On Thu, 2023-09-28 at 18:43 +0200, Alexander Kanavin wrote: > On Fri, 22 Sept 2023 at 12:42, Richard Purdie > <richard.pur...@linuxfoundation.org> wrote: > > > Things which used to be problematic: > > > > a) changes involving changes to gcc-source since it uses a shared > > sources stamps which confused the tools (at least used to). That may > > have been before gcc-source became a recipe? > > b) changes to a very common component (e.g. autoconf-native's > > do_configure) which make it hard to understand where the root cause of > > the changes came from > > c) changes which affect many recipes at once, e.g. the do_configure > > function in base.bbclass > > > > It might be helpful to write test cases for the scenario you showed as > > working above and some of the ones I mention above, then we can > > document they work and have an easier way to add tests for issues > > if/as/when we identify the problematic scenarios in future. > > I've now written down the tests for these three scenarios and got them > to pass (in oe-selftest too \0/): > https://git.yoctoproject.org/poky-contrib/commit/?h=akanavin/sstate-for-all > (check the commit message too) > > I am going to look closer at bitbake-whatchanged, what it aims to do > and why it doesn't work. I have a hunch it can produce useful high > level reports, and so shouldn't be simply thrown away. 'bitbake -S > printdiff' is too techy and verbose for some use cases. Maybe we can > fold that functionality into 'bitbake -S whatchanged'.
I've wondered if we should split bitbake -S printdiff into a separate utility? It exists from a time before we had bitbake command APIs. I'm curious to see what you find with analysis of bitbake-whatchanged. I'm also somewhat surprised the scenarios you're testing all work! I'm guess one of the commits I pointed to must have fixed them (the removal of paths from the sig files)? Cheers, Richard
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