# Discarding local changes (permanently) to a file:
git checkout -- <file>
# Discard all local changes to all files permanently:
git reset --hardgit reset; git checkout .; git reset --hard HEAD; git clean -fdx; \
git fetch --all; git pullgit clean -df
git checkout -- .
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.
git checkout HEAD -- my-file.txtgit checkout -- .