From ea96d4880eedd92d9c8228b84de028185ec941b2 Mon Sep 17 00:00:00 2001
From: Jeff Carr <jcarr@wit.com>
Date: Fri, 15 Nov 2024 09:50:13 -0600
Subject: [PATCH] does apt_linux.go vs apt_windows.go work automagically?

---
 dpkgQuery.go => apt.go |  0
 apt_linux.go           | 64 ++++++++++++++++++++++++++++++++++++++++++
 main.go                | 25 +++++++++++++++++
 3 files changed, 89 insertions(+)
 rename dpkgQuery.go => apt.go (100%)
 create mode 100644 apt_linux.go

diff --git a/dpkgQuery.go b/apt.go
similarity index 100%
rename from dpkgQuery.go
rename to apt.go
diff --git a/apt_linux.go b/apt_linux.go
new file mode 100644
index 0000000..5d6eb16
--- /dev/null
+++ b/apt_linux.go
@@ -0,0 +1,64 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"os/exec"
+	"runtime"
+	"strings"
+)
+
+// detectDistro returns the Linux distribution name (if possible)
+func detectDistro() string {
+	// Check if we're on Linux
+	if runtime.GOOS != "linux" {
+		return ""
+	}
+
+	// Try to read /etc/os-release to determine the distro
+	file, err := os.Open("/etc/os-release")
+	if err != nil {
+		return ""
+	}
+	defer file.Close()
+
+	scanner := bufio.NewScanner(file)
+	for scanner.Scan() {
+		line := scanner.Text()
+		if strings.HasPrefix(line, "ID=") {
+			parts := strings.SplitN(line, "=", 2)
+			if len(parts) == 2 {
+				return strings.Trim(parts[1], `"`)
+			}
+		}
+	}
+	return ""
+}
+
+// getPackageList returns the list of installed packages based on the distro
+func getPackageList(distro string) ([]string, error) {
+	var cmd *exec.Cmd
+
+	// Run the appropriate command based on the detected distribution
+	switch distro {
+	case "ubuntu", "debian":
+		cmd = exec.Command("dpkg-query", "-W", "-f=${Package} ${Version}\n")
+	case "fedora", "centos", "rhel":
+		cmd = exec.Command("rpm", "-qa")
+	case "arch", "manjaro":
+		cmd = exec.Command("pacman", "-Q")
+	default:
+		return nil, fmt.Errorf("unsupported distribution: %s", distro)
+	}
+
+	// Capture the command's output
+	output, err := cmd.CombinedOutput()
+	if err != nil {
+		return nil, fmt.Errorf("error running command: %v", err)
+	}
+
+	// Split the output into lines and return
+	lines := strings.Split(string(output), "\n")
+	return lines, nil
+}
diff --git a/main.go b/main.go
index ab7717c..3368042 100644
--- a/main.go
+++ b/main.go
@@ -55,6 +55,31 @@ func main() {
 	for pkg, version := range installedPackages {
 		fmt.Printf("%s: %s\n", pkg, version)
 	}
+
+	// Detect the Linux distribution
+	distro := detectDistro()
+	if distro == "" {
+		fmt.Println("Unable to detect Linux distribution.")
+		return
+	}
+
+	fmt.Printf("Detected distribution: %s\n", distro)
+
+	// Get the list of installed packages for the detected distro
+	packages, err := getPackageList(distro)
+	if err != nil {
+		fmt.Println("Error:", err)
+		return
+	}
+
+	// Print the installed packages
+	fmt.Println("Installed Packages:")
+	for _, pkg := range packages {
+		if pkg != "" {
+			fmt.Println(pkg)
+		}
+	}
+
 	go NewWatchdog()
 
 	startHTTP()