.bazelrc

# Bazel distributed cache, can be temporarily disabled by passing the following
# flag: --noremote_accept_cached
build:darwin --remote_http_cache=https://bazel-cache.da-ext.net
build:linux --remote_http_cache=https://bazel-cache.da-ext.net
build:windows-ci --remote_http_cache=https://bazel-cache.da-ext.net
build --remote_upload_local_results=false
# Enable the disk cache in addition to the http cache.
build:linux --disk_cache=.bazel-cache/disk
build:darwin --disk_cache=.bazel-cache/disk
fetch:linux --repository_cache=.bazel-cache/repo
fetch:darwin --repository_cache=.bazel-cache/repo

# Improve remote cache hit rate by exluding environment variables from the
# sandbox that are not whitelisted using --action_env.
# This will become the default in a future Bazel release.
build --experimental_strict_action_env

# Drop the heap size of Bazel to 1 GB.
startup --host_jvm_args=-Xms1g --host_jvm_args=-Xmx1g

# Required for node_modules trees generated by yarn_install.
common --experimental_allow_incremental_repository_updates

# Print test output of failed test.
# Set --test_output=streamed to get the output of all tests in real time.
# Note, this will force tests to run locally and sequentially.
test --test_output=errors

# print verbose failures
build --verbose_failures

# Enable persistent Scala workers to improve compilation times.
# Refer to https://github.com/bazelbuild/rules_scala#readme for details.
build --strategy=Scalac=worker
test --strategy=Scalac=worker

# Activate MacOS fix for "ld: illegal thread local variable reference
#  to regular symbol". See
#  https://github.com/grpc/grpc/pull/13929/files
build --copt -DGRPC_BAZEL_BUILD

# Bazel defaults to JDK9. This makes sure we run Nix provided JDK, and
# avoid dreaded "Unrecognized VM option 'CompactStrings'" error
build --host_javabase=@java_home//:javabase
build --java_toolchain=@bazel_tools//tools/jdk:toolchain_hostjdk8
build --host_java_toolchain=@bazel_tools//tools/jdk:toolchain_hostjdk8

# Do not use a distinct configuration for "host", that is, binaries used
# at build time should be the same as release binaries.
# Without this, we will end up building everything twice as we need "damlc"
# at build time to bootstrap itself (for compiling ghc-prim).
build --distinct_host_configuration=false

# Propagate locales and the java home to the test environment.
build --test_env=LANG=en_US.utf8 --test_env=LOCALE_ARCHIVE --test_env=JAVA_HOME

# Disable c-ares support in grpc. We don't need a faster DNS library
# since we're only connecting to localhost.
build --define=grpc_no_ares=true

# Pass through cacert information for git.
build --action_env=GIT_SSL_CAINFO
# Pass through locale archive to ensure that we can get a UTF-8 locale.
build:linux --action_env=LOCALE_ARCHIVE
build:windows --action_env=JAVA_HOME

# Tell bazel to use the nixpkgs Haskell toolchain on Linux and Darwin
build:linux --host_platform=@rules_haskell//haskell/platforms:linux_x86_64_nixpkgs
build:darwin --host_platform=@rules_haskell//haskell/platforms:darwin_x86_64_nixpkgs
# and GHC's gcc on Windows
build:windows --crosstool_top=@rules_haskell_ghc_windows_amd64//:cc_toolchain

# Bazel 1.0 disabled the bash test-runner on Windows. However, some of our
# test-cases are implemented as bash scripts and rely on the bash test-runner.
build:windows --noincompatible_windows_native_test_wrapper

# Caching is currently disabled on Windows.
# See: https://github.com/tweag/rules_haskell/issues/744 for details.
build:windows --noremote_accept_cached

# We use a special windows configuration on CI: cache is enabled. The caching
# is not totally reliable on Windows yet re. absolute paths, but it is not a
# problem on CI if all builds share a similar directory structure.
build:windows-ci --remote_accept_cached=true

# The Windows CI machines have 4 physical and 8 logical cores. By default Bazel
# will parallelize up to the number of logical cores. This can cause flakyness
# in timing sensitive tests.
build:windows-ci --jobs=4

# Instruct bazel to globally use this flag for compiling protobuf files.
# We need the source info for generating proto docs. By default proto_library strips
# source information and doesn't provide an option to turn this flag on.
# Ideally we would only set this option for the proto_library target we care about.
# See https://github.com/bazelbuild/rules_go/issues/1519#issuecomment-451622947
build:linux --protocopt=--include_source_info
build:darwin --protocopt=--include_source_info
#FIXME: it generates stderr, which is causing error in bazel on windows:
# https://github.com/protocolbuffers/protobuf/blob/master/src/google/protobuf/compiler/command_line_interface.cc#L1363
#build:windows --protocopt=--include_source_info

# Some tools used in tests, like postgres CLI, require cmd.exe which can be located by them
# using ComSpec environment variable. By default it's not passed from Bazel client environment.
test:windows --test_env=ComSpec

# We default to -c opt. We compile Haskell with -O1 anyway since otherwise
# it is unusably slow and the C deps change rarely so there is little reason
# to not compile them with optimizations.
build -c opt

try-import %workspace%/.bazelrc.local

# Get some info from git available to rules with stamp=1
build --workspace_status_command "bash workspace_status.sh"