install-multi-user: support 'set -u' runs, closes NixOS#2193

grahamc · May 30, 2018 · 6ba1726 · 6ba1726
1 parent d459d33
commit 6ba1726
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/scripts/install-multi-user.sh b/scripts/install-multi-user.sh
@@ -727,7 +727,7 @@ setup_default_profile() {
     _sudo "to installing a bootstrapping Nix in to the default Profile" \
           HOME="$ROOT_HOME" "$NIX_INSTALLED_NIX/bin/nix-env" -i "$NIX_INSTALLED_NIX"
 
-    if [ -z "$NIX_SSL_CERT_FILE" ] || ! [ -f "$NIX_SSL_CERT_FILE" ]; then
+    if [ -z "${NIX_SSL_CERT_FILE:-}" ] || ! [ -f "${NIX_SSL_CERT_FILE:-}" ]; then
         _sudo "to installing a bootstrapping SSL certificate just for Nix in to the default Profile" \
               HOME="$ROOT_HOME" "$NIX_INSTALLED_NIX/bin/nix-env" -i "$NIX_INSTALLED_CACERT"
         export NIX_SSL_CERT_FILE=/nix/var/nix/profiles/default/etc/ssl/certs/ca-bundle.crt