1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
{ stdenv, lib, fetchurl, runCommand, makeWrapper
, jdk, zip, unzip, bash, writeCBin, coreutils
, which, python, gnused, gnugrep, findutils
# 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 $i); done
'';
defaultShellPath = lib.makeBinPath [ bash coreutils findutils gnugrep gnused which ];
in
stdenv.mkDerivation rec {
version = "0.15.1";
meta = with stdenv.lib; {
homepage = "https://github.com/bazelbuild/bazel/";
description = "Build tool that builds code quickly and reliably";
license = licenses.asl20;
maintainers = [ maintainers.mboes ];
platforms = platforms.linux ++ platforms.darwin;
};
name = "bazel-${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 = "${defaultShellPath}";
char *newPath;
if (path != NULL) {
int length = strlen(path) + 1 + strlen(pathToAppend) + 1;
newPath = malloc(length * sizeof(char));
snprintf(newPath, length, "%s:%s", path, pathToAppend);
} else {
newPath = pathToAppend;
}
setenv("PATH", newPath, 1);
execve("${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
# --experimental_strict_action_env (which will soon become the
# default, see bazelbuild/bazel#2574) hardcodes the default
# action environment to a value that on NixOS at least is bogus.
# So we hardcode it to something useful.
substituteInPlace \
src/main/java/com/google/devtools/build/lib/bazel/rules/BazelRuleClassProvider.java \
--replace /bin:/usr/bin ${defaultShellPath}
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} ${defaultShellPath}" > $out/nix-support/depends
'';
dontStrip = true;
dontPatchELF = true;
}
|