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package apt
import (
"fmt"
"os"
"os/exec"
"os/user"
)
// CheckPermissions verifies that we can run apt (either as root or with sudo)
func CheckPermissions() error {
// Check if apt is available
if _, err := exec.LookPath("apt"); err != nil {
return fmt.Errorf("apt not found - this tool requires apt package manager")
}
// Check if running as root
currentUser, err := user.Current()
if err != nil {
return fmt.Errorf("could not determine current user: %w", err)
}
if currentUser.Uid == "0" {
// Running as root, we're good
return nil
}
// Not root, check if sudo is available
if _, err := exec.LookPath("sudo"); err != nil {
return fmt.Errorf("not running as root and sudo not available - please run with sudo or as root")
}
return nil
}
// InstallDeb installs a .deb package using apt
func InstallDeb(debFile string) error {
// Verify the file exists
if _, err := os.Stat(debFile); os.IsNotExist(err) {
return fmt.Errorf("deb file does not exist: %s", debFile)
}
// Check if we're running as root
currentUser, err := user.Current()
if err != nil {
return fmt.Errorf("could not determine current user: %w", err)
}
var cmd *exec.Cmd
if currentUser.Uid == "0" {
// Running as root
cmd = exec.Command("apt", "install", "-y", debFile)
} else {
// Use sudo
cmd = exec.Command("sudo", "apt", "install", "-y", debFile)
}
// Set up command to stream output to user
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
cmd.Stdin = os.Stdin // Allow user interaction if needed (like password prompt)
// Run the command
if err := cmd.Run(); err != nil {
if exitError, ok := err.(*exec.ExitError); ok {
return fmt.Errorf("apt install failed with exit code %d", exitError.ExitCode())
}
return fmt.Errorf("failed to run apt install: %w", err)
}
return nil
}
// UpdatePackageList updates the apt package list
func UpdatePackageList() error {
currentUser, err := user.Current()
if err != nil {
return fmt.Errorf("could not determine current user: %w", err)
}
var cmd *exec.Cmd
if currentUser.Uid == "0" {
cmd = exec.Command("apt", "update")
} else {
cmd = exec.Command("sudo", "apt", "update")
}
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
return cmd.Run()
}
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