* bug#11000: 24.0.94; Caching '--dired' is a bad idea
@ 2012-03-12 11:45 Leo
2012-03-12 16:47 ` Glenn Morris
0 siblings, 1 reply; 5+ messages in thread
From: Leo @ 2012-03-12 11:45 UTC (permalink / raw)
To: 11000
If I change insert-directory-program from one supports --dired to one
not, I can no longer open any directory in dired-mode. For example on
OSX, I have the `ls' from BSD and another one from GNU coreutils
installed as `gls', not to mention opening remote directories.
I think caching --dired switch in dired-use-ls-dired is a bad idea.
Leo
^ permalink raw reply [flat|nested] 5+ messages in thread
* bug#11000: 24.0.94; Caching '--dired' is a bad idea
2012-03-12 11:45 bug#11000: 24.0.94; Caching '--dired' is a bad idea Leo
@ 2012-03-12 16:47 ` Glenn Morris
2012-03-13 10:47 ` Leo
0 siblings, 1 reply; 5+ messages in thread
From: Glenn Morris @ 2012-03-12 16:47 UTC (permalink / raw)
To: Leo; +Cc: 11000
Leo wrote:
> If I change insert-directory-program from one supports --dired to one
> not, I can no longer open any directory in dired-mode. For example on
> OSX, I have the `ls' from BSD and another one from GNU coreutils
> installed as `gls', not to mention opening remote directories.
>
> I think caching --dired switch in dired-use-ls-dired is a bad idea.
Not caching it is a worse idea.
There should simple be a note in the doc of insert-directory-program,
saying that if you change this, you may need to change
dired-use-ls-dired. If insert-directory-program were a defcustom
(currently, it is not even a user option), it could have a :set function
that makes the necessary change for you.
^ permalink raw reply [flat|nested] 5+ messages in thread
* bug#11000: 24.0.94; Caching '--dired' is a bad idea
2012-03-12 16:47 ` Glenn Morris
@ 2012-03-13 10:47 ` Leo
2012-03-13 23:47 ` Glenn Morris
0 siblings, 1 reply; 5+ messages in thread
From: Leo @ 2012-03-13 10:47 UTC (permalink / raw)
To: 11000
On 2012-03-13 00:47 +0800, Glenn Morris wrote:
> Not caching it is a worse idea.
Could you elaborate on this point? I really would like to know.
> There should simple be a note in the doc of insert-directory-program,
> saying that if you change this, you may need to change
> dired-use-ls-dired. If insert-directory-program were a defcustom
> (currently, it is not even a user option), it could have a :set
> function that makes the necessary change for you.
I agree.
Leo
^ permalink raw reply [flat|nested] 5+ messages in thread
* bug#11000: 24.0.94; Caching '--dired' is a bad idea
2012-03-13 10:47 ` Leo
@ 2012-03-13 23:47 ` Glenn Morris
2013-03-24 12:01 ` Leo Liu
0 siblings, 1 reply; 5+ messages in thread
From: Glenn Morris @ 2012-03-13 23:47 UTC (permalink / raw)
To: Leo; +Cc: 11000
Leo wrote:
> On 2012-03-13 00:47 +0800, Glenn Morris wrote:
>> Not caching it is a worse idea.
>
> Could you elaborate on this point? I really would like to know.
Just that it sounds very inefficient for everybody to have test what
options `ls' supports on every invocation, just because you are doing
something that sounds frankly rather odd.
There are many places in Emacs that test for features in external
commands the first time only, then make the IMO reasonable assumption
that the command isn't going to change underneath.
rmail-movemail-variant-in-use, find-exec-terminator, etc.
^ permalink raw reply [flat|nested] 5+ messages in thread
* bug#11000: 24.0.94; Caching '--dired' is a bad idea
2012-03-13 23:47 ` Glenn Morris
@ 2013-03-24 12:01 ` Leo Liu
0 siblings, 0 replies; 5+ messages in thread
From: Leo Liu @ 2013-03-24 12:01 UTC (permalink / raw)
To: 11000-done
Not a bug.
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2013-03-24 12:01 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
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2012-03-12 11:45 bug#11000: 24.0.94; Caching '--dired' is a bad idea Leo
2012-03-12 16:47 ` Glenn Morris
2012-03-13 10:47 ` Leo
2012-03-13 23:47 ` Glenn Morris
2013-03-24 12:01 ` Leo Liu
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