| 6 Jun 2024 |
erahhal | Now hitting:
ccache: error: Failed to create directory /var/cache/ccache/tmp: Not a directory
Seems relatively straightfoward to address. digging into it now
| 20:35:39 |
erahhal | Does the build happen in in a chroot jail or something? I created this folder and it's still complaining | 21:29:35 |
samueldr | Nix builds happen in the Nix sandbox | 21:33:40 |
samueldr | so poking holes through requires some additional configuration | 21:33:48 |
erahhal | Ah ok. seems like it would be best to create that directory in the sandbox rather than poking holes. i'll see if I can do that | 21:34:26 |
erahhal | I'll try adding a mkdir command right before running make | 21:35:06 |
erahhal | though | 21:35:15 |
erahhal | there is no point to ccache if it's disappearing after the build right? | 21:35:23 |
erahhal | How did this option work before? Seems that it must have had access to some persistent host folder | 21:36:35 |
erahhal | Disabled ccache and now 1200 files into the build, looking pretty good so far | 21:47:06 |
atemu12 | As Samuel said, ccache requires configuration of the daemon | 22:03:42 |
erahhal | oh, I didn't understand that, got it | 22:04:35 |
jaen | In reply to @erahhal:matrix.org How did this option work before? Seems that it must have had access to some persistent host folder It's extra-sandbox-paths IIRC, if you want to know what to google for. Incidentally, since we're on the topic of ccache — does it need anything else other than a directory (say, programs.ccache.enable = true or something)? | 22:04:37 |
atemu12 | Enabling it without persistence is counter-productive as ccache makes cache misses a little slower actually | 22:04:55 |
atemu12 | Just the dir | 22:05:24 |
erahhal | When I first tried robotnix a while back with a supported phone and OS version it worked with ccache enabled and no daemon settings | 22:05:36 |
atemu12 | Ccache manages that don its own | 22:05:41 |
atemu12 | Did you have a working sandbox back then? | 22:06:19 |
erahhal | I didn't even know about the sandbox until today :) | 22:06:39 |
erahhal | I'm still a relative novice with Nix | 22:06:57 |
erahhal | Perhaps something changed with the lineage build or with nix since then. It was a while ago | 22:07:25 |
erahhal | It was Lineage 18 on a OnePlus3, pretty old | 22:08:42 |
atemu12 | You really do want ccache to work though. It can speed things up by ~2x with some tweaks. | 22:11:35 |
atemu12 | https://github.com/Atemu/robot-config/blob/d6c4357332d626b287e6711d622bb485a4db33ee/common.nix#L16-L17 | 22:14:19 |
erahhal | let me try restarting. It looks like the build is working btw. | 22:15:29 |
erahhal | looking at the nix build flags and not seeing one that disables sandboxing for a particular path. | 22:21:02 |
atemu12 | erahhal: Under --option | 22:23:05 |
atemu12 | You should probably add this to your nixos config though | 22:23:46 |
atemu12 | Because it needs you to be a trusted user | 22:24:10 |
erahhal | Still confused. Looking at the nix.conf options, I don't see something that disables sandboxing for an individual path. Or are you saying to completely disable sandboxing? | 22:28:52 |