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{ stdenv, lib, fetchurl, jdk, zip, unzip, bash, writeScriptBin, coreutils, makeWrapper, which, python
# Always assume all markers valid (don't redownload dependencies).
# Also, don't clean up environment variables.
, enableNixHacks ? false
}:
stdenv.mkDerivation rec {
version = "0.12.0";
meta = with stdenv.lib; {
homepage = "https://github.com/bazelbuild/bazel/";
description = "Build tool that builds code quickly and reliably";
license = licenses.asl20;
maintainers = [ maintainers.philandstuff ];
platforms = platforms.linux;
};
name = "bazel-${version}";
src = fetchurl {
url = "https://github.com/bazelbuild/bazel/releases/download/${version}/bazel-${version}-dist.zip";
sha256 = "3b3e7dc76d145046fdc78db7cac9a82bc8939d3b291e53a7ce85315feb827754";
};
sourceRoot = ".";
patches = lib.optional enableNixHacks ./nix-hacks.patch;
# Bazel expects several utils to be available in Bash even without PATH. Hence this hack.
customBash = writeScriptBin "bash" ''
#!${stdenv.shell}
PATH="$PATH:${lib.makeBinPath [ coreutils ]}" exec ${bash}/bin/bash "$@"
'';
postPatch = ''
find src/main/java/com/google/devtools -type f -print0 | while IFS="" read -r -d "" path; do
substituteInPlace "$path" \
--replace /bin/bash ${customBash}/bin/bash \
--replace /usr/bin/env ${coreutils}/bin/env
done
patchShebangs .
'';
buildInputs = [
jdk
];
nativeBuildInputs = [
zip
python
unzip
makeWrapper
which
customBash
];
# If TMPDIR is in the unpack dir we run afoul of blaze's infinite symlink
# detector (see com.google.devtools.build.lib.skyframe.FileFunction).
# Change this to $(mktemp -d) as soon as we figure out why.
buildPhase = ''
export TMPDIR=/tmp
./compile.sh
./output/bazel --output_user_root=/tmp/.bazel build //scripts:bash_completion \
--spawn_strategy=standalone \
--genrule_strategy=standalone
cp bazel-bin/scripts/bazel-complete.bash output/
'';
# Build the CPP and Java examples to verify that Bazel works.
doCheck = true;
checkPhase = ''
export TEST_TMPDIR=$(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 : "${lib.makeBinPath [ stdenv.cc jdk ]}"
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/
'';
# Save paths to hardcoded dependencies so Nix can detect them.
postFixup = ''
mkdir -p $out/nix-support
echo "${customBash} ${coreutils}" > $out/nix-support/depends
'';
dontStrip = true;
dontPatchELF = true;
}
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