| 10 Jun 2024 |
 jaen | Yeah, that doesn't work either because you don't already own the file and you're not a real superuser in the namespace (at least that's how I understand the failure mode). I tried a few other options (and also unearthed that robotnix actually used bindfs between 2019 and 2020 for exactly this) but so far nothing really seemed to work well. I've added some more details of my experiments to https://github.com/nix-community/robotnix/issues/240. I'll probably try and see if you can make idmappings externally to the namespace work, but if it doesn't then I'm out of ideas. | 18:09:35 |
| 11 Jun 2024 |
 magic_rb | horrible idea, please dont shoot me :), but couldnt you run that step in a kvm vm? *ducks* | 18:25:28 |
 atemu12 | You could but that'd probably be even slower than bindfs | 19:40:12 |
| atemu12 | As everything would need to go through 9p | 19:40:26 |
| atemu12 | Linus Heckemann brought a patch upstream to make it a lot faster for mounting Nix stores purposes but it's still not fast | 19:40:58 |
| magic_rb | im not at all knowledgeable in the details, but my idea was that if most of the build can be done outside the VM and just a small bit needs to be done inside, then it should be good, but yeah itll probably be much slower | 20:12:17 |
| atemu12 | That doesn't work; the whole build process is a single drv. | 20:14:55 |
| atemu12 | Besides, this is an optimisation; we can patch the build system without any crazy mount setups fooling the build system | 20:15:28 |
| jaen | Also, we could just patch cp — https://github.com/nix-community/robotnix/pull/203/files#diff-f4eb7f67d1474c710f28e1fb28333066e0b8f2352ae4da6c05d151d34761fcb0R89-R97 xD | 20:26:23 |
| 12 Jun 2024 |
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 erahhal | Just wanted to mention that I didn't abandon that Lineage 21 branch. Just got swamped at work. | 20:34:22 |
| atemu12 | No pressure | 21:03:49 |
| 15 Jun 2024 |
| jaen | Ok, so I slowly started looking at updating GrapheneOS, cribbing liberally from https://github.com/nix-community/robotnix/pull/203. One thing I'm currently stuck at is trying to compile kernel — it seems it has broken with the nixpkgs update. It complains about missing __isoc23_strtoul symbol when linking compiled object files. That probably means, that for some reason the compiler sees headers that are newer than library binaries it tries to link against. But I'm not really sure how I should go about debugging how those values end up in the compilation env. Or alternatively, are there any good examples of using older glibc somewhere? | 18:58:07 |
| jaen | Also, on a more positive note, treefmt fixed the two issues I've discovered in my PR, so that should be ready for review/merge (after the Python fixes of course). | 19:41:09 |
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