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{ stdenv, lib, fetchurl, runCommand, jdk, zip, unzip, bash, writeCBin, coreutils, makeWrapper, which, python, gnused
# Always assume all markers valid (don't redownload dependencies).
# Also, don't clean up environment variables.
, enableNixHacks ? false
# Apple dependencies
, libcxx, CoreFoundation, CoreServices, Foundation
}:
let srcDeps = stdenv.lib.singleton (
fetchurl {
url = "https://github.com/google/desugar_jdk_libs/archive/f5e6d80c6b4ec6b0a46603f72b015d45cf3c11cd.zip";
sha256 = "c80f3f3d442d8a6ca7adc83f90ecd638c3864087fdd6787ffac070b6f1cc8f9b";
}
);
distDir = runCommand "bazel-deps" {} ''
mkdir -p $out
for i in ${builtins.toString srcDeps}; do cp $i $out/$(stripHash $i); done
'';
in
stdenv.mkDerivation rec {
version = "0.15.1";
meta = with stdenv.lib; {
homepage = "https://github.com/bazelbuild/bazel/";
description = "Build tool that builds code quickly and reliably";
license = licenses.asl20;
maintainers = [ maintainers.mboes ];
platforms = platforms.linux ++ platforms.darwin;
};
name = "bazel-${version}";
src = fetchurl {
url = "https://github.com/bazelbuild/bazel/releases/download/${version}/bazel-${version}-dist.zip";
sha256 = "0v7wdwbxy4bcx488lm1glf4iv3wfdwbkg8fh6kmmmfn1lhgkaay6";
};
sourceRoot = ".";
patches = lib.optional enableNixHacks ./nix-hacks.patch;
# Bazel expects several utils to be available in Bash even without PATH. Hence this hack.
customBash = writeCBin "bash" ''
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
extern char **environ;
int main(int argc, char *argv[]) {
char *path = getenv("PATH");
char *pathToAppend = "${lib.makeBinPath [ coreutils gnused ]}";
char *newPath;
if (path != NULL) {
int length = strlen(path) + 1 + strlen(pathToAppend) + 1;
newPath = malloc(length * sizeof(char));
snprintf(newPath, length, "%s:%s", path, pathToAppend);
} else {
newPath = pathToAppend;
}
setenv("PATH", newPath, 1);
execve("${bash}/bin/bash", argv, environ);
return 0;
}
'';
postPatch = stdenv.lib.optionalString stdenv.hostPlatform.isDarwin ''
export NIX_LDFLAGS="$NIX_LDFLAGS -F${CoreFoundation}/Library/Frameworks -F${CoreServices}/Library/Frameworks -F${Foundation}/Library/Frameworks"
'' + ''
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
# Fixup scripts that generate scripts. Not fixed up by patchShebangs below.
substituteInPlace scripts/bootstrap/compile.sh \
--replace /bin/sh ${customBash}/bin/bash
echo "build --experimental_distdir=${distDir}" >> .bazelrc
echo "fetch --experimental_distdir=${distDir}" >> .bazelrc
echo "build --copt=\"$(echo $NIX_CFLAGS_COMPILE | sed -e 's/ /" --copt=\"/g')\"" >> .bazelrc
echo "build --host_copt=\"$(echo $NIX_CFLAGS_COMPILE | sed -e 's/ /" --host_copt=\"/g')\"" >> .bazelrc
echo "build --linkopt=\"-Wl,$(echo $NIX_LDFLAGS | sed -e 's/ /" --linkopt=\"-Wl,/g')\"" >> .bazelrc
echo "build --host_linkopt=\"-Wl,$(echo $NIX_LDFLAGS | sed -e 's/ /" --host_linkopt=\"-Wl,/g')\"" >> .bazelrc
sed -i -e "361 a --copt=\"$(echo $NIX_CFLAGS_COMPILE | sed -e 's/ /" --copt=\"/g')\" \\\\" scripts/bootstrap/compile.sh
sed -i -e "361 a --host_copt=\"$(echo $NIX_CFLAGS_COMPILE | sed -e 's/ /" --host_copt=\"/g')\" \\\\" scripts/bootstrap/compile.sh
sed -i -e "361 a --linkopt=\"-Wl,$(echo $NIX_LDFLAGS | sed -e 's/ /" --linkopt=\"-Wl,/g')\" \\\\" scripts/bootstrap/compile.sh
sed -i -e "361 a --host_linkopt=\"-Wl,$(echo $NIX_LDFLAGS | sed -e 's/ /" --host_linkopt=\"-Wl,/g')\" \\\\" scripts/bootstrap/compile.sh
patchShebangs .
'';
buildInputs = [
jdk
];
nativeBuildInputs = [
zip
python
unzip
makeWrapper
which
customBash
] ++ lib.optionals (stdenv.isDarwin) [ libcxx CoreFoundation CoreServices Foundation ];
# 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 $(mktemp -d) as soon as we figure out why.
buildPhase = ''
export TMPDIR=/tmp/.bazel-$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
'';
installPhase = ''
mkdir -p $out/bin
mv output/bazel $out/bin
wrapProgram "$out/bin/bazel" --set JAVA_HOME "${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} ${gnused} ${coreutils}" > $out/nix-support/depends
'';
dontStrip = true;
dontPatchELF = true;
}
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