daml/.bazelrc

# Bazel distributed cache, can be temporarily disabled by passing the following
# flag: --noremote_accept_cached
build:darwin --remote_cache=https://bazel-cache.da-ext.net/202309/macos
build:linux --remote_cache=https://bazel-cache.da-ext.net/202309/ubuntu
# Don't push local build results to the remote cache.
build --remote_upload_local_results=false
# Do still push local build results to the local disk cache.
build --incompatible_remote_results_ignore_disk=true
# Enable the disk cache in addition to the http cache.
build:linux --disk_cache=.bazel-cache/disk
build:darwin --disk_cache=.bazel-cache/disk
# `--repository_cache` must be repeated for all relevant actions.
# TODO: use `common` starting from Bazel 2.2.0
# See https://github.com/bazelbuild/bazel/issues/11232
build:linux --repository_cache=.bazel-cache/repo
fetch:linux --repository_cache=.bazel-cache/repo
sync:linux --repository_cache=.bazel-cache/repo
build:darwin --repository_cache=.bazel-cache/repo
fetch:darwin --repository_cache=.bazel-cache/repo
sync:darwin --repository_cache=.bazel-cache/repo

test:oracle --repo_env DAML_ORACLE_TESTING=true --test_env ORACLE_USERNAME --test_env ORACLE_PORT --test_env ORACLE_PWD

# 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 3 GB and force TLS 1.2.
# With TLS 1.3, we run into the following error on Darwin.
# > No subject alternative DNS name matching github-releases.githubusercontent.com found.
# It looks like this is a result of SNI being broken on TLS 1.3 which results
# in us getting a certificate for githubassets.com instead.
startup --host_jvm_args=-Xms3g --host_jvm_args=-Xmx3g --host_jvm_args=-Djdk.tls.client.protocols=TLSv1.2

# Limit the number of parallel actions spawned by Bazel to the number of
# physical CPUs. (Assuming a CPU with hyperthreading enabled)
build --loading_phase_threads="HOST_CPUS*.5"
fetch --loading_phase_threads="HOST_CPUS*.5"
query --loading_phase_threads="HOST_CPUS*.5"
sync --loading_phase_threads="HOST_CPUS*.5"
build --local_cpu_resources="HOST_CPUS*.5"

# Enable sandboxing and caching for exclusive tests
build --incompatible_exclusive_test_sandboxed

# 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

build --java_language_version=11
build --java_runtime_version=nixpkgs_java_11
build --tool_java_runtime_version=nixpkgs_java_11
build --tool_java_language_version=11

# 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=@io_tweag_rules_nixpkgs//nixpkgs/platforms:host
build:darwin --host_platform=@io_tweag_rules_nixpkgs//nixpkgs/platforms:host
# and GHC's gcc on Windows
build:windows --crosstool_top=@rules_haskell_ghc_windows_amd64//:cc_toolchain

# 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
build --build_tag_filters=-canton-ee
test --test_tag_filters=-canton-ee