mail-get-link

#!/bin/bash

subject=""
link=""

while :; do
    read line
    if [[ -z "$line" ]]; then
        break
    fi
    if [[ "$line" == "Subject: "* ]]; then
        subject=${line/Subject: /}
    elif echo "$line" | grep -qE "^Message-I[Dd]: "; then
        line=${line/>/}
        line=${line/Message-I[dD]: </https:\/\/lore.kernel.org\/r\/}
        link="$line"
    fi

    if [[ -n "$subject" && -n "$link" ]]; then
        break
    fi
done 

echo "$subject"
echo "$link"