scripts/gather-files


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#!/bin/bash

if [ $# -ne 1 ]; then
  >&2 echo 'usage: '"$0"' host'
  exit 1
fi

cd "${0%/*}/.."

ssh "${2:-$1}" -t 'su -c '"'"'
  uname -n
  cut -d: -f1,6 \
  </etc/passwd \
  | tr ":" " " \
  | while read -r user home; do
    [ -d "${home}/.ssh" ] \
    || continue
    [ -f "${home}/.ssh/authorized_keys" ] \
    || continue
    sed "s@^@${user} @" "${home}/.ssh/authorized_keys"
  done
'"'" \
2>/dev/null \
| tee /dev/stderr \
| sed 1d \
| tr -d '\r' \
| {
  read -r host
  [ -z "${host}" ] && exit 1
  rm -rf --one-file-system "hosts/${host}"
  mkdir -p "hosts/${host}"
  while read user key; do
    printf '%s\n' "${key}" \
    >> "hosts/${host}/${user}"
  done
}