--no-pager
to Git will tell it to not use a pager. Passing the option -F
to less
will tell it to not page if the output fits in a single screen.
Usage:
git --no-pager diff
Other options from the comments include:
# Set an evaporating environment variable to use 'cat' for your pager
GIT_PAGER=cat git diff
# Tells 'less' not to paginate if less than a page
export LESS="-F -X $LESS"
# ...then Git as usual
git diff