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|
package pkg
import (
"errors"
"os"
)
type Ensure int
const (
PkgPresent Ensure = iota
PkgAbsent
PkgLatest
)
type applyFunc func(name string, ensure Ensure) error
func Present(name string, ensure Ensure) error {
bin, err := detect()
if err != nil {
return err
}
var applyFunc applyFunc
switch bin {
case "dnf":
applyFunc = applyDNF
}
return applyFunc(name, ensure)
}
func detect() (string, error) {
switch {
case exists("/etc/fedora-release"):
fallthrough
case exists("/etc/rocky-release"):
return "dnf", nil
}
return "", errors.New("unable to detect package manager!")
}
func exists(path string) bool {
_, err := os.Stat(path)
return err == nil
}
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