exit: move final and early code to internal package

Exit cleanup state information is now stored in a dedicated struct and built up using methods of that struct.

Signed-off-by: Ophestra Umiker <cat@ophivana.moe>

internal/util/early.go

@@ -1,12 +0,0 @@
-package util
-
-import "fmt"
-
-var SdBootedV = func() bool {
-	if v, err := SdBooted(); err != nil {
-		fmt.Println("warn: read systemd marker:", err)
-		return false
-	} else {
-		return v
-	}
-}()

internal/util/std.go

@@ -2,21 +2,12 @@ package util
 
 import (
 	"errors"
-	"fmt"
-	"git.ophivana.moe/cat/fortify/internal/final"
 	"io/fs"
 	"os"
-	"path"
 )
 
 const (
 	systemdCheckPath = "/run/systemd/system"
-
-	home          = "HOME"
-	xdgConfigHome = "XDG_CONFIG_HOME"
-
-	PulseServer = "PULSE_SERVER"
-	PulseCookie = "PULSE_COOKIE"
 )
 
 // SdBooted implements https://www.freedesktop.org/software/systemd/man/sd_booted.html
@@ -31,40 +22,3 @@ func SdBooted() (bool, error) {
 
 	return true, nil
 }
-
-// DiscoverPulseCookie try various standard methods to discover the current user's PulseAudio authentication cookie
-func DiscoverPulseCookie() string {
-	if p, ok := os.LookupEnv(PulseCookie); ok {
-		return p
-	}
-
-	if p, ok := os.LookupEnv(home); ok {
-		p = path.Join(p, ".pulse-cookie")
-		if s, err := os.Stat(p); err != nil {
-			if !errors.Is(err, fs.ErrNotExist) {
-				final.Fatal("Error accessing PulseAudio cookie:", err)
-				// unreachable
-				return p
-			}
-		} else if !s.IsDir() {
-			return p
-		}
-	}
-
-	if p, ok := os.LookupEnv(xdgConfigHome); ok {
-		p = path.Join(p, "pulse", "cookie")
-		if s, err := os.Stat(p); err != nil {
-			if !errors.Is(err, fs.ErrNotExist) {
-				final.Fatal("Error accessing PulseAudio cookie:", err)
-				// unreachable
-				return p
-			}
-		} else if !s.IsDir() {
-			return p
-		}
-	}
-
-	final.Fatal(fmt.Sprintf("Cannot locate PulseAudio cookie (tried $%s, $%s/pulse/cookie, $%s/.pulse-cookie)",
-		PulseCookie, xdgConfigHome, home))
-	return ""
-}