fix: handle flake check user in darwin env

Author: samrose

nix/checks.nix

@@ -171,9 +171,29 @@
  #First we need to create a generic pg cluster for pgtap tests and run those
  export GRN_PLUGINS_DIR=${pkgs.supabase-groonga}/lib/groonga/plugins
  PGTAP_CLUSTER=$(mktemp -d)
+ # Set USER environment variable to handle root user restriction on macOS
+ # This is a common pattern in Nix builds to handle user-related issues
+ export USER="$(whoami)"
+ if [[ "$(uname)" == "Darwin" ]]; then
+ # On macOS, ensure we're not running as root for initdb
+ if [[ "$USER" == "root" ]]; then
+ export USER="nobody"
+ fi
+ fi
 
- # Use --allow-group-access to allow initdb to run as root (needed on macOS)
- initdb --locale=C --username=supabase_admin --allow-group-access -D "$PGTAP_CLUSTER"
+ # Initialize database with proper flags based on version
+ if [ "${majorVersion}" = "orioledb-17" ]; then
+ initdb -D "$PGTAP_CLUSTER" \
+ --allow-group-access \
+ --username=supabase_admin \
+ --locale-provider=icu \
+ --encoding=UTF-8 \
+ --icu-locale=en_US.UTF-8
+ else
+ initdb -D "$PGTAP_CLUSTER" \
+ --allow-group-access \
+ --username=supabase_admin
+ fi
  substitute ${./tests/postgresql.conf.in} "$PGTAP_CLUSTER"/postgresql.conf \
  --subst-var-by PGSODIUM_GETKEY_SCRIPT "${getkey-script}/bin/pgsodium-getkey"
  echo "listen_addresses = '*'" >> "$PGTAP_CLUSTER"/postgresql.conf