83 lines
1.6 KiB
Go
83 lines
1.6 KiB
Go
package os
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import (
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"fmt"
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"log"
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"os"
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"os/exec"
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"strings"
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)
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type OS struct {
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ID string
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Name string
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Version string
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PackageManager string
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}
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func GetLinuxDistribution() (*OS, error) {
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_, err := os.Stat("/etc/os-release")
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if os.IsNotExist(err) {
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return nil, fmt.Errorf("unable to read system information")
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}
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osRelease, _ := os.ReadFile("/etc/os-release")
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return parseOsRelease(string(osRelease)), nil
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}
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func parseOsRelease(osRelease string) *OS {
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var result OS
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result.ID = "Unknown"
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result.Name = "Unknown"
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result.Version = "Unknown"
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lines := strings.Split(osRelease, "\n")
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for _, line := range lines {
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splitLine := strings.SplitN(line, "=", 2)
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if len(splitLine) != 2 {
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continue
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}
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switch splitLine[0] {
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case "ID":
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result.ID = strings.ToLower(strings.Trim(splitLine[1], "\""))
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case "NAME":
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result.Name = strings.Trim(splitLine[1], "\"")
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case "VERSION_ID":
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result.Version = strings.Trim(splitLine[1], "\"")
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}
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}
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err := result.getPackageManager()
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if err != nil {
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log.Fatal(err)
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}
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return &result
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}
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func (os *OS) getPackageManager() error {
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switch os.ID {
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case "debian", "ubuntu", "linuxmint":
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os.PackageManager = "apt"
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return nil
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case "arch":
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os.PackageManager = "pacman"
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return nil
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case "fedora":
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os.PackageManager = "dnf"
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return nil
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default:
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pmcommands := []string{
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"apt",
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"dnf",
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"pacman",
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}
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for _, pmname := range pmcommands {
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_, err := exec.LookPath(pmname)
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if err == nil {
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os.PackageManager = pmname
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return nil
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}
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}
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return fmt.Errorf("no packagemanager found for os: %s", os.Name)
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}
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}
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