ninja_diff.sh

#!/bin/bash
set -x
set -e
if [ "$(git status -s --untracked-files=no)" != "" ]; then
  echo "You have unstaged changes. bail out"
  exit 1
fi

function check_configuration {
  CFGNAME="$1"
  EXTRA_GYP_DEFINES="$2"
  rm -rf out
  mkdir out
  (cd out; git init --quiet)
  git checkout --quiet origin/master
  GYP_DEFINES="$EXTRA_GYP_DEFINES $GYP_DEFINES" build/gyp_chromium
  rm -rf out/gypfiles out/*/build.ninja
  (cd out; git add -A; git commit --quiet -m tot; rm -rf *)

  git checkout --quiet -
  GYP_DEFINES="$EXTRA_GYP_DEFINES $GYP_DEFINES" build/gyp_chromium
  rm -rf out/gypfiles out/*/build.ninja
  echo "OUTPUT in $CFGNAME"
  (cd out; git diff --word-diff=porcelain -U2 | grep -Pv '^~$') > "$CFGNAME.diff"
}

function check_configuration_gn {
  CFGNAME="$1"
  GN_ARGS="$2"
  rm -rf out
  mkdir -p out/gn
  (cd out/gn; git init --quiet)
  git checkout --quiet origin/master
  echo "$GN_ARGS" > out/gn/args.gn
  gn gen out/gn
  rm out/gn/build.ninja.d out/gn/build.ninja
  ~/ninjasort.py out/gn
  (cd out/gn; git add -A; git commit --quiet -m tot; rm -rf *)

  git checkout --quiet -
  echo "$GN_ARGS" > out/gn/args.gn
  gn gen out/gn
  ~/ninjasort.py out/gn
  rm out/gn/build.ninja.d out/gn/build.ninja
  echo "OUTPUT in $CFGNAME"
  (cd out/gn; git diff --word-diff=porcelain -U2 | grep -Pv '^~$' ) > "$CFGNAME.diff"
}


if [ "$(uname -s)" == "Linux" ]; then
  check_configuration_gn "android_gn" 'target_os="android"'
  check_configuration_gn "android_gn_comp" 'target_os="android"
  is_component_build=true'
  check_configuration_gn "linux_gn" 'is_debug=false'
  check_configuration_gn "linux_gn_dbg" 'is_debug=true'
  check_configuration_gn "linux_gn_comp" 'is_component_build=true'
  check_configuration "linux_asan" "OS=linux asan=1"
  check_configuration "linux_shared" "OS=linux component=shared_library"
#  check_configuration "linux_static_noalloc" "OS=linux use_allocator=none"
#  check_configuration "linux_shared_noalloc" "OS=linux use_allocator=none component=shared_library"
  check_configuration "android_static" "OS=android"
  check_configuration "android_shared" "OS=android component=shared_library"
  check_configuration "linux_static" "OS=linux"
else
  check_configuration_gn "mac_gn" ''
  check_configuration_gn "mac_gn_comp" 'is_component_build=true'
  check_configuration "mac_static" "OS=mac"
  check_configuration "mac_shared" "OS=mac component=shared_library"
  check_configuration "mac_noalloc_static" "OS=mac use_allocator=none"
  check_configuration "mac_noalloc_shared" "OS=mac use_allocator=none component=shared_library"
  # check_configuration "ios_static" "OS=ios"
  # check_configuration "ios_shared" "OS=ios component=shared_library"
fi