how to stash a specific file git code example

Example 1: git stash one file

$ git stash -- filename.ext

Example 2: git stash apply specific file

git diff stash^! -- path/to/relevant/file/in/stash.ext perhaps/another/file.ext > my.patch
git apply < my.patch

Example 3: stash specific files

git stash push -m welcome_cart app/views/cart/welcome.thtml