[pacman-dev] [PATCH] Show used/freed space when syncing

[Xavier Chantry]

On Wed, Jan 20, 2010 at 10:03 AM, Hugo Chargois <hugo.chargois at free.fr> wrote:
> On Wed, Jan 20, 2010 at 6:08 AM, Dan McGee <dpmcgee at gmail.com> wrote:
>> The naming is not my favorite, but that may be a detail we can get
>> around. Instead of "Total Size Used/Freed:", hmm. It is something more
>> like "Total Installed Size Delta", but that sucks more than what you
>> came up with.
>
> I like "Total Installed Size Delta". In fact it's what I called it in
> my head when I was thinking about it. I called the var that holds the
> value mbdeltasize, too.
> I finally came up with something different because first, that was too
> long to align with the preceding two "Total..." so it wouldn't look
> good, and I didn't want to touch these strings because it would have
> broken the translations. Secondly, I thought that maybe it was a bit
> non-user friendly because delta is a scientific denomination and
> probably not everyone is familiar with what it means. So I just used
> something that reminds what apt-get says because I'm familiar with it.
>
>> As a side note, "% .2f MB" will never work as a format- that is
>> "%<space>.2f MB" and will not work as expected. I didn't check if that
>> got fixed in a later patch, but just an FYI.
>
> It works. <space> is a valid flag for printf formatting that means:
> put a space before a positive number (and of course a minus before a
> positive one). That way, the number is aligned with the ones from the
> two lines above, whether it's negative or positive, and the minus, if
> any, 'sticks out'.
>
>> Are there widespread objections to this patch? I like the idea, but I
>> also worry we are getting quite cluttered here with junk that some
>> people might care less about, and as Allan said, this isn't a very
>> valid substitute for a disk space check.
>
> To me, I think that this delta installed size is more important than
> the installed size. If I installed a package, it's that I deemed its
> size acceptable. I don't really care afterwards what size the update
> takes, I prefer knowing how it's growing. If I really want to know
> what size it is, I would query its info, and this has nothing to do
> with an update. So if had created pacman, I would probably showed
> delta installed size instead of installed size. But I totally
> understand that some people do care about the total installed size,
> and know it couldn't be changed anyway because people are now familiar
> with it. But I think it's a useful information and it well deserves an
> extra line.
>
> As for the disk space check, now you just have to sum the download
> size and the installed size delta and you have the total diskspace
> used. Without the delta, you have no way to know.
>
>

I am on your side. I don't really care about installed size, I only
look at the download one.
And the delta size is probably more interesting than installed one.

If people care about both, I am also fine with having the two. I don't
care much either way.