Re: posix command search and execution

[Mike Jonkmans]

On Sat, Nov 11, 2023 at 08:31:14AM -0500, Greg Wooledge wrote:
> On Sat, Nov 11, 2023 at 09:14:41AM +0100, Mike Jonkmans wrote:
> > On Fri, Nov 10, 2023 at 08:07:31PM -0500, Chet Ramey wrote:
> > > On 11/9/23 11:17 AM, Mike Jonkmans wrote:
> > > > On Thu, Nov 09, 2023 at 10:12:06PM +0700, Robert Elz wrote:
> > > > 
> > > > On Ubuntu 22.04 `getconf path' returns /bin:/usr/bin
> > > > and these are symlinked.
> > > Then that's an issue to take up with Debian/Ubuntu, right? If they're
> > > symlinked by the distro, then getconf PATH should only return one of them.
> > 
> > Yes, that would be more efficient than a shell checking for symlinks in 
> > PATH.
> > 
> > I'll try to convince them.
> 
> Good luck with that.  The problem with "usrmerge" in Debian is that
> it's still optional.  There are Debian infrastructure systems (virtual
> machines especially) that don't use it.  Therefore, simply changing
> the static answer in confstr(3) across all Debian systems would be
> incorrect.  They would need to make it check the actual /bin to see
> whether it's a symbolic link to usr/bin, and give an answer accordingly.
> 
> It's a lot less work to just leave it as is.

Thanks for the warning.
I'll leave them alone then.

-- 
Regards, Mike Jonkmans