Adding a POC for basic OCI images

poc-oci/check.sh

@@ -0,0 +1,14 @@
+#!/bin/sh
+
+set -e
+
+nix build -f default.nix
+ls -l
+
+sh result > oci
+IMGID=$(podman load < oci 2>&1 | tail -1 | awk '{ print $3 }')
+rm -f oci result
+
+echo
+echo ${IMGID}
+echo "dive podman://${IMGID}"

poc-oci/default.nix

@@ -0,0 +1,17 @@
+{
+    pkgs ? import <nixpkgs> {},
+}:
+let
+    manifests = pkgs.writeText "bla" ''
+        here be dragons
+    '';
+in
+    pkgs.dockerTools.streamLayeredImage {
+        name = "blah";
+        includeStorePaths = false;
+        fakeRootCommands = ''
+            cp -Lr ${manifests} my-text-file
+            cat my-text-file
+            rm -fr nix
+        '';
+    }