89 lines
2.1 KiB
Bash
89 lines
2.1 KiB
Bash
#!/usr/bin/env bash
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set -euo pipefail
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export NIX_CONFIG="${NIX_CONFIG:-}
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experimental-features = nix-command flakes
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accept-flake-config = false
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warn-dirty = false
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"
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ensure_nix_profile() {
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if [ -f /nix/var/nix/profiles/default/etc/profile.d/nix-daemon.sh ]; then
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. /nix/var/nix/profiles/default/etc/profile.d/nix-daemon.sh
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elif [ -f "$HOME/.nix-profile/etc/profile.d/nix.sh" ]; then
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. "$HOME/.nix-profile/etc/profile.d/nix.sh"
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fi
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}
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install_nix_if_missing() {
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if command -v nix >/dev/null 2>&1; then
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return
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fi
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echo "Nix not found. Installing Nix..."
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if [ "$(id -u)" -eq 0 ]; then
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echo "Running as root; preparing nixbld users for container/Codex environment..."
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if ! getent group nixbld >/dev/null; then
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groupadd -r nixbld
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fi
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for i in $(seq 1 10); do
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if ! id "nixbld$i" >/dev/null 2>&1; then
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useradd \
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-r \
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-g nixbld \
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-G nixbld \
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-d /var/empty \
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-s /usr/sbin/nologin \
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"nixbld$i" || true
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fi
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done
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mkdir -p /etc/nix
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cat > /etc/nix/nix.conf <<'EOF'
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experimental-features = nix-command flakes
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accept-flake-config = false
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warn-dirty = false
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build-users-group = nixbld
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EOF
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sh <(curl -L https://nixos.org/nix/install) --no-daemon
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else
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sh <(curl -L https://nixos.org/nix/install) --no-daemon
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fi
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ensure_nix_profile
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}
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install_nix_if_missing
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ensure_nix_profile
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mkdir -p "$HOME/.config/nix"
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cat > "$HOME/.config/nix/nix.conf" <<'EOF'
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experimental-features = nix-command flakes
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accept-flake-config = false
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warn-dirty = false
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EOF
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echo "Nix version:"
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nix --version
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echo "Installing jq if unavailable..."
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if ! command -v jq >/dev/null 2>&1; then
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nix profile install nixpkgs#jq
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fi
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echo "Available NixOS hosts:"
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hosts="$(nix eval --json --no-accept-flake-config .#nixosConfigurations --apply builtins.attrNames | jq -r '.[]')"
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echo "$hosts"
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echo "Evaluating all host toplevel derivations..."
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for host in $hosts; do
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echo "==> Evaluating $host"
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nix eval --raw --no-accept-flake-config ".#nixosConfigurations.${host}.config.system.build.toplevel.drvPath"
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done
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echo "Codex setup complete."
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