| 15 Oct 2024 |
 Paul Meyer (katexochen) | This is what we are trying to debug (from an uki/repart nixos image):
❯ diffoscope f*/initrd_0
--- f-btrfs/initrd_0
+++ f-ext/initrd_0
│┄ comprises of 1 embedded members
├── .cpio file embedded at offset 0
│ ├── file list
│ │ @@ -981,15 +981,15 @@
│ │ -r--r--r-- 0 0 0 2274 1970-01-01 00:00:01.000000 ./nix/store/frngrlq2xa2szv4bx91jkymv0dy9akmx-kbd-2.6.4/share/keymaps/sun/sunt5-uk.map.gz
│ │ -r--r--r-- 0 0 0 4926 1970-01-01 00:00:01.000000 ./nix/store/frngrlq2xa2szv4bx91jkymv0dy9akmx-kbd-2.6.4/share/keymaps/sun/sunt5-us-cz.map.gz
│ │ -r--r--r-- 0 0 0 1706 1970-01-01 00:00:01.000000 ./nix/store/frngrlq2xa2szv4bx91jkymv0dy9akmx-kbd-2.6.4/share/keymaps/sun/sunt6-uk.map.gz
│ │ drwxr-xr-x 0 0 0 0 1970-01-01 00:00:01.000000 ./nix/store/fvsswlqh6pc2f5x9qvahm4qbjgjlp86j-linux-pam-1.6.1/
│ │ drwxr-xr-x 0 0 0 0 1970-01-01 00:00:01.000000 ./nix/store/fvsswlqh6pc2f5x9qvahm4qbjgjlp86j-linux-pam-1.6.1/lib/
│ │ lrwxrwxrwx 0 0 0 16 1970-01-01 00:00:01.000000 ./nix/store/fvsswlqh6pc2f5x9qvahm4qbjgjlp86j-linux-pam-1.6.1/lib/libpam.so.0 -> libpam.so.0.85.1
│ │ -rwxrwxrwx 0 0 0 67608 1970-01-01 00:00:01.000000 ./nix/store/fvsswlqh6pc2f5x9qvahm4qbjgjlp86j-linux-pam-1.6.1/lib/libpam.so.0.85.1
│ │ --rw-r--r-- 0 0 0 0 1970-01-01 00:00:01.000000 ./nix/store/gq7vys7yw9gsrrk5jzp4qx1glc15hwlp-initrd-kmod-blacklist-ubuntu
│ │ +-r--r--r-- 0 0 0 0 1970-01-01 00:00:01.000000 ./nix/store/gq7vys7yw9gsrrk5jzp4qx1glc15hwlp-initrd-kmod-blacklist-ubuntu
| 08:02:31 |
 atemu12 | I see | 08:11:22 |
| atemu12 | What's that last line about btw? +-r--r--r-- | 08:11:40 |
| atemu12 | Is it actually RW in the image? | 08:11:51 |
| Paul Meyer (katexochen) | Last two lines are the diff between the two images (looks a bit confusing without color)
| 08:20:16 |
| atemu12 | Ahh that makes sense | 08:21:22 |
| atemu12 | The path is writeable on the build system though, right? | 08:21:37 |
| Paul Meyer (katexochen) | Yes, I'm pretty sure it was writable on my local system. But I cleaned up that path and couldn't find a way to reproduce that yet. | 08:29:42 |
| atemu12 | As mentioned before, there have been cases reported before where some system daemons remount /nix/store. I don't have the issue handy but I'm sure you can find it. Make sure you're not running any of those. | 08:32:52 |
| 16 Oct 2024 |
|  h7x4 joined the room. | 11:31:34 |
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| 19 Oct 2024 |
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| 21 Oct 2024 |
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 emily | do we make __DATE__ reproducible OOTB? | 19:33:31 |
| 22 Oct 2024 |
 Pol | It is by default | 09:07:09 |
| Pol | * It is by default (IIRC) | 09:07:22 |
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| 23 Oct 2024 |
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| 24 Oct 2024 |
|  jopejoe1 (4094@39c3) set a profile picture. | 07:35:08 |
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| 25 Oct 2024 |
|  gluonix joined the room. | 05:23:17 |
| gluonix | Hi, trying to understand why building a flake in a docker container yields a different binary than when building with nix on host machine. | 05:24:33 |
| gluonix | https://discourse.nixos.org/t/building-flake-inside-docker-differs-from-outside/54899/3 | 05:37:02 |
|  @aniketd:matrix.org left the room. | 06:21:41 |
| 26 Oct 2024 |
| gluonix | What variable controls the build directory when using nix build? | 00:01:57 |
 artturin | In reply to @switch3flip:matrix.org
What variable controls the build directory when using nix build? https://nix.dev/manual/nix/2.24/language/derivations.html#builder-execution | 00:42:05 |
| artturin | And source is unpacked to sourceRoot and then cd to it for the rest of the build https://github.com/NixOS/nixpkgs/blob/54830391487253422f0ccab55fc557b2e725ace0/pkgs/stdenv/generic/setup.sh#L1712 | 00:42:37 |
| artturin | * And src is unpacked to sourceRoot and then cd to it for the rest of the build https://github.com/NixOS/nixpkgs/blob/54830391487253422f0ccab55fc557b2e725ace0/pkgs/stdenv/generic/setup.sh#L1712 | 00:42:46 |
| gluonix | thanks | 00:43:07 |
| gluonix | I am trying to figure out how to obtain the same bit-for-bit builds inside a docker container, compared to outside, just with nix build | 00:43:55 |
