container: remove PATH lookup behaviour

This is way higher level than the container package and does not even work unless every path is mounted in the exact same location.

This behaviour causes nothing but confusion and problems,

Signed-off-by: Ophestra <cat@gensokyo.uk>

system/dbus/proc.go

@@ -6,7 +6,6 @@ import (
 	"os"
 	"os/exec"
 	"path"
-	"path/filepath"
 	"slices"
 	"strconv"
 	"syscall"
@@ -43,24 +42,26 @@ func (p *Proxy) Start() error {
 			cmd.Env = make([]string, 0)
 		}, nil)
 	} else {
-		toolPath := p.name
-		if filepath.Base(p.name) == p.name {
-			if s, err := exec.LookPath(p.name); err != nil {
+		var toolPath *container.Absolute
+		if a, err := container.NewAbsolute(p.name); err != nil {
+			if p.name, err = exec.LookPath(p.name); err != nil {
+				return err
+			} else if toolPath, err = container.NewAbsolute(p.name); err != nil {
 				return err
-			} else {
-				toolPath = s
 			}
+		} else {
+			toolPath = a
 		}
 
 		var libPaths []string
-		if entries, err := ldd.Exec(ctx, toolPath); err != nil {
+		if entries, err := ldd.Exec(ctx, toolPath.String()); err != nil {
 			return err
 		} else {
 			libPaths = ldd.Path(entries)
 		}
 
 		p.helper = helper.New(
-			ctx, toolPath,
+			ctx, toolPath, "xdg-dbus-proxy",
 			p.final, true,
 			argF, func(z *container.Container) {
 				z.SeccompFlags |= seccomp.AllowMultiarch
@@ -111,7 +112,7 @@ func (p *Proxy) Start() error {
 				}
 
 				// xdg-dbus-proxy bin path
-				binPath := path.Dir(toolPath)
+				binPath := path.Dir(toolPath.String())
 				z.Bind(binPath, binPath, 0)
 			}, nil)
 	}