From 6f0834519ed97c3127f56028d67e9326e04846b7 Mon Sep 17 00:00:00 2001
From: Patrick MARIE <pm@mkz.me>
Date: Fri, 22 Mar 2024 15:51:40 +0100
Subject: [PATCH] Adding a POC for basic OCI images

---
 poc-oci/check.sh    | 14 ++++++++++++++
 poc-oci/default.nix | 17 +++++++++++++++++
 2 files changed, 31 insertions(+)
 create mode 100644 poc-oci/check.sh
 create mode 100644 poc-oci/default.nix

diff --git a/poc-oci/check.sh b/poc-oci/check.sh
new file mode 100644
index 0000000..fcd478b
--- /dev/null
+++ b/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}"
\ No newline at end of file
diff --git a/poc-oci/default.nix b/poc-oci/default.nix
new file mode 100644
index 0000000..d4cbc73
--- /dev/null
+++ b/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
+        '';
+    }