Diff so fancy is great too! I go back and forth between it and delta at times by leaving delta as the default diff tool and adding a git alias for the following:

    dsf = "!f() { [ -z \"$GIT_PREFIX\" ] || cd \"$GIT_PREFIX\" && git diff --color \"$@\" | diff-so-fancy  | less --tabs=4 -RFXS; }; f"