[pacman-dev] [PATCH 0/2] [WIP] Fix du filesize computation

Santiago Torres-Arias santiago at archlinux.org
Fri Mar 8 03:18:00 UTC 2019

On Thu, Mar 07, 2019 at 10:07:12PM -0500, Eli Schwartz wrote:
> On 3/7/19 9:36 PM, Santiago Torres wrote:
> > This patchset is a WIP that tries to address FS#61717[1].
> > 
> > This is my first patch for pacman, so I may be missing a couple of the
> > heuristics of proper pacman develoment. Namely, I'm worried about the
> > use of xargs (I went down this road because I wanted to have the minimal
> > set of changes). I'm not sure what're the heuristics for what I can
> > assume (e.g., can findutils be assumed to exist?).
> We explicitly use find -exec elsewhere, so that should be fine.
> xargs --null is a GNU-ism and does not work on supported targets:
> busybox xargs, and BSD xargs. Both support -0, but it is anyways a
> better idea to simply stick with POSIX-defined find -exec ... {} +

Oh ok, Ill move to a find-exec construct then.

> (I think you can generally assume that long options will not work by
> default, actually. Neither busybox nor BSD utilities typically seem to
> implement them.)

TIL, thanks!

> > As a followup of this, I removed the configure.ac stuff related to
> > DUPATH and DUFLAGS. I'm not sure if we'd want to add XARGSPATH or so. I
> > opted to not do that just yet.
> We do not need this; the only reason du is configurable rather than
> relying on the PATH, is because people had wrapper programs that
> pretended to be du, but were broken: https://bugs.archlinux.org/task/19932

Aha, noted!

> No one tries to colorize the output of find -exec or of xargs, I hope...

Lol I hope so too. Let me follow up with a v2 using find -exec cat {}

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