33 lines
946 B
Bash
33 lines
946 B
Bash
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#!/usr/bin/env bash
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set -euo pipefail
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# Bind-mount /var/lib/nix-store to /nix.
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# If /var/lib/nix-store is empty, seed it from the baked store in /usr/share/nix-store.
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mkdir -p /usr/share/nix-store /var/lib/nix-store /nix
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copy_seed_store() {
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if command -v rsync >/dev/null 2>&1; then
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rsync -aH --delete /usr/share/nix-store/ /var/lib/nix-store/
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else
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cp -a /usr/share/nix-store/. /var/lib/nix-store/
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fi
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}
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if ! mountpoint -q /nix; then
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if [ -z "$(ls -A /var/lib/nix-store 2>/dev/null)" ] && compgen -G "/usr/share/nix-store/*" >/dev/null; then
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copy_seed_store
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fi
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mount --bind /var/lib/nix-store /nix
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mount -o remount,bind,exec /nix
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# Ensure daemon paths exist and labels are sane.
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if command -v systemd-tmpfiles >/dev/null 2>&1; then
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systemd-tmpfiles --create /usr/lib/tmpfiles.d/nix-daemon.conf
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fi
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if command -v restorecon >/dev/null 2>&1; then
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restorecon -RF /var/lib/nix-store /nix || true
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fi
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fi
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