On Jan 13, 2013, at 18:53, Blair Zajac wrote:
> On 01/13/2013 03:36 PM, Ryan Schmidt wrote:
>
>> https://trac.macports.org/ticket/21117
>>
>> I think the problem still remains when you have a non-root MacPorts
>> installation; that's the configuration I was using when I initially filed
>> the ticket, before the privilege-dropping code was added to MacPorts and
>> made it an issue for everyone. The way I was thinking of fixing it was to
>> exclude those files from copying that we don't need anyway and I think that
>> still might be a better way, but I didn't really know how to do that which
>> is why I never did anything about the ticket.
>
> If you're doing this as non-root, then presumably you have permissions
> yourself to mount a DMG. Are you saying that even if you can mount it,
> there's files in there you cannot see?
I haven't tried using a non-root MacPorts installation in awhile; it just
seemed to become totally impossible once the privilege-dropping branch got
merged in. Maybe those bugs have been fixed by now.
But here's an example from outside of MacPorts, using the distfile for the
cliclick port:
$ open cliclick/2.1/cliclick.dmg
$ cd /Volumes/cliclick
$ find . -print0 | xargs -0 ls -ld
find: ./.Trashes: Permission denied
drwxr-xr-x 12 rschmidt rschmidt 476 Sep 26 02:12 .
-rw-r--r--@ 1 rschmidt rschmidt 12292 Sep 26 02:14 ./.DS_Store
d-wx-wx-wt 2 rschmidt rschmidt 68 Sep 26 02:15 ./.Trashes
drwxr-xr-x 8 rschmidt rschmidt 272 Sep 26 02:13 ./.assets
-rw-r--r-- 1 rschmidt rschmidt 5639 Sep 26 02:11 ./.assets/AppIcon.png
-rw-r--r-- 1 rschmidt rschmidt 95 Sep 26 02:11 ./.assets/bar.gif
-rw-r--r-- 1 rschmidt rschmidt 4535 Sep 14 05:24
./.assets/diskimage-background.png
-rw-r--r-- 1 rschmidt rschmidt 67 Sep 26 02:11 ./.assets/li.gif
-rw-r--r-- 1 rschmidt rschmidt 1193 Sep 26 02:11 ./.assets/logo.gif
-rw-r--r-- 1 rschmidt rschmidt 1301 Sep 26 02:11 ./.assets/style.css
drwx------ 4 rschmidt rschmidt 136 Sep 26 02:15 ./.fseventsd
-rw------- 1 rschmidt rschmidt 209 Sep 26 02:15
./.fseventsd/6365733132517f42
-rw------- 1 rschmidt rschmidt 36 Sep 26 02:15
./.fseventsd/fseventsd-uuid
-rw-r--r-- 1 rschmidt rschmidt 277 Sep 26 02:11 ./Contact.webloc
-rw-r--r--@ 1 rschmidt rschmidt 4676 Sep 26 02:11 ./Read me.html
-rw-r--r-- 1 rschmidt rschmidt 265 Sep 26 02:11 ./Website.webloc
-rwxr-xr-x 1 rschmidt rschmidt 89216 Sep 26 02:11 ./cliclick
So .Trashes cannot be seen. One solution I thought of was to just not copy
anything beginning with a period. In other words, "cp * ${worksrcpath}". ("*"
expansion does not include items starting with ".")
A more elaborate and more correct solution would be to actually look at the
permissions of each item and just not copy those we're not allowed to, but
doing that in a single-line command execution, such as is required by the
extract system, was daunting.
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