Copy files from read only fs as writable

[Mike McCarty]

Tim wrote:
> On Mon, 2006-01-16 at 22:37 -0600, Jonathan Berry wrote:
> 
> 
>>Is there a way that I can make files from a read only file system copy
>>over as writable?  I have an NTFS partition (I think the same thing
>>happens with, say, a CD) mounted read only and whenever I copy files
>>over from it, they are given permissions that exclude the write bit.
> 
> 
> Hmm, I hadn't really noticed that before, but it does (I've not got NTFS
> to test with, but just tried it from a CD-ROM).
> 
> 
>>This is mostly just annoying, but I was wondering if there was some
>>way to have it automatically set the user writable bit when copying it
>>over.  Preferably a mount option so that it just works.  Any ideas?
> 
> 
> I'd imagine it'd have to be mounted as writable to work in the manner
> that you hope (I can never remember, for sure, if umask options in fstab
> lets you clear or set permissions, I think it clears masked bits).  I
> suppose you could make a script that did a copy then a chmod on files,
> and use that instead of directly using the cp command.
> 
> I have a slightly different annoyance that I haven't resolved:  All
> files on a CD are mounted as executable.  I don't want that, it brings

Not on my machine, they aren't. Hmm. That's interesting.

Here's my fstab entry... (edited for space)

/dev/cdrom /mnt/cdrom udf,iso9660 noauto,user,kudzu,exec,ro 0 0

It indeed mounts as RO, but not X.

> about problems.  If I only ever mounted ISO9660 discs I could change my
> fstab configuration to resolve that (looking at what options are
> available to me in the man file about this - mode presetting), but I
> also mount UDF discs, and the option isn't compatible (for a single
> fstab line mounting discs in either format, automatically).  Mounting
> them no-exec doesn't help.

Hmm. Odd. I run FC2, perhaps something changed?

Mike
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