gonf/stdlib/os/debian/apt.go

56 lines
1.2 KiB
Go

package debian
import (
"bufio"
"bytes"
"log/slog"
"os"
"os/exec"
"strings"
gonf "git.adyxax.org/adyxax/gonf/v2/pkg"
)
var packages map[string]string
func init() {
packagesList()
}
func packagesInstall(names []string) (gonf.Status, []string) {
gonf.FilterSlice(&names, func(n string) bool {
_, ok := packages[n]
return !ok
})
if len(names) == 0 {
return gonf.KEPT, nil
}
args := append([]string{"install", "-y", "--no-install-recommends"}, names...)
cmd := gonf.CommandWithEnv([]string{"DEBIAN_FRONTEND=noninteractive", "LC_ALL=C"}, "apt-get", args...)
cmd.Resolve()
packagesList()
return cmd.Status(), names
}
func packagesList() {
packages = make(map[string]string)
ecmd := exec.Command("dpkg-query", "-W")
out, err := ecmd.CombinedOutput()
if err != nil {
slog.Error("dpkg-query", "error", err)
os.Exit(1)
}
s := bufio.NewScanner(bytes.NewReader(out))
s.Split(bufio.ScanWords)
for s.Scan() {
name := s.Text()
if !s.Scan() {
slog.Error("dpkg-query", "error", "parsing error: no version after name")
os.Exit(1)
}
if strings.Contains(name, ":") { // some packages are named with the arch like something:amd64
name = strings.Split(name, ":")[0] // in this case we want only the name
}
packages[name] = s.Text()
}
}