mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-12-21 05:25:38 +00:00
217 lines
8.5 KiB
Nix
217 lines
8.5 KiB
Nix
{ stdenv, lib, fetchurl, fetchpatch, runCommand, makeWrapper
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, jdk, zip, unzip, bash, writeCBin, coreutils
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, which, python, perl, gnused, gnugrep, findutils
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# Apple dependencies
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, cctools, clang, libcxx, CoreFoundation, CoreServices, Foundation
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# Allow to independently override the jdks used to build and run respectively
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, buildJdk ? jdk, runJdk ? jdk
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# Always assume all markers valid (don't redownload dependencies).
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# Also, don't clean up environment variables.
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, enableNixHacks ? false
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}:
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let
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srcDeps = lib.singleton (
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fetchurl {
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url = "https://github.com/google/desugar_jdk_libs/archive/f5e6d80c6b4ec6b0a46603f72b015d45cf3c11cd.zip";
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sha256 = "c80f3f3d442d8a6ca7adc83f90ecd638c3864087fdd6787ffac070b6f1cc8f9b";
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}
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);
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distDir = runCommand "bazel-deps" {} ''
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mkdir -p $out
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for i in ${builtins.toString srcDeps}; do cp $i $out/$(stripHash $i); done
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'';
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defaultShellPath = lib.makeBinPath [ bash coreutils findutils gnugrep gnused which ];
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in
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stdenv.mkDerivation rec {
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version = "0.17.1";
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meta = with lib; {
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homepage = "https://github.com/bazelbuild/bazel/";
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description = "Build tool that builds code quickly and reliably";
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license = licenses.asl20;
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maintainers = [ maintainers.mboes ];
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platforms = platforms.linux ++ platforms.darwin;
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};
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name = "bazel-${version}";
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src = fetchurl {
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url = "https://github.com/bazelbuild/bazel/releases/download/${version}/bazel-${version}-dist.zip";
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sha256 = "081z40vsxvw6ndiinik4pn09gxmv140k6l9zv93dgjr86qf2ir13";
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};
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sourceRoot = ".";
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patches =
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lib.optional enableNixHacks ./nix-hacks.patch
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# patch perl out of the bash completions
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# should land in 0.18
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++ [(fetchpatch {
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url = "https://github.com/bazelbuild/bazel/commit/27be70979b54d7510bf401d9581fb4075737ef34.patch";
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sha256 = "04rip46lnibrsdyzjpi29wf444b49cbwb1xjcbrr3kdqsdj4d8h5";
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})];
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# Bazel expects several utils to be available in Bash even without PATH. Hence this hack.
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customBash = writeCBin "bash" ''
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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extern char **environ;
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int main(int argc, char *argv[]) {
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char *path = getenv("PATH");
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char *pathToAppend = "${defaultShellPath}";
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char *newPath;
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if (path != NULL) {
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int length = strlen(path) + 1 + strlen(pathToAppend) + 1;
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newPath = malloc(length * sizeof(char));
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snprintf(newPath, length, "%s:%s", path, pathToAppend);
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} else {
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newPath = pathToAppend;
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}
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setenv("PATH", newPath, 1);
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execve("${bash}/bin/bash", argv, environ);
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return 0;
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}
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'';
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postPatch = let
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darwinPatches = ''
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# Disable Bazel's Xcode toolchain detection which would configure compilers
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# and linkers from Xcode instead of from PATH
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export BAZEL_USE_CPP_ONLY_TOOLCHAIN=1
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# Explicitly configure gcov since we don't have it on Darwin, so autodetection fails
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export GCOV=${coreutils}/bin/false
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# Framework search paths aren't added by bintools hook
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# https://github.com/NixOS/nixpkgs/pull/41914
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export NIX_LDFLAGS="$NIX_LDFLAGS -F${CoreFoundation}/Library/Frameworks -F${CoreServices}/Library/Frameworks -F${Foundation}/Library/Frameworks"
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# libcxx includes aren't added by libcxx hook
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# https://github.com/NixOS/nixpkgs/pull/41589
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export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE -isystem ${libcxx}/include/c++/v1"
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# 10.10 apple_sdk Foundation doesn't have type arguments on classes
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# Remove this when we update apple_sdk
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sed -i -e 's/<.*\*>//g' tools/osx/xcode_locator.m
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# don't use system installed Xcode to run clang, use Nix clang instead
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sed -i -e "s;/usr/bin/xcrun clang;${clang}/bin/clang $NIX_CFLAGS_COMPILE $NIX_LDFLAGS -framework CoreFoundation;g" \
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scripts/bootstrap/compile.sh \
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src/tools/xcode/realpath/BUILD \
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src/tools/xcode/stdredirect/BUILD \
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tools/osx/BUILD
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# clang installed from Xcode has a compatibility wrapper that forwards
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# invocations of gcc to clang, but vanilla clang doesn't
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sed -i -e 's;_find_generic(repository_ctx, "gcc", "CC", overriden_tools);_find_generic(repository_ctx, "clang", "CC", overriden_tools);g' tools/cpp/unix_cc_configure.bzl
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sed -i -e 's;/usr/bin/libtool;${cctools}/bin/libtool;g' tools/cpp/unix_cc_configure.bzl
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wrappers=( tools/cpp/osx_cc_wrapper.sh tools/cpp/osx_cc_wrapper.sh.tpl )
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for wrapper in "''${wrappers[@]}"; do
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sed -i -e "s,/usr/bin/install_name_tool,${cctools}/bin/install_name_tool,g" $wrapper
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done
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'';
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genericPatches = ''
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find src/main/java/com/google/devtools -type f -print0 | while IFS="" read -r -d "" path; do
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substituteInPlace "$path" \
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--replace /bin/bash ${customBash}/bin/bash \
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--replace /usr/bin/env ${coreutils}/bin/env
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done
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# Fixup scripts that generate scripts. Not fixed up by patchShebangs below.
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substituteInPlace scripts/bootstrap/compile.sh \
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--replace /bin/sh ${customBash}/bin/bash
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echo "build --experimental_distdir=${distDir}" >> .bazelrc
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echo "fetch --experimental_distdir=${distDir}" >> .bazelrc
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echo "build --copt=\"$(echo $NIX_CFLAGS_COMPILE | sed -e 's/ /" --copt=\"/g')\"" >> .bazelrc
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echo "build --host_copt=\"$(echo $NIX_CFLAGS_COMPILE | sed -e 's/ /" --host_copt=\"/g')\"" >> .bazelrc
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echo "build --linkopt=\"-Wl,$(echo $NIX_LDFLAGS | sed -e 's/ /" --linkopt=\"-Wl,/g')\"" >> .bazelrc
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echo "build --host_linkopt=\"-Wl,$(echo $NIX_LDFLAGS | sed -e 's/ /" --host_linkopt=\"-Wl,/g')\"" >> .bazelrc
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sed -i -e "362 a --copt=\"$(echo $NIX_CFLAGS_COMPILE | sed -e 's/ /" --copt=\"/g')\" \\\\" scripts/bootstrap/compile.sh
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sed -i -e "362 a --host_copt=\"$(echo $NIX_CFLAGS_COMPILE | sed -e 's/ /" --host_copt=\"/g')\" \\\\" scripts/bootstrap/compile.sh
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sed -i -e "362 a --linkopt=\"-Wl,$(echo $NIX_LDFLAGS | sed -e 's/ /" --linkopt=\"-Wl,/g')\" \\\\" scripts/bootstrap/compile.sh
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sed -i -e "362 a --host_linkopt=\"-Wl,$(echo $NIX_LDFLAGS | sed -e 's/ /" --host_linkopt=\"-Wl,/g')\" \\\\" scripts/bootstrap/compile.sh
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# --experimental_strict_action_env (which will soon become the
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# default, see bazelbuild/bazel#2574) hardcodes the default
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# action environment to a value that on NixOS at least is bogus.
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# So we hardcode it to something useful.
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substituteInPlace \
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src/main/java/com/google/devtools/build/lib/bazel/rules/BazelRuleClassProvider.java \
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--replace /bin:/usr/bin ${defaultShellPath}
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# append the PATH with defaultShellPath in tools/bash/runfiles/runfiles.bash
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echo "PATH=$PATH:${defaultShellPath}" >> runfiles.bash.tmp
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cat tools/bash/runfiles/runfiles.bash >> runfiles.bash.tmp
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mv runfiles.bash.tmp tools/bash/runfiles/runfiles.bash
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patchShebangs .
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'';
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in lib.optionalString stdenv.hostPlatform.isDarwin darwinPatches
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+ genericPatches;
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buildInputs = [
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buildJdk
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];
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nativeBuildInputs = [
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zip
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python
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unzip
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makeWrapper
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which
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customBash
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] ++ lib.optionals (stdenv.isDarwin) [ cctools clang libcxx CoreFoundation CoreServices Foundation ];
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# If TMPDIR is in the unpack dir we run afoul of blaze's infinite symlink
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# detector (see com.google.devtools.build.lib.skyframe.FileFunction).
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# Change this to $(mktemp -d) as soon as we figure out why.
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buildPhase = ''
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export TMPDIR=/tmp/.bazel-$UID
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./compile.sh
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scripts/generate_bash_completion.sh \
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--bazel=./output/bazel \
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--output=output/bazel-complete.bash \
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--prepend=scripts/bazel-complete-template.bash
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'';
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# Build the CPP and Java examples to verify that Bazel works.
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doCheck = true;
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checkPhase = ''
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export TEST_TMPDIR=$(pwd)
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./output/bazel test --test_output=errors \
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examples/cpp:hello-success_test \
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examples/java-native/src/test/java/com/example/myproject:hello
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'';
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installPhase = ''
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mkdir -p $out/bin
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mv output/bazel $out/bin
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wrapProgram "$out/bin/bazel" --set JAVA_HOME "${runJdk}"
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mkdir -p $out/share/bash-completion/completions $out/share/zsh/site-functions
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mv output/bazel-complete.bash $out/share/bash-completion/completions/bazel
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cp scripts/zsh_completion/_bazel $out/share/zsh/site-functions/
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'';
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# Save paths to hardcoded dependencies so Nix can detect them.
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postFixup = ''
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mkdir -p $out/nix-support
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echo "${customBash} ${defaultShellPath}" > $out/nix-support/depends
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'';
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dontStrip = true;
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dontPatchELF = true;
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}
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