1 #!/usr/bin/env bash 2 3 # Copyright (C) 2017 The Android Open Source Project 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 # This script is called by git diff with GIT_EXTERNAL_DIFF 18 19 # git calls this script with 7 parameters: 20 # path old-file old-hex old-mode new-file new-hex new-mode 21 # if 8th parameter is specified, the change is written incrementally 22 23 source $(dirname ${BASH_SOURCE})/common.sh 24 25 OLD_FILE=${2} 26 NEW_FILE=${5} 27 INCREMENTAL=${8} 28 echo "diffing ${NEW_FILE}" 29 # Compute the patch file path 30 TARGET_FILE=$PWD/${NEW_FILE} 31 PATCH_FILE=${PATCHES_DIR}/$(relpath ${TARGET_FILE} ${ICU4J_DIR})".patch" 32 33 # Create the dst directory 34 mkdir -p $(dirname ${PATCH_FILE}) 35 36 # Write the diff into the patch file 37 # Replace the tmp file path in the first line with the real source path 38 if [ -z ${INCREMENTAL} ]; then 39 diff -u "${NEW_FILE}" "${OLD_FILE}" | sed "2s#${OLD_FILE}#${NEW_FILE}#" > ${PATCH_FILE} 40 else 41 diff -u "${OLD_FILE}" "${NEW_FILE}" | sed "1s#${OLD_FILE}#${NEW_FILE}#" >> ${PATCH_FILE} 42 fi 43 44
