73 lines
1.8 KiB
Go
73 lines
1.8 KiB
Go
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package zoopb
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import (
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"bufio"
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"fmt"
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"os/exec"
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"strings"
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"go.wit.com/log"
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)
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// getPackageList returns the list of installed packages based on the distro
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func getPackageList(distro string) (map[string]string, error) {
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var cmd *exec.Cmd
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// Run the appropriate command based on the detected distribution
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switch distro {
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case "ubuntu", "debian":
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return dpkgQuery()
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case "fedora", "centos", "rhel":
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cmd = exec.Command("rpm", "-qa")
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case "arch", "manjaro":
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cmd = exec.Command("pacman", "-Q")
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default:
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return nil, fmt.Errorf("unsupported distribution: %s", distro)
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}
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// Capture the command's output
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output, err := cmd.CombinedOutput()
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if err != nil {
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return nil, fmt.Errorf("error running command: %v", err)
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}
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// todo: Split the output into lines and return
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lines := strings.Split(string(output), "\n")
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log.Info("output had", len(lines), "lines")
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return nil, nil
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}
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func dpkgQuery() (map[string]string, error) {
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// Run the dpkg-query command to list installed packages and versions
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cmd := exec.Command("dpkg-query", "-W", "-f=${Package} ${Version}\n")
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stdout, err := cmd.StdoutPipe()
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if err != nil {
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return nil, err
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}
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// Start the command execution
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if err := cmd.Start(); err != nil {
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return nil, err
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}
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defer cmd.Wait()
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// Create a map to store package names and versions
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installedPackages := make(map[string]string)
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// Use a scanner to read the output of the command line by line
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scanner := bufio.NewScanner(stdout)
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for scanner.Scan() {
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line := scanner.Text()
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// Split each line into package name and version
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parts := strings.SplitN(line, " ", 2)
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if len(parts) == 2 {
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packageName := parts[0]
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version := parts[1]
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installedPackages[packageName] = version
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}
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}
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// Return the map with package names and versions
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return installedPackages, scanner.Err()
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}
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