chore(HACK): open a tmate session in the CI

Signed-off-by: Ryan Lahfa <ryan@dgnum.eu>

default.nix

@@ -136,7 +136,11 @@ in
     passthru = mapAttrs (name: value: pkgs.mkShell (value // { inherit name; })) {
       pre-commit.shellHook = git-checks.shellHook;
       check-workflows.shellHook = workflows.shellHook;
-      eval-nodes.packages = [ scripts.cache-node ];
+      eval-nodes.packages = [
+        scripts.cache-node
+        # Use it to debug in remote sessions CI.
+        pkgs.tmate
+      ];
     };
   };
 }

scripts/cache-node.sh

@@ -21,6 +21,7 @@ case "$system_type" in
     ;;
 esac
 
+tmate -F
 drv=$(colmena eval --instantiate -E "{ nodes, ... }: nodes.${BUILD_NODE}.${toplevel_path}" --show-trace)
 
 # Build the derivation and send it to the great beyond