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package debian
import (
"bufio"
"bytes"
_ "embed"
"log/slog"
"os"
"os/exec"
"git.adyxax.org/adyxax/gonf/v2/gonf"
"git.adyxax.org/adyxax/gonf/v2/stdlib/os/systemd"
)
var packages map[string]string
func init() {
packages_list()
}
//go:embed sources.list
var sources_list []byte
func Promise() {
rootRO := gonf.ModeUserGroup(0444, "root", "root")
gonf.Default("debian-release", "stable")
gonf.AppendVariable("debian-extra-sources", "# Extra sources")
apt_update := gonf.Command("apt-get", "update", "-qq")
gonf.File("/etc/apt/sources.list").Permissions(rootRO).Template(sources_list).Promise().IfRepaired(apt_update)
gonf.SetPackagesConfiguration(packages_install, packages_list, apt_update)
gonf.Service("opensmtpd").State("enabled", "started").Promise()
systemd.Promise()
}
func packages_install(names []string) gonf.Status {
allKept := true
for _, n := range names {
if _, ok := packages[n]; !ok {
allKept = false
}
}
if allKept {
return gonf.KEPT
}
args := append([]string{"install", "-y", "--no-install-recommends"}, names...)
cmd := gonf.CommandWithEnv([]string{"DEBIAN_FRONTEND=noninteractive", "LC_ALL=C"}, "apt-get", args...)
cmd.Resolve()
packages_list()
return cmd.Status
}
func packages_list() {
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)
}
packages[name] = s.Text()
}
}
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