#!/bin/bash -e
# Bazel build target for running kythe extractor as an extra_action
# to create kythe index files as a side effect of running the build.
EAL=//prebuilts/tools/linux-x86_64/kythe/extractors:extract_kindex
# Path to the kyth binaries.
KYTHE_ROOT="$(readlink -f prebuilts/tools/linux-x86_64/kythe)"
# Get the output path for the kythe artifacts.
OUT="$1"
if [ -z "${OUT}" ]; then
echo Usage: $0 \<out_dir\> [gcs_bucket]
echo e.g. $0 $HOME/studio_kythe
echo
echo $0 must be launched from the root of the studio branch.
exit 1
fi
if [ -z "${JDK_18_x64}" ]; then
echo $0 requires the JDK_18_x64 env variable to be defined.
exit 1
fi
OUT_ENTRIES="${OUT}/entries"
mkdir -p "${OUT_ENTRIES}"
TARGETS="$(cat tools/base/bazel/targets)"
# ensure no stale .kindex file exist
tools/base/bazel/bazel clean
# Build all targets and run the kythe extractor via extra_actions.
# ignore failures in the build as Kythe will do statistical analysis
# on build and produce indexes for builds with 95% coverage and up.
tools/base/bazel/bazel build --keep_going \
--experimental_action_listener=${EAL} -- ${TARGETS} || true
# Find all generated kythe index files.
KINDEXES=$(find bazel-out/local-fastbuild/extra_actions/ \
-name *.kindex -exec realpath {} \;)
# For each kythe index file run the java index to generate kythe
# entries.
# Ignore failures from analysis (|| true) as Kythe will do statistical analysis
# on the entries and produce indexes for builds with 95% coverage and up.
cd "${OUT_ENTRIES}"
for KINDEX in ${KINDEXES}; do
ENTRIES="$(basename "${KINDEX}").entries"
if [ ! -f "${ENTRIES}" ]; then
"${JDK_18_x64}/bin/java" -jar \
"${KYTHE_ROOT}/indexers/java_indexer.jar" \
"${KINDEX}" > "${ENTRIES}" || true
fi
done;
GSBUCKET="$2"
# allow buildbot to specify gsutil script to use.
GSUTIL="${GSUTIL:-gsutil}"
if [ -n "${GSBUCKET}" ]; then
TIMESTAMP=$(date +'%s')
"${GSUTIL}" -m cp "${OUT_ENTRIES}/*" "${GSBUCKET}/${TIMESTAMP}/"
LATEST_FILE="$(mktemp)"
echo "str_var <name:'kythe_index_version' value:'${TIMESTAMP}'>">"${LATEST_FILE}"
"${GSUTIL}" cp "${LATEST_FILE}" "${GSBUCKET}/latest.txt"
rm "${LATEST_FILE}"
fi