git how to unadd 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: git undo add

// undo add for one file
git reset <file>

// undo add for all files
git reset

Example 3: how to unadd gitr file

git reset HEAD myfile.txt