Ignore coding-style related changes in magit-blame

magit-blame-ignore-whitespace.el

(defadvice magit-blame-file-on (around magit-blame-ignore-whitespace activate)
    (let ((buffer (ad-get-arg 0)))
      (save-excursion
        (with-current-buffer buffer
          (save-restriction
            (with-temp-buffer
              (magit-git-insert (list "blame"
                                      "-w" ; ignore coding-style related changes
                                      "--porcelain" "--"
                                      (file-name-nondirectory
                                       (buffer-file-name buffer))))
              (magit-blame-parse buffer (current-buffer))))))))