common.sh (3617B)
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 31 log_err() { 32 echo "[$(date +'%Y-%m-%dT%H:%M:%S%z')]: $*" >&2 33 } 34 35 ####################################### 36 # Create build directory. Build directory will be deleted if it exists. 37 # Arguments: 38 # None. 39 # Returns: 40 # mkdir result. 41 ####################################### 42 make_build_dir() { 43 if [[ "$#" -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 ####################################### 60 cleanup() { 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 ####################################### 74 setup_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 ####################################### 93 shard_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 }