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release.go
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release.go
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package osarch
import (
"fmt"
"os"
"strings"
)
// GetLSBRelease returns a map with Linux distribution information.
func GetLSBRelease() (map[string]string, error) {
osRelease, err := getLSBRelease("/etc/os-release")
if os.IsNotExist(err) {
return getLSBRelease("/usr/lib/os-release")
}
return osRelease, err
}
func getLSBRelease(filename string) (map[string]string, error) {
osRelease := make(map[string]string)
data, err := os.ReadFile(filename)
if err != nil {
if os.IsNotExist(err) {
return osRelease, nil
}
return osRelease, err
}
for i, line := range strings.Split(string(data), "\n") {
if len(line) == 0 {
continue
}
if strings.HasPrefix(line, "#") {
continue
}
tokens := strings.SplitN(line, "=", 2)
if len(tokens) != 2 {
return osRelease, fmt.Errorf("%s: invalid format on line %d", filename, i+1)
}
osRelease[tokens[0]] = strings.Trim(tokens[1], `'"`)
}
return osRelease, nil
}