1 #!/bin/sh 2 # 3 # Copyright 2012 Intel Inc. 4 # 5 # Use of this source code is governed by a BSD-style license that can be 6 # found in the LICENSE file. 7 # 8 # This script builds and runs GM in current workspace with another Skia 9 # revision user specifies, and then compares their results. This script is 10 # useful when developers want to know whether their changes would cause any 11 # regression. 12 # 13 # As the name of this script tells, it only works for git repository. :) 14 # 15 # Usage: 16 # Put this script into where your PATH can find it. 17 # And then invoke: 18 # $ git skia-verify [sha1-to-compare-default-is-HEAD^] 19 # It would delete {before,after,diff} directory under the current directory, 20 # so be warned! 21 # After it's done, check out diff/index.html for the possible differences. 22 23 24 function say() { 25 # set color to yellow 26 tput setaf 3 27 echo $1 28 tput sgr0 29 } 30 31 function warn() { 32 # set color to red 33 tput setaf 1 34 echo $1 35 tput sgr0 36 } 37 38 REVISION="HEAD^" 39 40 if [[ $# -eq 1 ]]; 41 then 42 REVISION="$1" 43 fi 44 45 tput clear 46 47 say "Checking sanity..." 48 git diff --exit-code > /dev/null 49 if [[ $? -ne 0 ]]; 50 then 51 warn "You have uncommitted changes!" 52 exit 1 53 fi 54 git diff --cached --exit-code > /dev/null 55 if [[ $? -ne 0 ]]; 56 then 57 warn "You have uncommitted changes!" 58 exit 1 59 fi 60 61 say "Preparing Directories..." 62 rm -rf {before,after,diff} 63 mkdir {before,after,diff} 64 65 PREVIOUS_BRANCH=`git branch --no-color | grep "^*" | awk '{ print $2}'` 66 67 say "Running GM for current revision..." 68 ./gyp_skia 69 make BUILDTYPE=Release -j10 70 if [[ $? -ne 0 ]]; 71 then 72 warn "Failed to compile!" 73 exit 1 74 fi 75 ./out/Release/gm -w after 76 77 say "Running GM for revision $REVISION..." 78 # we run the test in a detached branch 79 git checkout --detach "$REVISION" 80 ./gyp_skia 81 make BUILDTYPE=Release -j10 82 if [[ $? -ne 0 ]]; 83 then 84 warn "Failed to compile!" 85 say "Back to original revision..." 86 git checkout "$PREVIOUS_BRANCH" 87 exit 1 88 fi 89 ./out/Release/gm -w before 90 91 say "Back to original revision..." 92 git checkout "$PREVIOUS_BRANCH" 93 94 say "Comparing..." 95 ./out/Release/skdiff before after diff 96
