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Merge pull request #63580 from timokau/bazel-symlink-fix

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buildBazelPackage: fix directory symlink handling, disable multithreaded fetching
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Wael Nasreddine 2019-06-22 17:47:15 -07:00 committed by GitHub
commit e0c8a45d5d
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1 changed files with 7 additions and 3 deletions
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10
pkgs/build-support/build-bazel-package/default.nix
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@ -34,8 +34,10 @@ in stdenv.mkDerivation (fBuildAttrs // {
# https://github.com/bazelbuild/bazel/blob/9323c57607d37f9c949b60e293b573584906da46/src/main/cpp/startup_options.cc#L123-L124
#
# On macOS Bazel will use the system installed Xcode or CLT toolchain instead of the one in the PATH unless we pass BAZEL_USE_CPP_ONLY_TOOLCHAIN
#
BAZEL_USE_CPP_ONLY_TOOLCHAIN=1 USER=homeless-shelter bazel --output_base="$bazelOut" --output_user_root="$bazelUserRoot" fetch $bazelFlags $bazelTarget
# We disable multithreading for the fetching phase since it can lead to timeouts with many dependencies/threads:
# https://github.com/bazelbuild/bazel/issues/6502
BAZEL_USE_CPP_ONLY_TOOLCHAIN=1 USER=homeless-shelter bazel --output_base="$bazelOut" --output_user_root="$bazelUserRoot" fetch --loading_phase_threads=1 $bazelFlags $bazelTarget
runHook postBuild
'';
@ -59,7 +61,9 @@ in stdenv.mkDerivation (fBuildAttrs // {
# Patching symlinks to remove build directory reference
find $bazelOut/external -type l | while read symlink; do
ln -sf $(readlink "$symlink" | sed "s,$NIX_BUILD_TOP,NIX_BUILD_TOP,") "$symlink"
new_target="$(readlink "$symlink" | sed "s,$NIX_BUILD_TOP,NIX_BUILD_TOP,")"
rm "$symlink"
ln -sf "$new_target" "$symlink"
done
cp -r $bazelOut/external $out