[texshop] TeXShop 4.18

[Justin C. Walker]

Hi, Bruno,

> On Dec 1, 2018, at 13:18 , Bruno Voisin <bvoisin at icloud.com> wrote:
> 
>> On 1 Dec 2018, at 20:22, Justin C. Walker <justin at me.com> wrote:
>> 
>> I tried to check for updates on the more recent version (the 4.18 version announced only on this list) [out of curiosity more than anything].  I got an “Update Error” alert that told me this:
>> 
>> "TeXShop can't be updated, because it was opened from a read-only or a temporary location. Use Finder to copy TeXShop to the Applications folder, relaunch it from there, and try again.”
>> 
>> Never saw that before.  I then quit TeXShop and renamed it to the original, and tried again.  Same error.
>> 
>> There’s an obvious work-around, but I was (like the dead cat) curious: anyone seen this before?  Nothing significant has changed on this system (an iMac Pro running 10.13.6) in recent weeks, and the Sparkle scheme has generally worked, and never had a problem like this.
>> 
>> The error message seems incorrect to me: the App is not in a read-only directory, or in a temporary location.  It is in a directory owned root/admin; my primary group is admin, the protections on that directory are 775, and I own the App itself.
> 
> I've not seen the same error message, but for some time now, every time there's a Sparkle TeXShop update, authentication is asked for at some point, which I found odd given I didn't think TeXShop involved anything at the OS level.
> 
> I thought this was because /Applications/TeX was owned by root, but you seem to say this is normal and of no consequence, so I don't know.

This is, I think, fairly normal, and happens because you (TeXShop/Sparkle) are doing something in a (sub-)system (sub-)directory.  At least that’s my hunch in the absence of real knowledge (I see the same behavior, FWIW).

Justin

--
Justin C. Walker, Curmudgeon at Large
Institute for the Absorption of Federal Funds
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