fix: ignore unbound variables when sourcing .env in all backup/DR scripts

scripts/backup-to-nas.sh

@@ -25,7 +25,9 @@ PROJECT_ROOT="$(cd "${SCRIPT_DIR}/.." && pwd)"
 ENV_FILE="${PROJECT_ROOT}/.env"
 if [ -f "${ENV_FILE}" ]; then
     set -a
+    set +u
     source "${ENV_FILE}"
+    set -u
     set +a
 else
     echo "ERROR: .env introuvable : ${ENV_FILE}" >&2

scripts/disaster-recovery.sh

@@ -34,7 +34,9 @@ log_error() { echo -e "[DR ${TIMESTAMP}] ${RED}ERROR: $1${NC}"; }
 ENV_FILE="${PROJECT_ROOT}/.env"
 if [ -f "${ENV_FILE}" ]; then
     set -a
+    set +u
     source "${ENV_FILE}"
+    set -u
     set +a
 fi
 

scripts/npm-failover.sh

@@ -35,7 +35,9 @@ log_info()    { echo -e "[NPM-Failover ${TIMESTAMP}] ${BLUE}$1${NC}"; }
 ENV_FILE="${PROJECT_ROOT}/.env"
 if [ -f "${ENV_FILE}" ]; then
     set -a
+    set +u
     source "${ENV_FILE}"
+    set -u
     set +a
 fi
 

scripts/setup-nas.sh

@@ -49,7 +49,9 @@ fi
 ENV_FILE="${PROJECT_ROOT}/.env"
 if [ -f "${ENV_FILE}" ]; then
     set -a
+    set +u
     source "${ENV_FILE}"
+    set -u
     set +a
 fi
 

scripts/verify-backups.sh

@@ -38,7 +38,9 @@ log_error()   { echo -e "[Verify ${TIMESTAMP}] ${RED}❌ ERROR: $1${NC}"; }
 ENV_FILE="${PROJECT_ROOT}/.env"
 if [ -f "${ENV_FILE}" ]; then
     set -a
+    set +u
     source "${ENV_FILE}"
+    set -u
     set +a
 fi