| #!/bin/bash |
| # Copyright 2013 The Flutter Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| ############################################################################### |
| # A tool that helps you check the Pigeon output for a given file across |
| # different versions of Pigeon. |
| # |
| # The comparison will be made between the currently checked out sha and the one |
| # provided as an argument. |
| # |
| # usage: ./diff_tool.sh <sha for commit to test against> <path to pigeon file> |
| ############################################################################### |
| |
| xHash=$1 |
| pigeonPath=$2 |
| diffTool="diff -ru" |
| gitTool="git -c advice.detachedHead=false" |
| |
| generate_everything() { |
| local inputPath=$1 |
| local outputDir=$2 |
| pub run pigeon \ |
| --input "$inputPath" \ |
| --dart_out "$outputDir/dart.dart" \ |
| --java_out "$outputDir/java.dart" \ |
| --objc_header_out "$outputDir/objc.h" \ |
| --objc_source_out "$outputDir/objc.m" |
| } |
| |
| yHash=$(git rev-parse HEAD) |
| xDir=$(mktemp -d -t $xHash) |
| yDir=$(mktemp -d -t $yHash) |
| inputPath=$yDir/input.dart |
| cp "$pigeonPath" "$inputPath" |
| $gitTool checkout $xHash 1> /dev/null |
| generate_everything $inputPath $xDir |
| $gitTool checkout $yHash 1> /dev/null |
| generate_everything $inputPath $yDir |
| $diffTool "$yDir" "$xDir" |
| rm -rf "$yDir" |
| rm -rf "$xDir" |
