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nix-config/.gitea/scripts/build-and-cache.sh
Zuckerberg 9df8390f1f
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Add daily auto-update workflow with shared build script
2026-02-21 23:29:41 -08:00

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#!/usr/bin/env bash
set -euo pipefail
# Configure Attic cache
attic login local "$ATTIC_ENDPOINT" "$ATTIC_TOKEN"
attic use local:nixos
# Check flake
nix flake check --all-systems --print-build-logs --log-format raw --show-trace
# Build all systems
nix eval .#nixosConfigurations --apply 'cs: builtins.attrNames cs' --json \
| jq -r '.[]' \
| xargs -I{} nix build ".#nixosConfigurations.{}.config.system.build.toplevel" \
--no-link --print-build-logs --log-format raw
# Push to cache (only locally-built paths >= 0.5MB)
toplevels=$(nix eval .#nixosConfigurations \
--apply 'cs: map (n: "${cs.${n}.config.system.build.toplevel}") (builtins.attrNames cs)' \
--json | jq -r '.[]')
echo "Found $(echo "$toplevels" | wc -l) system toplevels"
paths=$(echo "$toplevels" \
| xargs nix path-info -r --json \
| jq -r '[to_entries[] | select(
(.value.signatures | all(startswith("cache.nixos.org") | not))
and .value.narSize >= 524288
) | .key] | unique[]')
echo "Pushing $(echo "$paths" | wc -l) unique paths to cache"
echo "$paths" | xargs attic push local:nixos