On 01/14/2013 05:33 PM, Sean Farley wrote:
On Mon, Jan 14, 2013 at 11:09 AM, Blair Zajac <[email protected]> wrote:
On 01/13/2013 06:46 PM, Ryan Schmidt wrote:
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.
Instead of tar, you can use find's -perms flag. I haven't tried this, but
this may work:
$ find PATH -depth -perms +r -print0 | cpio -0 -p -d -m -u -v "$worksrcpath
I would agree with Jeremy's suggestion to use rsync. I think that will
be the most elegant and not involve any piping or redirection, etc.
Though, I haven't tried to formulate the command yet; I'm just
thinking out loud here.
That'll work also, but you'll get more errors from rsync on the files
and directories it cannot read. Granted, find will also warn on
directories it cannot descend into.
Blair
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