change no of lines after and before in git diff output

Question

I want to increase the number of lines displayed before and after changes in git diff output.

Analogous to grep -A3 -B5 ...

Answer 1

According to git diff --help, git diff supports the same arguments as the standard diff command w/r/t context:

   -U<n>, --unified=<n>
       Generate diffs with <n> lines of context instead of the usual three. Implies
       -p.