Good news! l...@gnu.org (Ludovic Courtès) skribis:
> Tomáš Čech <sleep_wal...@suse.cz> skribis: > >> Grub configuration interpretes `linux' as directory where is located >> bzImage. If I enter file name instead, result configuration will be >> wrong. > > The solution will be to not automatically append “/bzImage” (and > likewise for the initrd.) > > We could change places where ‘menu-entry’ is instantiated to: > > #~(string-append #$kernel "/bzImage") > > However, there’s the problem that the image name appears in the > ‘parameters’ file of the system (as seen in the output of ‘guix system > build foo.scm’), where it is unevaluated. If we use ‘string-append’ as > above, a raw (string-append …) sexp will appear in there, which is not > nice. > > To address this, an idea is to add “expanders” for gexps: gexps already > have “compilers”, and expanders would be similar except that they would > produce something possibly different from just the derivation’s output > file name. For instance, we could write: > > (file-append kernel "/bzImage") > > and that would expand directly to: > > "/gnu/store/…/bzImage" AFAICS this is finally fixed! expanders in commit ebdfd776f4504c456d383ee8afa59fc6fdfc6756 ‘file-append’ in commit a9e5e92f940381e3a4ee828c6d8ff22a73067e17 kernel file name in commit 44d5f54e31039d78f156bd9562dca293124eaa76 Please let me know how it goes! In particular, does it work for the dual-boot scenario you were interested in? Thanks, Ludo’.