From 8e35dc5e71c2606f957093e7a75cc0c9f55513b8 Mon Sep 17 00:00:00 2001
From: Eshan Roy <m.eshanized@gmail.com>
Date: Sat, 14 Dec 2024 02:06:27 +0530
Subject: [PATCH] =?UTF-8?q?=F0=9F=A7=B9=20chore(=5Fupgrade):=20v2.0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 config.sh | 88 ++++++++++++++++++++++++++++++++++++++++++++++---------
 1 file changed, 74 insertions(+), 14 deletions(-)

diff --git a/config.sh b/config.sh
index eb4e6d9..61f9e33 100644
--- a/config.sh
+++ b/config.sh
@@ -1,21 +1,81 @@
 #!/bin/bash
 
-# Author        : ESHAN ROY
-# Author URI    : https://eshanized.github.io
+# Author: Eshan Roy <eshan@snigdhaos.org>
+# Author URI: https://eshanized.github.io
 
-# NOTE : Run at your own Risk!
+set -e
 
-# Prompt user for GitHub username
-read -p "Enter your GitHub username: " GITHUB_USERNAME
+# Function to display usage instructions
+usage() {
+    cat <<EOF
+Usage: ${0##*/} [--email <email>] [--username <username>] [-h]
 
-# Prompt user for GitHub email
-read -p "Enter your GitHub email: " GITHUB_EMAIL
+Options:
+   --email <email>            Set the GitHub user email.
+   --username <username>      Set the GitHub username.
+   -h, --help                 Display this help message.
 
-# Set the global Git configuration for username and email
-git config --global user.name "$GITHUB_USERNAME"
-git config --global user.email "$GITHUB_EMAIL"
+Description:
+   This script configures your GitHub user.email and user.name settings globally.
+   If no arguments are provided, it will prompt for input interactively.
 
-# Confirm the changes
-echo "GitHub username and email have been configured:"
-git config --global user.name
-git config --global user.email
+Examples:
+   ${0##*/} --email user@example.com --username "Eshan Roy"
+EOF
+    exit 1
+}
+
+# Parse command-line arguments
+while [[ "$#" -gt 0 ]]; do
+    case "$1" in
+        --email)
+            EMAIL="$2"
+            shift 2
+            ;;
+        --username)
+            USERNAME="$2"
+            shift 2
+            ;;
+        -h|--help)
+            usage
+            ;;
+        *)
+            echo "Unknown argument: $1"
+            usage
+            ;;
+    esac
+done
+
+# Prompt for email if not provided
+if [[ -z "${EMAIL:-}" ]]; then
+    read -p "Enter your GitHub Email: " EMAIL
+fi
+
+# Prompt for username if not provided
+if [[ -z "${USERNAME:-}" ]]; then
+    read -p "Enter your GitHub Username: " USERNAME
+fi
+
+# Validate email format
+if ! [[ "$EMAIL" =~ ^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$ ]]; then
+    echo "Error: Invalid email format: $EMAIL"
+    exit 1
+fi
+
+# Validate username (allowing alphanumerics, dashes, underscores, and dots)
+if ! [[ "$USERNAME" =~ ^[a-zA-Z0-9._-]+$ ]]; then
+    echo "Error: Invalid username format: $USERNAME"
+    exit 1
+fi
+
+# Configure GitHub global settings
+git config --global user.email "$EMAIL"
+git config --global user.name "$USERNAME"
+
+# Display success message
+echo -e "\033[1;32mGitHub configuration setup successful!\033[0m"
+echo "  User Email:    $EMAIL"
+echo "  Username:      $USERNAME"
+echo -e "\033[1;36mYou can verify this configuration using the following commands:\033[0m"
+echo "  git config --global user.email"
+echo "  git config --global user.name"
\ No newline at end of file