5.ConfigureGo.sh

#!/bin/sh

echo "======================================"
echo "  Step 1: Configuring Go Environment Variables"
echo "======================================"

# Define environment variables to export
ENV_VARS="
export GONOPROXY='github.com/goplugin'
export GONOSUMDB='github.com/goplugin'
export GO111MODULE='on'
export GOPRIVATE='github.com/goplugin'
export GOPROXY='direct'
export CGO_ENABLED='1'
"

# Step 1: Export variables for the current session (only if not already set)
echo "1. Exporting variables for the current session..."
echo "$ENV_VARS" | while IFS= read -r VAR; do
    # Extract the variable name and value
    VAR_NAME=$(echo "$VAR" | cut -d '=' -f 1)
    
    # Check if the variable is already set
    if [ -z "${!VAR_NAME}" ]; then
        eval "$VAR"
        if [ $? -eq 0 ]; then
            echo "✅ Exported: $VAR"
        else
            echo "❌ Failed to export: $VAR"
        fi
    else
        echo "⚠️ $VAR_NAME is already set to ${!VAR_NAME}. Skipping export."
    fi
done

# Step 2: Append variables to ~/.bashrc (if not already added)
echo "2. Appending variables to ~/.bashrc (if not already added)..."
APPENDED_COUNT=0
echo "$ENV_VARS" | while IFS= read -r VAR; do
    # Check if the variable is already in ~/.bashrc
    if ! grep -qxF "$VAR" ~/.bashrc; then
        echo "$VAR" >> ~/.bashrc
        echo "✅ Added to ~/.bashrc: $VAR"
        APPENDED_COUNT=$((APPENDED_COUNT + 1))
    else
        echo "⚠️ Already exists in ~/.bashrc: $VAR"
    fi
done

if [ "$APPENDED_COUNT" -gt 0 ]; then
    echo "✅ Variables successfully appended to ~/.bashrc."
else
    echo "⚠️ No new variables were appended; all already exist in ~/.bashrc."
fi

# Step 3: Source ~/.bashrc to apply changes in the current session
echo "3. Sourcing ~/.bashrc to apply changes..."
. ~/.bashrc
if [ $? -eq 0 ]; then
    echo "✅ Changes applied successfully."
else
    echo "❌ Failed to source ~/.bashrc. Please do it manually: source ~/.bashrc"
fi

echo "======================================"
echo "✅ Go Environment Variables Configured Successfully!"
echo "======================================"