On Tue, Sep 22, 2009 at 09:51:21AM +0000, Gerrit Pape wrote: > On Fri, Aug 07, 2009 at 08:49:22PM +0200, Sven Joachim wrote: > > [ Please keep CC'ing me, I'm not subscribed to the bug. ] > > On 2009-08-07 18:49 +0200, Luk Claes wrote: > > > dash's preinst guarantees that there is a diversion so that the unpack > > > always succeeds... > > > > Only the first part of this sentence is true. Indeed there will always > > be a diversion, but if a diversion had existed before that was _not_ > > created by the dash package, the preinst won't change it. > > > > Thus, both the bash and the dash versions of /usr/share/man/man1/sh.1.gz > > (and /bin/sh) would be diverted which raises the file conflict. > > Yes, the problem can be reproduced with a fresh lenny bootstrap, a > manual diversion of /bin/sh (not with --package dash, e.g. as suggested > by bash's README.Debian), and then upgrade dash to 0.5.5.1-3. > > I can also confirm that mksh no longer can provide /bin/sh at all if > dash and bash are installed. There can only be exactly one diversion > for /bin/sh, and as both packages, dash and bash, currently include > /bin/sh, the diversion must belong to either of them. > > I'm not sure what the best solution is. In dash's preinst we can make > sure not only that a diversion exist, but also that it belongs to the > dash package. This would require removing a possibly existing > diversion. > > If the bash package finds a modified /bin/sh symlink and no diversion, > its preinst outputs a message and prompts for RETURN, we could do > similar for the diversion in dash. That would fix the upgrade issue, > but doesn't help mksh. For multiple alternative packages providing > /bin/sh there should be a different solution than diversions, I don't > think they'll work out.
Hi, do you still work on the transition to make dash the default /bin/sh? I'm not sure I know all about the plan that was agreed upon. E.g., is there a plan to make bash not include the /bin/sh symlink in the package, but handle it in the postinst just as dash did previously? Regards, Gerrit. -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
