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Re: How to properly set up reminders for paying cellphone fees in org?
From: |
tomas |
Subject: |
Re: How to properly set up reminders for paying cellphone fees in org? |
Date: |
Sat, 2 May 2020 10:12:44 +0200 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Sat, May 02, 2020 at 09:37:40AM +0200, Marcin Borkowski wrote:
>
> On 2020-04-30, at 07:02, Kyle Meyer <address@hidden> wrote:
>
> > And note that a utility like datefudge or libfaketime is useful for
> > testing these sorts of things out. For example:
> >
> > $ datefudge "2020-02-18" emacs [...]
>
> Shameless plug: I wrote about this use-case of datefudge sime time ago:
> http://mbork.pl/2019-08-05_datefudge_and_agenda_testing
>
> (I don't know libfaketime).
It just plays games with LD_PRELOAD to trick the application (which is
supposed to use the usual libs when asking for time, but most do that).
Infinitely more lightweight than a container or a VM. On Debian:
tomas@trotzki:~$ apt show libfaketime
Package: libfaketime
[...]
Download-Size: 31.2 kB
APT-Sources: http://ftp.de.debian.org/debian buster/main amd64 Packages
Description: Report faked system time to programs (preload library)
The Fake Time Preload Library (FTPL, a.k.a. libfaketime) intercepts
various system calls which programs use to retrieve the current date
and time [...] FTPL allows you to specify both absolute dates (e.g.,
2004-01-01) and relative dates (e.g., 10 days ago).
You might need a VM for an app which bypasses the "usual libraries",
but then, I don't know whether I would like to have such a thing on
my box. Probably not without a good reason :-)
Cheers
-- t
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