mirror of
https://github.com/Snigdha-OS/snigdhaos-system-config.git
synced 2025-09-21 03:55:00 +02:00
83 lines
2.3 KiB
Bash
Executable File
83 lines
2.3 KiB
Bash
Executable File
#!/bin/bash
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# Reinstalling GRUB with online check and local fallback mechanism.
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echo
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echo "Reinstalling Grub..."
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echo
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# Define the working directory for storing temporary files (ensure it's set).
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workdir="${workdir:-/tmp}" # Default to /tmp if $workdir is not set.
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Online=0
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file_boolean=0
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# Function to check if the system has network connectivity
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check_connectivity() {
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local test_ip="8.8.8.8"
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local test_count=1
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echo "Checking network connectivity..."
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if ping -c "$test_count" "$test_ip" > /dev/null 2>&1; then
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echo "System is Online."
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Online=1
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else
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echo "System is Offline."
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Online=0
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fi
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}
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# Function to check if the required file exists locally
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check_file() {
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local file="/usr/local/share/snigdhaos/grub/grub"
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if [[ -f "$file" ]]; then
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echo "$file exists."
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file_boolean=1
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else
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echo "$file doesn't exist."
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file_boolean=0
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fi
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}
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# Check system connectivity and file existence
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check_connectivity
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check_file
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# Handle online situation: download the default grub config if online
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if [ "$Online" -eq 1 ]; then
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echo "Downloading Default Grub..."
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if ! sudo wget -q https://raw.githubusercontent.com/Snigdha-OS/snigdhaos-updater/master/grub -O "$workdir/etc/default/grub"; then
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echo "Failed to download the default grub file! Exiting."
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exit 1
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fi
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echo "Downloaded default grub file successfully."
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fi
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# Handle offline situation: use local grub file if available
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if [ "$Online" -eq 0 ] && [ "$file_boolean" -eq 1 ]; then
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echo "Using local Grub config..."
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if ! sudo cp /usr/local/share/snigdhaos/grub/grub /etc/default/grub; then
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echo "Failed to copy the local grub file! Exiting."
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exit 1
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fi
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echo "Local Grub config copied successfully."
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fi
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# Handle offline situation with missing local file: notify user
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if [ "$Online" -eq 0 ] && [ "$file_boolean" -eq 0 ]; then
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echo "No network connection and local grub file missing."
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echo "Please run this script once you are back online, or ensure the local grub file is available."
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exit 1
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fi
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# Regenerate the grub configuration
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echo "Regenerating Grub configuration..."
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if ! sudo grub-mkconfig -o /boot/grub/grub.cfg; then
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echo "Failed to regenerate Grub configuration! Exiting."
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exit 1
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fi
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echo
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echo "Grub reinstallation and configuration completed successfully!"
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echo
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