Uninstall Zsh + Oh My Zsh + Powerlevel10k theme (macOS & Linux)

uninstall-zsh.sh

#!/bin/bash
# Uninstall Zsh + Oh My Zsh + Powerlevel10k theme (macOS & Linux)

# To run this script:
# 1. Execute: sh -c "$(curl -fsSL "$(curl -s "https://api.github.com/gists/254e58bd87009963b3f58405d75cbe6c" | grep -o '"raw_url": *"[^"]*"' | cut -d'"' -f4)")"

# Colors
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
RED='\033[0;31m'
NC='\033[0m'

# Logging functions
log_info()    { echo -e "${GREEN}[INFO]${NC} $1"; }
log_warning() { echo -e "${YELLOW}[WARNING]${NC} $1"; }
log_error()   { echo -e "${RED}[ERROR]${NC} $1"; }

# Function to check if a command exists
command_exists() {
    command -v "$1" > /dev/null 2>&1
}

# Check OS compatibility
OS="$(uname -s)"
if [ "$OS" != "Darwin" ] && [ "$OS" != "Linux" ]; then
    log_error "This script is designed to run on macOS or Linux. Exiting."
    exit 1
fi

# Remove Powerlevel10k config
if [ -f "$HOME/.p10k.zsh" ]; then
    log_info "Removing Powerlevel10k configuration..."
    rm -f ~/.p10k.zsh
else
    log_info "Powerlevel10k configuration not found."
fi

# Remove Powerlevel10k theme
P10K_DIR="${ZSH_CUSTOM:-$HOME/.oh-my-zsh/custom}/themes/powerlevel10k"
if [ -d "$P10K_DIR" ]; then
    log_info "Removing Powerlevel10k theme..."
    rm -rf "$P10K_DIR"
else
    log_info "Powerlevel10k theme not found."
fi

# Run Oh My Zsh uninstaller if present
if [ -f "$HOME/.oh-my-zsh/tools/uninstall.sh" ]; then
    log_info "Removing Oh My Zsh..."
    sh ~/.oh-my-zsh/tools/uninstall.sh --unattended
else
    log_info "Oh My Zsh not found."
fi

# Switch back to bash if needed
CURRENT_SHELL="$(basename "$SHELL")"
if [ "$CURRENT_SHELL" != "bash" ]; then
    log_info "Switching default shell to bash..."
    if [ "$OS" = "Darwin" ]; then
        chsh -s /bin/bash
    else
        sudo usermod -s /bin/bash "$(whoami)"
    fi
else
    log_info "Bash is already the default shell."
fi

# Uninstall Zsh if installed
if command_exists zsh; then
    log_info "Uninstalling Zsh..."
    if [ "$OS" = "Darwin" ]; then
        brew uninstall zsh
    else
        sudo apt remove zsh -y
        sudo apt autoremove -y
    fi
else
    log_info "Zsh is not installed."
fi

# Clean up remaining zsh config files
if ls ~/.zsh* 1> /dev/null 2>&1; then
    log_info "Cleaning up remaining Zsh configuration files..."
    rm -rf ~/.zsh*
else
    log_info "No remaining Zsh configuration files found."
fi

echo ""
log_info "Uninstallation complete!"
log_info "To apply the shell change, run: ${GREEN}exec bash${NC}"

Thanks this was very useful

Uffff por fin, un resultado, mil gracias!

Thanks this was very useful

ditto

thank you so much......very very helpful

thanks .. saved so much of my time

Nice script!

Thank you, very useful.

Thank you so much!