1 #!/bin/sh 2 # 3 # Copyright 2016 Google Inc. All rights reserved 4 # 5 # Licensed under the Apache License, Version 2.0 (the "License"); 6 # you may not use this file except in compliance with the License. 7 # You may obtain a copy of the License at 8 # 9 # http:#www.apache.org/licenses/LICENSE-2.0 10 # 11 # Unless required by applicable law or agreed to in writing, software 12 # distributed under the License is distributed on an "AS IS" BASIS, 13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 # See the License for the specific language governing permissions and 15 # limitations under the License. 16 17 set -e 18 19 log=/tmp/log 20 mk="$@" 21 22 sleep_if_necessary() { 23 if [ x$(uname) != x"Linux" -o x"${TRAVIS}" != x"" ]; then 24 sleep "$@" 25 fi 26 } 27 28 cat <<EOF > Makefile 29 A := \$(file <file_a) 30 all: 31 echo foo 32 EOF 33 34 ${mk} 2> ${log} 35 if [ -e ninja.sh ]; then 36 ./ninja.sh 37 fi 38 39 ${mk} 2> ${log} 40 if [ -e ninja.sh ]; then 41 if grep regenerating ${log}; then 42 echo 'Should not be regenerated' 43 fi 44 ./ninja.sh 45 fi 46 47 echo regen >file_a 48 49 ${mk} 2> ${log} 50 if [ -e ninja.sh ]; then 51 if ! grep regenerating ${log} >/dev/null; then 52 echo 'Should be regenerated' 53 fi 54 ./ninja.sh 55 fi 56 57 ${mk} 2> ${log} 58 if [ -e ninja.sh ]; then 59 if grep regenerating ${log}; then 60 echo 'Should not be regenerated' 61 fi 62 ./ninja.sh 63 fi 64 65 sleep_if_necessary 1 66 echo regen >>file_a 67 68 ${mk} 2> ${log} 69 if [ -e ninja.sh ]; then 70 if ! grep regenerating ${log} >/dev/null; then 71 echo 'Should be regenerated' 72 fi 73 ./ninja.sh 74 fi 75