On Fri, Aug 03, 2007 at 06:24:52PM +0200, Pierre Habouzit <[EMAIL PROTECTED]> wrote: > On Fri, Aug 03, 2007 at 01:15:38PM +1000, Anthony Towns wrote: > > On Wed, Aug 01, 2007 at 10:13:38PM -0700, Steve Langasek wrote: > > > On Thu, Aug 02, 2007 at 06:54:49AM +0200, Mike Hommey wrote: > > > > diversions are far from being atomic. > > > True, but it is persistent across upgrades and doesn't require any > > > particular support from the package. > > > > Is it a bug (or a missing feature) that diversions aren't atomic? > > > > The --rename option to dpkg-divert means it can be done atomically if > > dpkg-divert is clever enough, at least in all the ways that count. > > what is not atomic is that dpkg-divert will rename /bin/sh as > /bin/sh.real or whatever, and then the postinst will recreate the > symlink. Between those operations, you live without /bin/sh. > > dpkg-divert could make that atomicaly if it had an option > --replace-with which would take the name of the file to divert _and_ the > file to replace it with. > > That way, the diversion can be made with always a /bin/sh, if > dpkg-divert does that: > > ln /bin/sh /bin/sh.distrib > mv /bin/dash.temporary /bin/sh > > having /bin/dash.temporary created before the call to dpkg-divert. > Sadly, afaict, there is no such option in dpkg-divert yet. > > Of course this would impose that all the arguments live in the same > directory (as they must be on the same device). > > OTOH I'm not sure it's worth the hassle.
Wasn't there a discussion a few weeks ago about having diversions be handled by dpkg directly, through a diversions file in the package control.tar.gz ? Or was it alternatives ? Mike -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
