tint-dawn-merge-diff.sh

set -e
WD=$(pwd)/merge-tint-dawn
TINT=$WD/tint
DAWN=$WD/dawn
MERGE=$WD/merge

if [ ! -d $TINT ]; then
    git clone https://dawn.googlesource.com/tint "$TINT"
    git -C "$TINT" checkout 66d6668372d9fde5e09e25ba48632b15ed3d8cd2
fi
if [ ! -d $DAWN ]; then
    git clone https://dawn.googlesource.com/dawn "$DAWN"
    git -C "$DAWN" checkout b5c5df50ab385e52dbae22ee6b5761780291bed9
fi

rm -fr "$MERGE"
rsync -r "$TINT/" "$MERGE" --exclude '.git' --exclude '.gitignore'
rsync -r "$DAWN/" "$MERGE"

git -C "$MERGE" config core.safecrlf false # silence 'warning: CRLF will be replaced by LF' warning
git -C "$MERGE" add .
git -C "$MERGE" commit -m "overlay merge base" > /dev/null

echo
echo "> View diff summary? [y/n]"
read INPUT
if [[ $INPUT =~ ^[Yy]$ ]]; then
    git -C "$MERGE" diff HEAD origin/tint-merge --ignore-space-at-eol --compact-summary
fi

echo
echo "> View changed and added files? [y/n]"
read INPUT
if [[ $INPUT =~ ^[Yy]$ ]]; then
    git -C "$MERGE" diff HEAD origin/tint-merge --ignore-space-at-eol --diff-filter=d
fi