2019-08-14 11:19:17 +00:00
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#!/bin/bash
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2019-08-21 12:45:24 +00:00
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# Copyright (c) 2018-2019 Status Research & Development GmbH. Licensed under
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# either of:
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# - Apache License, version 2.0
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# - MIT license
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# at your option. This file may not be copied, modified, or distributed except
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# according to those terms.
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2019-08-14 11:19:17 +00:00
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set -e
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ARCHIVE_NAME="json_tests.tar.xz"
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TMP_CACHE_DIR="tmpcache"
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SUBREPO_DIR="tests/official/fixtures"
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LFS_DIR="json_tests"
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CACHE_DIR="$1" # optional parameter pointing to a CI cache dir. Without it, we just download the LFS files for a local `make test`.
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[[ -d "${SUBREPO_DIR}" ]] || { echo "This script should be run from the \"nim-beacon-chain\" repo top dir."; exit 1; }
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# macOS quirks
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if uname | grep -qi "darwin"; then
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ON_MACOS=1
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STAT_FORMAT="-f %m"
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else
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ON_MACOS=0
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STAT_FORMAT="-c %Y"
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fi
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# to and from stdout
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DECOMPRESS_XZ="false"
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COMPRESS_XZ="false"
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which 7z &>/dev/null && { DECOMPRESS_XZ="7z e -txz -bd -so"; COMPRESS_XZ="7z a -txz -an -bd -si -so"; }
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which xz &>/dev/null && { DECOMPRESS_XZ="xz -d -c -T 0"; COMPRESS_XZ="xz -c -T 0"; }
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download_lfs_files() {
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echo "Downloading LFS files."
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pushd "${SUBREPO_DIR}"
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git lfs install # redundant after running it once per repo, but fast enough not to worry about detecting whether it ran before
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git lfs pull -I "${LFS_DIR}" # we just care about test fixtures converted from YAML to JSON
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popd
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}
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UPDATE_CACHE=0
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if [[ -n "${CACHE_DIR}" ]]; then
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if [[ -e "${CACHE_DIR}/${ARCHIVE_NAME}" ]]; then
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# compare the archive's mtime to the date of the last commit
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if [[ $(stat ${STAT_FORMAT} "${CACHE_DIR}/${ARCHIVE_NAME}") -gt $(cd "${SUBREPO_DIR}"; git log --pretty=format:%cd -n 1 --date=unix "${LFS_DIR}") ]]; then
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# the cache is valid
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echo "Copying cached files into ${SUBREPO_DIR}/${LFS_DIR}/"
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mkdir -p "${TMP_CACHE_DIR}"
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${DECOMPRESS_XZ} "${CACHE_DIR}/${ARCHIVE_NAME}" | tar -x -C "${TMP_CACHE_DIR}" -f -
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cp -a "${TMP_CACHE_DIR}/${LFS_DIR}"/* "${SUBREPO_DIR}/${LFS_DIR}/"
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rm -rf "${TMP_CACHE_DIR}"
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else
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# old cache
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echo "Invalidating cache."
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UPDATE_CACHE=1
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fi
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else
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# creating the archive for the first time
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mkdir -p "${CACHE_DIR}"
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UPDATE_CACHE=1
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fi
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if [[ "${UPDATE_CACHE}" == "1" ]]; then
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if [[ "${ON_MACOS}" == "1" ]]; then
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brew install git-lfs # this takes almost 5 minutes on Travis, so only run it if needed
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fi
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download_lfs_files
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echo "Updating the cache."
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pushd "${SUBREPO_DIR}"
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# the archive will contain ${LFS_DIR} as its top dir
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git archive --format=tar HEAD "${LFS_DIR}" | ${COMPRESS_XZ} > "${ARCHIVE_NAME}"
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popd
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mv "${SUBREPO_DIR}/${ARCHIVE_NAME}" "${CACHE_DIR}/"
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fi
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else
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# no caching
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download_lfs_files
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fi
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