#!/bin/bash
#-------------------------------------------------------------------------------
# SPDX-License-Identifier: GPL-3.0-or-later
# SPDX-FileCopyrightText: 2021, Juan Picca <juan.picca@jumapico.uy>
#
# Transfer files to <https://ichi.city/>.
#
#-------------------------------------------------------------------------------
[ -n "$DEBUG" ] && { export PS4='+ [${BASH_SOURCE##*/}:${LINENO}] '; set -x; }
set -euo pipefail

if [ $# -ne 1 ]; then
    printf "Usage: %s user\n" "$0"
    exit 1
elif [ ! -d "$1" ]; then
    printf "Directory %s does not exist\n" "$1"
    exit 1
elif [ ! -f CREDENTIALS ]; then
    printf "Missing file \`CREDENTIALS\` with 'user = password' values\n"
    exit 1
else
    user="$1"
    SSHPASS=$(sed -n "s/^\s*${user}\s*=\s*\([^ ]*\)\s*$/\1/p" CREDENTIALS)
    if [ -z "$SSHPASS" ]; then
        printf "Missing 'user = password' entry for user %s in CREDENTIALS\n" "$user"
        exit 1
    elif [ "$(echo "$SSHPASS" | wc -l)" -ne 1 ]; then
        printf "More than one password line for user %s in CREDENTIALS\n" "$user"
        exit 1
    fi
    export SSHPASS
    sshpass -e sftp -oBatchMode=no -b - "${user}"@ichi.city <<END
        -rm /${user}/*
        -rm /${user}/.[!.]*
        put -R ./${user}/ /
END
fi