[OE-core] [PATCH 1/1] msmtp: fix postinstall to avoid do_rootfs failure

[Adrian Bunk]

On Mon, Jul 15, 2019 at 02:40:28PM +0800, ChenQi wrote:
> On 07/15/2019 02:17 PM, Adrian Bunk wrote:
> > On Mon, Jul 15, 2019 at 01:35:15PM +0800, Chen Qi wrote:
> > > When lsb is enabled, that is, 'linuxstdbase' is in OVERRIDES,
> > > do_rootfs would fail if both 'msmtp' and 'postfix' are installed.
> > > This is because they both try to create /usr/lib/sendmail link if
> > > it does not exist. So we need to fix the check to avoid non-zero
> > > exit status.
> > > ...
> > This would make it random (depending on installation order) which is
> > linked to, and it could also make ${sbindir}/sendmail and
> > $D/usr/lib/sendmail point to different programs.
> > 
> > It would be better to make $D/usr/lib/sendmail also an alternative in
> > all packages that provide sendmail.
> > 
> > cu
> > Adrian
> > 
> I don't think we should mix linuxstdbase and ALTERNATIVES setting. It makes
> things complicated.
> As ALTERNATIVES_PRIORITY is higher in postfix, I'll just remove the check in
> postfix and use 'ln -sf' directly.
> Can you accept this solution?

I do not see how this solves your problem if msmtp gets installed
after postfix.

Is it actually required to have these packages installed at the same 
time in LSB?

If not, something like
  RCONFLICTS_linuxstdbase = "postfix"
might work. (untested)

> Regards,
> Chen Qi

cu
Adrian

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