colour-diff-output

#!/usr/bin/awk -f

/^cvs server: /                 { print "\033[1;30m" $0; next }
/^\? /                          { print "\033[0;33m" $0; next }
/^(Index|======)/               { print "\033[0;1m"  $0; next }
/^(diff|RCS file|retrieving)/   { print "\033[0m"    $0; next }
/^(@@|\*\*\*(\*| [0-9]+,))/     { print "\033[1;33m" $0; next }
/^(---|\*\*\*) [0-9]+,/         { print "\033[1;33m" $0; next }
/^(---|\+\+\+|\*\*\*) /         { print "\033[1;37m" $0; next }
/^-/                            { print "\033[0;36m" $0; next }
/^+/                            { print "\033[1;32m" $0; next }
/^!/                            { print "\033[1;34m" $0; next }

{ print "\033[0m" $0; lines++ }

END { if (lines > 0) { printf "\033[0m\n" } }