Hi all,

> Am 08.05.2022 um 03:18 schrieb Neville Smythe via use-livecode 
> <use-livecode@lists.runrev.com>:
>> On 8 May 2022, at 2:00 am, Brian Milby wrote:
>> It is a bug somewhere. See this big report:
>> https://quality.livecode.com/show_bug.cgi?id=21447 
>> <https://quality.livecode.com/show_bug.cgi?id=21447>
>> I actually think it is related. The zip should be created as a Unix variant 
>> and not Fat and file attributes should be stored. One thing that could be 
>> tried is to manually set the executable bit when creating the archive. I was 
>> able to store a link in a zip using this method, but there is no way to read 
>> the file attributes in LC.
> Brian, utter genius!
> Not only do you pinpoint the bug — revZip is creating a ‘fat’ zip not a ‘unx’ 
> zip and not adding the external attributes – but it looks like you have 
> provided the workaround (for my problem of execute permissions at least)
> I tried the implausible trick of using the undocumented 
> revZipSetItemAttributes
> put 0x80000000 into tExtAttributes -- regular file
> add 0x01ED0000 to tExtAttributes -- rwxrwxr-x -- modify as per file (and may 
> only do for Mac,Linux?)
> revZipSetItemAttributes pArchive, pName, 3, tExtAttributes  — 3 for unix 
> system
> for each file as it is added to the archive. I didn’t really expect this to 
> work as the file is already added to the archive in ‘fat’ format.
> Not only does unzip -Z report that the archive items are now in ‘unx’ format 
> with permissions rwxrwxr-x, but astonishingly the zip actually decompresses 
> to a working executable – well, only so far briefly tested on a Mac but it 
> seems likely this is going to work on all platforms. 
> As you point out in your bug 21447 report, revZip probably won’t be able to 
> decompress the archive correctly because of other deficiencies, but I only 
> need the user's system to unpack it. And I will have to modify the 
> permissions for each individual file in the archive. 
> I never thought I would use the expression, but, like , awesome! OK sorry I 
> went there, but jolly well done, that man!
> 
> Neville

I really wonder how much more useful features are undocumented and why they do 
not find their way into the dictionary!?

--
Klaus Major
https://www.major-k.de
https://www.major-k.de/bass
kl...@major-k.de


_______________________________________________
use-livecode mailing list
use-livecode@lists.runrev.com
Please visit this url to subscribe, unsubscribe and manage your subscription 
preferences:
http://lists.runrev.com/mailman/listinfo/use-livecode

Reply via email to