Git

Push new commit

git checkout -b <branch_name>
git add .
git commit -m "My commit message"
git push origin <branch_name>

git add . && git commit -m "My commit message" && git push origin master

you also can run git add -p to check diff step by step

Amend to last comit

git add . && git commit --amend --no-edit && git push -f