diff --git a/.tangled/workflows/sync.yml b/.tangled/workflows/sync.yml
new file mode 100644
index 0000000..4bee5c1
--- /dev/null
+++ b/.tangled/workflows/sync.yml
@@ -0,0 +1,18 @@
+when:
+  - event: ["push"]
+    branch: ["next"]
+
+engine: nixery
+
+dependencies:
+  nixpkgs:
+    - git
+
+environment:
+  GIT_TERMINAL_PROMPT: "0"
+
+steps:
+  - name: run tests
+    command: |
+      git remote add codeberg "https://${CODEBERG_PAT}@codeberg.org/zenfyr/xpost.git"
+      git push --mirror codeberg