Backup to Yandex.Disk using webdav

backup.sh

 #!/usr/bin/env sh

remote_url='https://webdav.yandex.ru/backups'
credentials=$(cat ~/.yapwd) # user:password

curl_command="curl -u $credentials"

create_remote_dir() {
    $curl_command -X MKCOL "$remote_url/$1"
    return $?
}

upload_file() {
    $curl_command -T $1 "$remote_url/${2:-$(basename $1)}"
    return $?
}

upload_dir() {
    abspath=$(realpath -s "$1")
    dirname=$(basename "$abspath")
    if create_remote_dir "$dirname"; then
        for file in $(ls -1 "$abspath"); do
            # Copy only regular files
            [ -f "$abspath/$file" ] && upload_file "$abspath/$file" "$dirname/$file" && echo "$file: OK"
        done
    fi  
}

upload_dir "$1"