Add sandbox warning in setup script

[perso/Immae/Config/Nix.git] / nixops / scripts / setup

diff --git a/nixops/scripts/setup b/nixops/scripts/setup
index 929b27a3b6db719114fb594b03e49a74b6cb9aaf..38cee65e91a4d758aef097c1b464aba8d9e9324f 100755 (executable)
--- a/nixops/scripts/setup
+++ b/nixops/scripts/setup
@@ -93,6 +93,19 @@ if [ ! -f /etc/ssh/ssh_rsa_key_nixops ]; then
   fi
 fi
 
+if nix show-config --json | jq -e '.sandbox.value == "true"' >/dev/null; then
+  cat <<-EOF
+       There are some impure derivations in the repo currently (grep __noChroot), please put
+         sandbox = "relaxed"
+       in /etc/nix/nix.conf
+       you may also want to add
+         keep-outputs = true
+         keep-derivations = true
+       to prevent garbage collector from deleting build dependencies (they take a lot of time to build)
+       EOF
+  exit 1
+fi
+
 if ! which nixops 2>/dev/null >/dev/null; then
   cat <<-EOF
        nixops is needed: