fzf-scripts/sshget

#!/usr/bin/env bash

declare -r fifo='/tmp/sshget.fifo'
declare -A domains=()
declare -A paths=()
declare -a files=()

declare esc=$'\033'
declare c_reset="${esc}[0m"
declare c_red="${esc}[31m"

usage() {
  more <<'HELP'
sshget user@host1:/path/to/search user@host2:/path/to/search
HELP
}

err() {
  printf "${c_red}%s${c_reset}\n" "$*" >&2
}

die() {
  exit 1
}

has() {
  local verbose=false
  if [[ $1 == '-v' ]]; then
    verbose=true
    shift
  fi
  for c in "$@"; do c="${c%% *}"
    if ! command -v "$c" &> /dev/null; then
      [[ "$verbose" == true ]] && err "$c not found"
      return 1
    fi
  done
}

has -v fzf rsync || die

cleanup() {
  [[ -e "$fifo" ]] && rm "$fifo"
}
trap cleanup SIGHUP SIGINT SIGTERM

mkfifo "$fifo"

for a in "$@"; do
  host="${a%%:*}"
  path="${a##*:}"
  domains+=( ["$a"]="$host" )
  paths+=( ["$a"]="$path" )
  shift
done

for s in "${!domains[@]}"; do
  ssh "${domains[$s]}" "find ${paths[$s]}" | sed -r "s|^(.*)|${domains[$s]}:\"\1\"|" >> "$fifo" &
done

mapfile -t files < <( fzf -e --inline-info --multi --cycle < "$fifo" )

if (( ${#files[@]} )); then
  rsync -auvzP -e ssh "${files[@]}" .
fi

cleanup