Diff progress callback.
Called before each file comparison.
@param diff_so_far The diff being generated. @param old_path The path to the old file or null. @param new_path The path to the new file or null. @return Non-zero to abort the diff.
See Implementation
Diff progress callback.
Called before each file comparison.
@param diff_so_far The diff being generated. @param old_path The path to the old file or null. @param new_path The path to the new file or null. @return Non-zero to abort the diff.