Colorize Fossil's diff like Git

fossil-diff

export bold=$(echo -e "\e[1m")
export black=$(echo -e "\e[30m")
export red=$(echo -e "\e[31m")
export green=$(echo -e "\e[32m")
export yellow=$(echo -e "\e[33m")
export blue=$(echo -e "\e[34m")
export magenta=$(echo -e "\e[35m")
export cyan=$(echo -e "\e[36m")
export reset=$(echo -e "\e[m")

fossil-diff ()
{
  fossil diff "$@" |
    sed -e "s/^\(+++\)\(.*\)$/$bold\1\2$reset/" \
        -e "s/^\(---\)\(.*\)$/$bold\1\2$reset/" \
        -e "s/^\(=======\)\(.*\)$/$bold\1\2$reset/" \
        -e "s/^\(Index: \)\(.*\)$/$bold\1\2$reset/" \
        -e "s/^\(ADDED\)\(.*\)$/$cyan\1$green\2$reset/" \
        -e "s/^\(DELETED\|MISSING\)\(.*\)$/$cyan\1$red\2$reset/" \
        -e "s/^\(CHANGED\)\(.*\)$/$cyan\1$bold\2$reset/" \
        -e "s/^\(@@\)\(.*\)$/$magenta\1\2$reset/" \
        -e "s/^\+\(.*\)$/$bold+$reset$green\1$reset/" \
        -e "s/^\-\(.*\)$/$bold-$reset$red\1$reset/" |
    less -SR
}