gistfile1.txt

#!/bin/bash

# This script compiles tcpdump as a static binary
# Useful for running in pods or other places you shouldn't be

GREEN=$(tput setaf 2)
NOCOLOR=$(tput sgr0)
TICK="$NOCOLOR[$GREEN+$NOCOLOR] "

spin() {
    local pid=$!
    local spin='|/-\'
    local i=0
    while kill -0 $pid 2>/dev/null; do
        i=$(((i + 1) % 4))
        printf "\r${spin:$i:1}"
        sleep .1
    done
    printf "  \r"
}


echo $TICK"Building tcpdump, please wait...."

docker run -v $PWD:/out --rm alpine sh -c '

apk add --update alpine-sdk git libpcap libpcap-dev 1> /dev/null

cd /tmp; git clone https://github.com/eldadru/ksniff 1> /dev/null; cd ksniff

TCPDUMP_VERSION=4.99.4

make static-tcpdump 1> /dev/null

cp static-tcpdump /out
' 1> /dev/null 2> >(cat >/dev/null) &
spin
wait $! 
echo $TICK"Done!"

Picture with pretty colors: