#!/bin/bash

AUTH=xuu:zero-punish-whenever-swell
SSH_KEY=~/.ssh/id_ed25519
MERCURY_URL=localhost:4088/v1/mercury/config 

SIGFILE=$(mktemp)

http --auth "$AUTH" \
     GET "$MERCURY_URL" \
     space=="$1" |\
   sed '/^----/,$d' |\
   tee "$SIGFILE" | tee test | \
   ssh-keygen -Y sign \
              -f "$SSH_KEY" \
              -n file >> "$SIGFILE"

http -f \
     --auth "$AUTH" \
     POST "$MERCURY_URL" \
     "content@$SIGFILE"

rm "$SIGFILE"