apt reinstall

gistfile1.txt

#!/bin/bash

# Function to recursively reinstall packages
reinstall_packages() {
    local package=$1
    local dependencies=$(apt-cache depends $package | grep "Depends:" | awk '{print $2}')
    
    for dep in $dependencies; do
        reinstall_packages $dep
    done

    echo "Reinstalling $package..."
    sudo apt-get install --reinstall -y $package
}

# Function to generate dependency graph
generate_dependency_graph() {
    local package=$1
    local dependencies=$(apt-cache depends $package | grep "Depends:" | awk '{print $2}')

    for dep in $dependencies; do
        echo "$package: $dep" >> dependency_graph.txt
        generate_dependency_graph $dep
    done
}

# Main function to initiate reinstallation
reinstall_from_graph() {
    local leaf_packages=()
    local package
    
    # Generate dependency graph
    generate_dependency_graph $1

    # Find leaf packages in the dependency graph
    for package in $(cut -d ':' -f 1 dependency_graph.txt); do
        if ! grep -q ".*:.*$package" dependency_graph.txt; then
            leaf_packages+=("$package")
        fi
    done

    # Loop through leaf packages and reinstall them along with dependencies
    for leaf_package in "${leaf_packages[@]}"; do
        reinstall_packages $leaf_package
    done
}

# Usage: ./reinstall_packages.sh package_name
reinstall_from_graph "$1"