policy

#!/bin/bash -e
# shellcheck disable=SC3045,SC3003,SC3060

mv .gitmodules .gitmodules.bak

# Parse and sort .gitmodules by name within each section
git config --file .gitmodules.bak --name-only --list | LC_ALL=C sort |
    xargs -I{} sh -c "git config --file .gitmodules \"{}\" \"\$(git config --file .gitmodules.bak --get '{}')\""

# Ensure each entry is actually a submodule
git config --file .gitmodules --null --get-regexp 'path$' | while IFS=$'\n' read -d $'\0' -r path_key path_value; do
    # Extract the submodule name from the key of the path
    name="${path_value/#submodule\./}"
    name="${name/%\.path/}"

    # Get the url key
    url_key=${path_key/%.path/.url}

    # Verify if the submodule path exists
    if [ ! -d "$path_value" ]; then
        # Extract the URL for this submodule
        url=$(git config --file .gitmodules --get "$url_key")

        # Add the submodule using the extracted URL and path
        echo "Adding missing submodule: $name"
        git submodule add --force "$url" "$path_value"
    fi
done

rm -f .gitmodules.bak