From 81858b179b577e22501e3087f86dff807ed1ab00 Mon Sep 17 00:00:00 2001
From: Alexander Grund <alexander.grund@tu-dresden.de>
Date: Mon, 1 Dec 2025 16:17:05 +0100
Subject: [PATCH 1/2] Add script to gather git submodules

Running this on a recursively cloned git repository will show all
submodules, its path and commit hash formatted as a Python dict which
can be used in easyconfigs.
---
 easybuild/scripts/get-submodule-info.sh | 33 +++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100755 easybuild/scripts/get-submodule-info.sh

diff --git a/easybuild/scripts/get-submodule-info.sh b/easybuild/scripts/get-submodule-info.sh
new file mode 100755
index 0000000000..baa545e8df
--- /dev/null
+++ b/easybuild/scripts/get-submodule-info.sh
@@ -0,0 +1,33 @@
+#!/bin/bash
+
+echo "Print information on all submodules for the git repository in $PWD"
+echo
+echo "Format: '<name>': ('<owner>/<name>', '<commit>', '<path>'),"
+echo
+
+function print_submodules {
+    local base_path=$1
+    git -C "$base_path" submodule status | while read -r line; do
+        # Example line: " 3a6b7dc libs/foo (heads/main)"
+        commit=$(echo "$line" | awk '{print $1}')
+        path=$(echo "$line" | awk '{print $2}')
+
+        if [[ -z $base_path ]]; then
+            sub_folder=$path
+        else
+            sub_folder=$base_path/$path
+        fi
+
+        # Extract owner/repo from URL
+        url=$(git config --file "${base_path:-$PWD}/.gitmodules" --get "submodule.$path.url")
+        repo_slug=$(echo "$url" | sed -E 's#.*[:/]([^/:]+/[^/.]+)(\.git)?$#\1#')
+
+        name=$(basename "$path")
+        short_commit=$(git -C "$sub_folder" rev-parse --short "$commit" 2>/dev/null || echo "$commit")
+
+        printf "'%s': ('%s', '%s', '%s'),\n" "$name" "$repo_slug" "$short_commit" "$sub_folder"
+        print_submodules "$sub_folder"
+    done
+}
+
+print_submodules "" | sort

From a39c5429e72c6f9bcbacb12b958945fa87685deb Mon Sep 17 00:00:00 2001
From: Alexander Grund <alexander.grund@tu-dresden.de>
Date: Wed, 3 Dec 2025 09:48:19 +0100
Subject: [PATCH 2/2] Add license and author

---
 easybuild/scripts/get-submodule-info.sh | 33 +++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/easybuild/scripts/get-submodule-info.sh b/easybuild/scripts/get-submodule-info.sh
index baa545e8df..f7a823e3c6 100755
--- a/easybuild/scripts/get-submodule-info.sh
+++ b/easybuild/scripts/get-submodule-info.sh
@@ -1,4 +1,37 @@
 #!/bin/bash
+##
+# Copyright 2025-2025 Ghent University
+#
+# This file is part of EasyBuild,
+# originally created by the HPC team of Ghent University (http://ugent.be/hpc/en),
+# with support of Ghent University (http://ugent.be/hpc),
+# the Flemish Supercomputer Centre (VSC) (https://www.vscentrum.be),
+# Flemish Research Foundation (FWO) (http://www.fwo.be/en)
+# and the Department of Economy, Science and Innovation (EWI) (http://www.ewi-vlaanderen.be/en).
+#
+# https://github.com/easybuilders/easybuild
+#
+# EasyBuild is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation v2.
+#
+# EasyBuild is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with EasyBuild.  If not, see <http://www.gnu.org/licenses/>.
+##
+"""
+Utility to gather submodules of an existing, recursively cloned repository
+in the current working directory.
+
+The output is a dictionary mapping submodule names to their repository slug, commit hash and relative path.
+
+author: Alexander Grund (TU Dresden)
+"""
+
 
 echo "Print information on all submodules for the git repository in $PWD"
 echo