c27d795b63
We put reproducible timestamps in zip files so that the artifacts are consistent, but that leads to old timestamps in the output directory if they are unzipped as part of the build. Use unzip -DD when unzipping to update the timestamps. Bug: 161015009 Test: touch -d 2020-01-01 ref; find $OUT/system -not -newer ref Change-Id: I6f08ba8695d90a8225cfc04e679755e6296deed0
118 lines
5.8 KiB
Makefile
118 lines
5.8 KiB
Makefile
#
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# Copyright (C) 2017 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# This file sets up Java code coverage via Jacoco
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# This file is only intended to be included internally by the build system
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# (at the time of authorship, it is included by java.mk and
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# java_host_library.mk)
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# determine Jacoco include/exclude filters even when coverage is not enabled
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# to get syntax checking on LOCAL_JACK_COVERAGE_(INCLUDE|EXCLUDE)_FILTER
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# copy filters from Jack but also skip some known java packages
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my_include_filter := $(strip $(LOCAL_JACK_COVERAGE_INCLUDE_FILTER))
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my_exclude_filter := $(strip $(DEFAULT_JACOCO_EXCLUDE_FILTER),$(LOCAL_JACK_COVERAGE_EXCLUDE_FILTER))
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my_include_args := $(call jacoco-class-filter-to-file-args, $(my_include_filter))
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my_exclude_args := $(call jacoco-class-filter-to-file-args, $(my_exclude_filter))
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# single-quote each arg of the include args so the '*' gets evaluated by zip
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# don't quote the exclude args they need to be evaluated by bash for rm -rf
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my_include_args := $(foreach arg,$(my_include_args),'$(arg)')
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ifeq ($(LOCAL_EMMA_INSTRUMENT),true)
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my_files := $(intermediates.COMMON)/jacoco
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# make a task that unzips the classes that we want to instrument from the
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# input jar
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my_unzipped_path := $(my_files)/work/classes-to-instrument/classes
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my_unzipped_timestamp_path := $(my_files)/work/classes-to-instrument/updated.stamp
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$(my_unzipped_timestamp_path): PRIVATE_UNZIPPED_PATH := $(my_unzipped_path)
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$(my_unzipped_timestamp_path): PRIVATE_UNZIPPED_TIMESTAMP_PATH := $(my_unzipped_timestamp_path)
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$(my_unzipped_timestamp_path): PRIVATE_INCLUDE_ARGS := $(my_include_args)
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$(my_unzipped_timestamp_path): PRIVATE_EXCLUDE_ARGS := $(my_exclude_args)
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$(my_unzipped_timestamp_path): PRIVATE_FULL_CLASSES_PRE_JACOCO_JAR := $(LOCAL_FULL_CLASSES_PRE_JACOCO_JAR)
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$(my_unzipped_timestamp_path): $(LOCAL_FULL_CLASSES_PRE_JACOCO_JAR)
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rm -rf $(PRIVATE_UNZIPPED_PATH) $@
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mkdir -p $(PRIVATE_UNZIPPED_PATH)
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unzip -qDD $(PRIVATE_FULL_CLASSES_PRE_JACOCO_JAR) \
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-d $(PRIVATE_UNZIPPED_PATH) \
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$(PRIVATE_INCLUDE_ARGS)
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(cd $(PRIVATE_UNZIPPED_PATH) && rm -rf $(PRIVATE_EXCLUDE_ARGS))
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(cd $(PRIVATE_UNZIPPED_PATH) && find -not -name "*.class" -type f -exec rm {} \;)
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touch $(PRIVATE_UNZIPPED_TIMESTAMP_PATH)
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# Unfortunately in the previous task above,
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# 'rm -rf $(PRIVATE_EXCLUDE_ARGS)' needs to be a separate
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# shell command after 'unzip'.
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# We can't just use the '-x' (exclude) option of 'unzip' because if both
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# inclusions and exclusions are specified and an exclusion matches no
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# inclusions, then 'unzip' exits with an error (error 11).
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# We could ignore the error, but that would make the process less reliable
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# make a task that zips only the classes that will be instrumented
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# (for passing in to the report generator later)
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my_classes_to_report_on_path := $(my_files)/report-resources/jacoco-report-classes.jar
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$(my_classes_to_report_on_path): PRIVATE_UNZIPPED_PATH := $(my_unzipped_path)
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$(my_classes_to_report_on_path): $(my_unzipped_timestamp_path)
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rm -f $@
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zip -q $@ \
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-r $(PRIVATE_UNZIPPED_PATH)
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# make a task that invokes instrumentation
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my_instrumented_path := $(my_files)/work/instrumented/classes
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my_instrumented_timestamp_path := $(my_files)/work/instrumented/updated.stamp
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$(my_instrumented_timestamp_path): PRIVATE_INSTRUMENTED_PATH := $(my_instrumented_path)
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$(my_instrumented_timestamp_path): PRIVATE_INSTRUMENTED_TIMESTAMP_PATH := $(my_instrumented_timestamp_path)
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$(my_instrumented_timestamp_path): PRIVATE_UNZIPPED_PATH := $(my_unzipped_path)
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$(my_instrumented_timestamp_path): $(my_unzipped_timestamp_path) $(JACOCO_CLI_JAR)
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rm -rf $(PRIVATE_INSTRUMENTED_PATH)
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mkdir -p $(PRIVATE_INSTRUMENTED_PATH)
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java -jar $(JACOCO_CLI_JAR) \
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instrument \
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--quiet \
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--dest '$(PRIVATE_INSTRUMENTED_PATH)' \
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$(PRIVATE_UNZIPPED_PATH)
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touch $(PRIVATE_INSTRUMENTED_TIMESTAMP_PATH)
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# make a task that zips both the instrumented classes and the uninstrumented
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# classes (this jar is the instrumented application to execute)
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my_temp_jar_path := $(my_files)/work/usable.jar
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LOCAL_FULL_CLASSES_JACOCO_JAR := $(intermediates.COMMON)/classes-jacoco.jar
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$(LOCAL_FULL_CLASSES_JACOCO_JAR): PRIVATE_TEMP_JAR_PATH := $(my_temp_jar_path)
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$(LOCAL_FULL_CLASSES_JACOCO_JAR): PRIVATE_INSTRUMENTED_PATH := $(my_instrumented_path)
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$(LOCAL_FULL_CLASSES_JACOCO_JAR): PRIVATE_FULL_CLASSES_PRE_JACOCO_JAR := $(LOCAL_FULL_CLASSES_PRE_JACOCO_JAR)
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$(LOCAL_FULL_CLASSES_JACOCO_JAR): $(JAR_ARGS)
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$(LOCAL_FULL_CLASSES_JACOCO_JAR): $(my_instrumented_timestamp_path) $(LOCAL_FULL_CLASSES_PRE_JACOCO_JAR)
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rm -f $@ $(PRIVATE_TEMP_JAR_PATH)
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# copy the pre-jacoco jar (containing files excluded from instrumentation)
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cp $(PRIVATE_FULL_CLASSES_PRE_JACOCO_JAR) $(PRIVATE_TEMP_JAR_PATH)
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# copy instrumented files back into the resultant jar
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$(JAR) -uf $(PRIVATE_TEMP_JAR_PATH) $(call jar-args-sorted-files-in-directory,$(PRIVATE_INSTRUMENTED_PATH))
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mv $(PRIVATE_TEMP_JAR_PATH) $@
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# this is used to trigger $(my_classes_to_report_on_path) to build
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# when $(LOCAL_FULL_CLASSES_JACOCO_JAR) builds, but it isn't truly a
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# dependency.
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$(LOCAL_FULL_CLASSES_JACOCO_JAR): $(my_classes_to_report_on_path)
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else # LOCAL_EMMA_INSTRUMENT != true
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LOCAL_FULL_CLASSES_JACOCO_JAR := $(LOCAL_FULL_CLASSES_PRE_JACOCO_JAR)
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endif # LOCAL_EMMA_INSTRUMENT == true
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LOCAL_INTERMEDIATE_TARGETS += $(LOCAL_FULL_CLASSES_JACOCO_JAR)
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