From 8935bc9a6b72dd09263faf77778cd64d7a195b91 Mon Sep 17 00:00:00 2001
From: Alejandro Villar <avillar@ogc.org>
Date: Thu, 27 Jul 2023 15:41:37 +0200
Subject: [PATCH] Update submodules periodically

---
 .github/workflows/update_submodules.yml | 32 +++++++++++++++++++++++++
 .gitmodules                             |  1 +
 2 files changed, 33 insertions(+)
 create mode 100644 .github/workflows/update_submodules.yml

diff --git a/.github/workflows/update_submodules.yml b/.github/workflows/update_submodules.yml
new file mode 100644
index 00000000..c089ffff
--- /dev/null
+++ b/.github/workflows/update_submodules.yml
@@ -0,0 +1,32 @@
+name: 'Submodules sync'
+
+on:
+  workflow_dispatch:
+  schedule:
+    # Run once per day
+    - cron: '0 3 * * *'
+
+jobs:
+  sync:
+    name: 'Submodules sync'
+    runs-on: ubuntu-latest
+
+    defaults:
+      run:
+        shell: bash
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+      with:
+        submodules: recursive
+
+    - name: Git submodule Update
+      run: |
+        git pull --recurse-submodules
+        git submodule update --remote --recursive
+
+    - name: Add and commit
+      uses: EndBug/add-and-commit@v9
+      with:
+        message: Submodules sync
diff --git a/.gitmodules b/.gitmodules
index e2759bb5..7cdc6ca6 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,4 @@
 [submodule "sdw-sosa-ssn"]
 	path = sdw-sosa-ssn
 	url = https://github.com/w3c/sdw-sosa-ssn
+    branch = main