Re: yum erase the best way to do reverse dependency checking?

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On Mon, 2011-02-21 at 09:29 -0600, Robert Nichols wrote:
> On 02/21/2011 08:37 AM, Patrick O'Callaghan wrote:
> > On Mon, 2011-02-21 at 08:15 -0600, Richard Shaw wrote:
> >> On Sun, Feb 20, 2011 at 1:31 PM, Robert Nichols
> >> <[email protected]>  wrote:
> >>> On 02/20/2011 12:04 PM, Richard Shaw wrote:
> >>>> I was googling for a way to figure out a dependency chain for a
> >>>> package I'm trying to flush out a spec file for and build. There
> >>>> doesn't seem to be a non-destructive equivalent to "yum erase
> >>>> <package>" to see if I need to explicitly include a package/program.
> >>>>
> >>>> Anyone have a solution they like?
> >>>
> >>> Unless you use "-y" on the command line or have "assumeyes" in your
> >>> yum.conf file, yum is going to prompt for confirmation before actually
> >>> removing anything.
> >>
> >> Obviously. I was just trying to find a method that's failsafe. One
> >> could argue that it's very easy to accidentally add -y or press y at
> >> the prompt because that's what you're used to doing.
> >
> > echo N|yum erase foo
> >
> > Not elegant but it works.
> 
> Even if someone has "assumeyes" in the yum.conf file?  Pardon me, but
> I'm reluctant to test that.

No need to test it, as it clearly wouldn't work, but the OP was worried
about accidentally hitting 'y' so I'm assuming he doesn't have
'assumeyes' set.

poc

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