Merge branch 'ly/diff-name-only-with-diff-from-content' into maint-2.51

Various options to "git diff" that makes comparison ignore certain aspects of the differences (like "space changes are ignored", "differences in lines that match these regular expressions are ignored") did not work well with "--name-only" and friends. * ly/diff-name-only-with-diff-from-content: diff: ensure consistent diff behavior with ignore options