1# Copyright (c) 2021, Google Inc. All rights reserved. 2# 3# Redistribution and use in source and binary forms, with or without 4# modification, are permitted provided that the following conditions are 5# met: 6# 7# * Redistributions of source code must retain the above copyright 8# notice, this list of conditions and the following disclaimer. 9# 10# * Redistributions in binary form must reproduce the above copyright 11# notice, this list of conditions and the following disclaimer in 12# the documentation and/or other materials provided with the 13# distribution. 14# 15# * Neither the name of Google nor the names of its contributors may 16# be used to endorse or promote products derived from this software 17# without specific prior written permission. 18# 19# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 31log_err() { 32 echo "[$(date +'%Y-%m-%dT%H:%M:%S%z')]: $*" >&2 33} 34 35####################################### 36# Create build directory. Build directory will be deleted if it exists. 37# Arguments: 38# None. 39# Returns: 40# mkdir result. 41####################################### 42make_build_dir() { 43 if [[ "$#" -ne 1 ]]; then 44 return 1 45 fi 46 47 local build_dir 48 build_dir="$1" 49 rm -rf "${build_dir}" 50 mkdir -p "${build_dir}" 51} 52 53####################################### 54# Cleanup files from the build directory. 55# Globals: 56# LIBWEBP_ROOT repository's root path. 57# Arguments: 58# $1 build directory. 59####################################### 60cleanup() { 61 # $1 is not completely removed to allow for binary artifacts to be 62 # extracted. 63 find "${1:?"Build directory not defined"}" \ 64 \( -name "*.[ao]" -o -name "*.l[ao]" \) -exec rm -f {} + 65} 66 67####################################### 68# Setup ccache for toolchain. 69# Globals: 70# PATH 71# Arguments: 72# None. 73####################################### 74setup_ccache() { 75 if [[ -x "$(command -v ccache)" ]]; then 76 export CCACHE_CPP2=yes 77 export PATH="/usr/lib/ccache:${PATH}" 78 fi 79} 80 81####################################### 82# Detects whether test block should be run in the current test shard. 83# Globals: 84# TEST_TOTAL_SHARDS: Valid range: [1, N]. Defaults to 1. 85# TEST_SHARD_INDEX: Valid range: [0, TEST_TOTAL_SHARDS). Defaults to 0. 86# libwebp_test_id: current test number; incremented with each call. 87# Arguments: 88# None 89# Returns: 90# true if the shard is active 91# false if the shard is inactive 92####################################### 93shard_should_run() { 94 TEST_TOTAL_SHARDS=${TEST_TOTAL_SHARDS:=1} 95 TEST_SHARD_INDEX=${TEST_SHARD_INDEX:=0} 96 libwebp_test_id=${libwebp_test_id:=-1} 97 : $((libwebp_test_id += 1)) 98 99 if [[ "${TEST_SHARD_INDEX}" -lt 0 || 100 "${TEST_SHARD_INDEX}" -ge "${TEST_TOTAL_SHARDS}" ]]; then 101 log_err "Invalid TEST_SHARD_INDEX (${TEST_SHARD_INDEX})!" \ 102 "Expected [0, ${TEST_TOTAL_SHARDS})." 103 fi 104 105 [[ "$((libwebp_test_id % TEST_TOTAL_SHARDS))" -eq "${TEST_SHARD_INDEX}" ]] 106} 107