git --no-index
ブランチに、--no-indexを使うとエラーになる。
git diff --color-words --no-index remotes/origin/nougat-release remotes/origin/marshmallow-release > skia_diff.txt error: Could not access 'remotes/origin/nougat-release'
>git diff --color-words remotes/origin/nougat-release remotes/origin/marshmallow-release > skia_diff.txt