install-runtime.sh: provision a platform identity for new prefixes

When install-runtime.sh creates the prefix (first-time setup, regular or
Nix), it now runs configure-darling-platform.py --provision --write once
the runtime is stopped, so each new install gets its own synthetic serial,
MLB, UUID and ROM. A prefix counts as new the same way Darling decides it:
the directory did not exist before the first `darling shell`. Existing
prefixes keep their identity on reinstall and update.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
This commit is contained in:
lucannez64andClaude Opus 5.5 committed 2026-10-19 00:22:07 +02:00
1 parent fd8732d4bc
commit c068e32152
2 files changed
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@@ -16,6 +16,9 @@ if [ -d build/venv/bin ]; then PATH="$repo/build/venv/bin:$PATH"; export PATH; f
# A server killed by the base install leaves a stale .init.pid that makes darling shell fail.
python3 build/runtime/tools/ensure-darling-runtime.py
# Initialize the normal user-owned prefix before installing overrides.
# Darling treats a missing prefix directory as new; only then is an identity generated below.
new_prefix=
[ -e "$prefix_dir" ] || new_prefix=1
darling shell /usr/bin/true
# The prefix has no /private/tmp of its own, so the guest falls through to the root-owned
# installed layer and every write there (the Riot installer's temp files) fails with EACCES.
@@ -26,6 +29,12 @@ chmod 1777 "$prefix/private/tmp"
python3 build/runtime/tools/ensure-darling-root-certificates.py || \
echo 'Darling system root store not installed; the launcher retries it' >&2
python3 build/runtime/tools/stop-darling-runtime.py
# Give a new prefix its own synthetic serial, MLB, UUID and ROM instead of the host-derived defaults.
# Existing prefixes keep their identity; update.sh only replaces the old shared serial and UUID.
if [ -n "$new_prefix" ]; then
python3 tools/configure-darling-platform.py --prefix "$prefix_dir" --provision --write || \
echo 'Platform identity not provisioned; run tools/configure-darling-platform.py --provision --write' >&2
fi
sh build/runtime/tools/install-riot-presentation-runtime.sh
sh build/runtime/tools/install-riot-gpu-runtime.sh
# darling-lol perf: build and install optimized libc/libc++/libplatform.