On Mon, 19 Feb 2018 15:29:52 +0100, Branko Grubic wrote: > On Mon, 19 Feb 2018 12:55:08 +0000 (UTC) > Holger Hoffstätte <[email protected]> wrote: > >> Hey, >> >> I'm not exactly new to portage, but one thing that I cannot seem to >> figure out is how to rebuild all dependants of a package. Not >> *dependencies*, dependants: packages that require said package. >> >> As a recent example: whenever go (the language) is updated to a new >> version (say from 1.9 to 1.10, as it happended recently), I'd like to >> rebuild docker & friends - or more specifically 'things that are >> compiled with go'. >> >> The --changed-deps option doesn't seem to do the trick, so instead I >> manually do a -vp --depclean on go and manually --oneshot all >> installed packages that have their hands on it. This is obviously >> stupid and error-prone. >> >> Am I missing something or is this really not easily possible? >> Basically I'm looking for a hard --oneshot --revdep-rebuild with a >> package argument. >> >> thanks, >> Holger >> >> > > I never needed this, so I don't know how to do it directly with emerge > (is it possible?), but you can use equery like this to get a list: > > equery -q d dev-lang/go > > -q/--quiet (minimal output) > (d)epends (list all packages directly depending on ATOM) > > to get a list of packages installed which depend on dev-lang/go > you can filter versions out of it and feed that to 'emerge -av1'. > > Or if you trust this ugly one-liner without filtering (probably ugliest > thing, but seems to do the job): > > emerge -av1 $(for i in $(equery -q d sys-apps/util-linux); do echo > "=$i"; done)
That was useful and saved me the time to sed & grep my way through the equery output. Turning this into a generic script is easy enough. Thank you very much! cheers Holger
