[PATCH [mtd-utils] 3/3] mkfs.ubifs: allow reformatting of devices

[Mike Frysinger]

On Monday 13 May 2013 04:14:08 Artem Bityutskiy wrote:
> On Fri, 2013-05-10 at 11:26 -0400, Mike Frysinger wrote:
> > On Friday 10 May 2013 03:07:53 Ricard Wanderlof wrote:
> > > On Wed, 8 May 2013, Mike Frysinger wrote:
> > > > Sometimes I want to re-initialize an existing ubifs, but the tool
> > > > currently bails out if the volume is already formatted.  Prompt the
> > > > user instead so they can decide.
> > > > 
> > > >     {"max-leb-cnt",        1, NULL, 'c'},
> > > >     {"output",             1, NULL, 'o'},
> > > >     {"devtable",           1, NULL, 'D'},
> > > > 
> > > > +   {"yes",                0, NULL, 'y'},
> > > > 
> > > >     {"help",               0, NULL, 'h'},
> > > >     {"verbose",            0, NULL, 'v'},
> > > >     {"version",            0, NULL, 'V'},
> > > > 
> > > > @@ -191,6 +193,7 @@ static const char *helptext =
> > > > "-U, --squash-uids        squash owners making all files owned by
> > > > root\n" "-l, --log-lebs=COUNT     count of erase blocks for the log
> > > > (used only for\n" "                         debugging)\n"
> > > > +"-y, --yes                assume the answer is \"yes\" for all
> > > > questions\n" ...
> > > 
> > > Wouldn't it be better to have a specific option for this specific case,
> > > rather than a general yes-to-everything option?
> > 
> > this is the standard that the various mtd tools (including a bunch of UBI
> > ones) follow
> > 
> > > The latter makes sense
> > > with programs such as fsck where the only prompt basically is 'I found
> > > a fault, shall I fix it?', but in this is case it can be difficult to
> > > predict the outcome should the option start to cover more potential
> > > questions in the future.
> > 
> > if you want to compare to standard tools, then the check would be dropped
> > entirely.  when i run `mke2fs /dev/sda1`, it doesn't prompt me.
> 
> I admit I was not careful enough with the options. Feel free to change
> the tools in the more direction of being more consistent with mainstream
> filesystems' tools.

i don't mind having it prompting first as long as there is a flag to override 
it.  i'd say let's take a survey of the community, but i think we both know 
that's doomed to go nowhere :).
-mike
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