A simple archival script using fish.

simple_archive.fish

#!/usr/bin/fish

echo_progress "Backing up (almost) everything..."
echo

for project in (find * -mindepth 0 -maxdepth 0 -type d)
    # We're not ready to backup plexarr yet.
    if test "$project" = "plexarr"
        continue
    end

    set source "./$project"
    set directory "/backups/$project"
    set destination "$directory/"(date +'%Y-%m-%d__%H-%m')".tar.gz"
    set size (du --summarize --bytes "$source" | cut -f 1)
    set humansize (du --summarize --human-readable "$source" | cut -f 1)

    echo_progress "Archiving "
    echo_highlight "$project"
    echo_progress " into "
    echo_highlight "$destination"
    echo_progress " ($humansize)..."
    echo

    mkdir --parents "$directory"
    tar -cf - "$source" | pv --progress --eta --rate --size "$size" | gzip --to-stdout > "$destination"
end

echo_progress "Backup complete!"