv output/bazel $out/bin
-    wrapProgram "$out/bin/bazel" --prefix PATH : "${stdenv.cc}/bin:${jdk}/bin"
-    mkdir -p $out/share/bash-completion/completions $out/share/zsh/site-functions
-    mv output/bazel-complete.bash $out/share/bash-completion/completions/
-    cp scripts/zsh_completion/_bazel $out/share/zsh/site-functions/
-  '';
-
-  dontStrip = true;
-  dontPatchELF = true;
-}

pkgs/development/tools/build-managers/bazel/nix-hacks-0.4.patch

@@ -1,51 +0,0 @@
-diff --git a/src/main/java/com/google/devtools/build/lib/rules/repository/RepositoryDelegatorFunction.java b/src/main/java/com/google/devtools/build/lib/rules/repository/RepositoryDelegatorFunction.java
-index eafa09fb5..d2d5e40e8 100644
---- a/src/main/java/com/google/devtools/build/lib/rules/repository/RepositoryDelegatorFunction.java
-+++ b/src/main/java/com/google/devtools/build/lib/rules/repository/RepositoryDelegatorFunction.java
-@@ -287,21 +287,8 @@ public final class RepositoryDelegatorFunction implements SkyFunction {
-           markerData.put(key, value);
-         }
-       }
--      boolean result = false;
--      if (markerRuleKey.equals(ruleKey)) {
--        result = handler.verifyMarkerData(rule, markerData, env);
--        if (env.valuesMissing()) {
--          return null;
--        }
--      }
- 
--      if (result) {
--        return new Fingerprint().addString(content).digestAndReset();
--      } else {
--        // So that we are in a consistent state if something happens while fetching the repository
--        markerPath.delete();
--        return null;
--      }
-+      return new Fingerprint().addString(content).digestAndReset();
- 
-     } catch (IOException e) {
-       throw new RepositoryFunctionException(e, Transience.TRANSIENT);
-diff --git a/src/main/java/com/google/devtools/build/lib/shell/JavaSubprocessFactory.java b/src/main/java/com/google/devtools/build/lib/shell/JavaSubprocessFactory.java
-index a7ebc8f7a..40f2049fa 100644
---- a/src/main/java/com/google/devtools/build/lib/shell/JavaSubprocessFactory.java
-+++ b/src/main/java/com/google/devtools/build/lib/shell/JavaSubprocessFactory.java
-@@ -129,7 +129,6 @@ public class JavaSubprocessFactory implements SubprocessFactory {
-     ProcessBuilder builder = new ProcessBuilder();
-     builder.command(params.getArgv());
-     if (params.getEnv() != null) {
--      builder.environment().clear();
-       builder.environment().putAll(params.getEnv());
-     }
- 
-diff --git a/src/main/java/com/google/devtools/build/lib/worker/Worker.java b/src/main/java/com/google/devtools/build/lib/worker/Worker.java
-index 0268d1b2b..637364657 100644
---- a/src/main/java/com/google/devtools/build/lib/worker/Worker.java
-+++ b/src/main/java/com/google/devtools/build/lib/worker/Worker.java
-@@ -77,7 +77,6 @@ class Worker {
-         new ProcessBuilder(command)
-             .directory(workDir.getPathFile())
-             .redirectError(Redirect.appendTo(logFile.getPathFile()));
--    processBuilder.environment().clear();
-     processBuilder.environment().putAll(workerKey.getEnv());
- 
-     this.process = processBuilder.start();

pkgs/top-level/all-packages.nix

@@ -9292,9 +9292,6 @@ in
 
   bam = callPackage ../development/tools/build-managers/bam {};
 
-  bazel_0_4 = callPackage ../development/tools/build-managers/bazel/0.4.nix {
-    stdenv = if stdenv.cc.isClang then llvmPackages_6.stdenv else stdenv;
-  };
   bazel = callPackage ../development/tools/build-managers/bazel {
     inherit (darwin) cctools;
     inherit (darwin.apple_sdk.frameworks) CoreFoundation CoreServices Foundation;