関連ワード:  git revert changes to file in commit    git undo changes to file in commit    git revert changes to single file in commit    git revert changes to file in previous commit    git revert changes to file before commit    git undo changes to file in last commit    git revert changes to one file in a commit    git undo changes to file after commit    git undo changes to file before commit    git revert changes to single file before commit