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Problem: Calling bild.run inside NixOS configs triggered IFD during
OS evaluation. ANSI escape codes from bild broke JSON parsing in Nix
sandbox, causing build failures.
Root cause: bild.run uses IFD (Import From Derivation) which runs
bild --plan during Nix evaluation. When this happened inside NixOS
service definitions, it ran recursively and bild output ANSI codes
that corrupted the JSON analysis output.
Solution: Two-phase architecture + NO_COLOR support
1. Biz/Packages.nix: Pre-builds all packages outside NixOS context
2. Biz.nix: Accepts packages as function argument (default:
Packages.nix) 3. Omni/Bild.nix: Sets NO_COLOR=1 in analysis
derivation 4. Omni/Log/Terminal.hs: Respects NO_COLOR env var
5. Omni/Log/Terminal.hs: Skip getTerminalSize when NO_COLOR set
to avoid
escape code output
6. Omni/Log/Concurrent.hs: Skip line initialization without ANSI
support
Now NixOS builds succeed: - Package IFD happens once at top level -
No recursive builds during service evaluation - Clean JSON output
from bild --plan in Nix sandbox - NixOS configs reference pre-analyzed
packages
Changes: - Add Biz/Packages.nix - standalone package builder - Update
Biz.nix to accept packages argument - Update Biz/Dragons/Analysis.nix
to use Packages.nix - Remove Biz/Targets.nix (replaced by
Packages.nix) - Add NO_COLOR support throughout logging stack -
Fix ANSI.getTerminalSize outputting escape codes when NO_COLOR set
Amp-Thread-ID:
https://ampcode.com/threads/T-bc0f6fc7-46bf-4aa2-892e-dd62e7251d4b
Co-authored-by: Amp <amp@ampcode.com>
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I was getting confused about what is a product and what is internal
infrastructure; I think it is good to keep those things separate. So I moved a
bunch of stuff to an Omni namespace, actually most stuff went there. Only things
that are explicitly external products are still in the Biz namespace.
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This also fixed a bug where every dependency would get pulled into the Haskell
target while searching for transitive dependencies.
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Rebuilt email server, started wireguard setup.
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Also correctly renamed the files (didn't work the first time thanks to
the macOS filesystem) and moved the default build.os settings to a
OsBase.nix file to be used via imports.
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