nixos-enter: Check whether --root denotes a NixOS installation

2018-02-07 17:23:05 +01:00 · 2018-02-07 17:23:05 +01:00 · bb030ece3b
commit bb030ece3b
parent f0979ca30e
1 changed files with 5 additions and 0 deletions
--- a/nixos/modules/installer/tools/nixos-enter.sh
+++ b/nixos/modules/installer/tools/nixos-enter.sh
@ -45,6 +45,11 @@ while [ "$#" -gt 0 ]; do
    esac
 done

+if [[ ! -e $mountPoint/etc/NIXOS ]]; then
+    echo "$0: '$mountPoint' is not a NixOS installation" >&2
+    exit 126
+fi
+
 mkdir -m 0755 -p "$mountPoint/dev"
 mount --rbind /dev "$mountPoint/dev"