[texshop] TeXShop 4.18

[Richard Koch]

> On Dec 1, 2018, at 1:18 PM, 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.
> 
> 
> Brubno

Bruno,

TeXShop has no code that could request authentication.

 I don't see a request for authentication when I update using Sparkle, but then, I own the folder containing the version being updated.  If /Applications/TeX is owned by root, I'd think the authentication request came from macOS.

Dick