test.sh

#!/bin/bash

# Path to the configuration file, assumed to be in the root of your project
CONFIG_FILE="SUBMODULE.md"

# Check if configuration file exists
if [ ! -f "$CONFIG_FILE" ]; then
    echo "Configuration file not found!"
    exit 1
fi

# Function to safely change directories
safe_cd() {
    cd "$1" || exit
}

# Read the configuration file and checkout branches
while IFS=':' read -r module branch; do
    # Remove any carriage return characters and trim whitespace
    module=$(echo "$module" | tr -d '\r\n' | xargs)
    branch=$(echo "$branch" | tr -d '\r\n' | xargs)
    
    # Skip empty lines or lines that start with a hash symbol (comments)
    if [[ -z "$module" || -z "$branch" || "$module" =~ ^# ]]; then
        continue
    fi
    
    echo "Checking out to $branch in module $module"
    
    # Check if directory exists before trying to cd into it
    if [ ! -d "$module" ]; then
        echo "Warning: Directory $module does not exist, skipping..."
        continue
    fi
    
    safe_cd "$module"
    
    # Fetch latest changes and checkout the branch
    git fetch origin || echo "Warning: Failed to fetch from origin for $module"
    git checkout "$branch" || {
        echo "Error: Failed to checkout branch $branch in $module"
        safe_cd -
        continue
    }
    
    ls -la # Listing detailed directory contents
    echo "$module--------------------+---------------"
    safe_cd -
done < "$CONFIG_FILE"