how to remove local changes in git code example

Example 1: git discard local changes

# Discarding local changes (permanently) to a file:
git checkout -- <file>

# Discard all local changes to all files permanently:
git reset --hard

Example 2: remove local changes git

git fetch  # will fetch the latest changes on the remote
git reset --hard origin/master # will set your local branch to match the representation of the remote just pulled down.

Example 3: undo unstaged changes git

git checkout -- .

Example 4: clear local changes in git

git checkout .