internal/outcome: rename run from main

The "main.go" name is quite confusing as this is often only present in main packages.

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

1 files changed, 0 insertions, 924 deletions

diff --git a/internal/outcome/main_test.go b/internal/outcome/main_test.go
deleted file mode 100644
index de2113f2..00000000
--- a/internal/outcome/main_test.go
+++ /dev/null
@@ -1,924 +0,0 @@
-package outcome
-
-import (
-	"bytes"
-	"encoding/gob"
-	"errors"
-	"fmt"
-	"io"
-	"io/fs"
-	"log"
-	"os/exec"
-	"os/user"
-	"reflect"
-	"syscall"
-	"testing"
-	"time"
-
-	"hakurei.app/container"
-	"hakurei.app/container/check"
-	"hakurei.app/container/fhs"
-	"hakurei.app/container/seccomp"
-	"hakurei.app/container/std"
-	"hakurei.app/hst"
-	"hakurei.app/internal/system"
-	"hakurei.app/internal/system/acl"
-	"hakurei.app/internal/system/dbus"
-	"hakurei.app/message"
-)
-
-func TestOutcomeMain(t *testing.T) {
-	t.Parallel()
-	msg := message.New(nil)
-	msg.SwapVerbose(testing.Verbose())
-
-	testCases := []struct {
-		name       string
-		k          syscallDispatcher
-		config     *hst.Config
-		id         hst.ID
-		wantSys    *system.I
-		wantParams *container.Params
-	}{
-		{"template", new(stubNixOS), hst.Template(), checkExpectInstanceId, system.New(panicMsgContext{}, message.New(nil), 10009).
-			// spParamsOp
-			Ensure(m("/tmp/hakurei.0"), 0711).
-
-			// spRuntimeOp
-			Ensure(m("/tmp/hakurei.0/runtime"), 0700).
-			UpdatePermType(system.User, m("/tmp/hakurei.0/runtime"), acl.Execute).
-			Ensure(m("/tmp/hakurei.0/runtime/9"), 0700).
-			UpdatePermType(system.User, m("/tmp/hakurei.0/runtime/9"), acl.Read, acl.Write, acl.Execute).
-
-			// spTmpdirOp
-			Ensure(m("/tmp/hakurei.0/tmpdir"), 0700).
-			UpdatePermType(system.User, m("/tmp/hakurei.0/tmpdir"), acl.Execute).
-			Ensure(m("/tmp/hakurei.0/tmpdir/9"), 01700).
-			UpdatePermType(system.User, m("/tmp/hakurei.0/tmpdir/9"), acl.Read, acl.Write, acl.Execute).
-
-			// instance
-			Ephemeral(system.Process, m("/tmp/hakurei.0/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"), 0711).
-
-			// spWaylandOp
-			Wayland(
-				m("/tmp/hakurei.0/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/wayland"),
-				m("/run/user/1971/wayland-0"),
-				"org.chromium.Chromium",
-				"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
-			).
-
-			// ensureRuntimeDir
-			Ensure(m("/run/user/1971"), 0700).
-			UpdatePermType(system.User, m("/run/user/1971"), acl.Execute).
-			Ensure(m("/run/user/1971/hakurei"), 0700).
-			UpdatePermType(system.User, m("/run/user/1971/hakurei"), acl.Execute).
-
-			// runtime
-			Ephemeral(system.Process, m("/run/user/1971/hakurei/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"), 0700).
-			UpdatePerm(m("/run/user/1971/hakurei/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"), acl.Execute).
-
-			// spPulseOp
-			Link(m("/run/user/1971/pulse/native"), m("/run/user/1971/hakurei/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/pulse")).
-
-			// spDBusOp
-			MustProxyDBus(
-				hst.Template().SessionBus,
-				hst.Template().SystemBus, dbus.ProxyPair{
-					"unix:path=/run/user/1971/bus",
-					"/tmp/hakurei.0/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bus",
-				}, dbus.ProxyPair{
-					"unix:path=/var/run/dbus/system_bus_socket",
-					"/tmp/hakurei.0/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/system_bus_socket",
-				},
-			).UpdatePerm(m("/tmp/hakurei.0/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bus"), acl.Read, acl.Write).
-			UpdatePerm(m("/tmp/hakurei.0/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/system_bus_socket"), acl.Read, acl.Write).
-
-			// spFilesystemOp
-			Ensure(m("/var/lib/hakurei/u0"), 0700).
-			UpdatePermType(system.User, m("/var/lib/hakurei/u0"), acl.Execute).
-			UpdatePermType(system.User, m("/var/lib/hakurei/u0/org.chromium.Chromium"), acl.Read, acl.Write, acl.Execute), &container.Params{
-
-			Dir: m("/data/data/org.chromium.Chromium"),
-			Env: []string{
-				"DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1971/bus",
-				"DBUS_SYSTEM_BUS_ADDRESS=unix:path=/var/run/dbus/system_bus_socket",
-				"GOOGLE_API_KEY=AIzaSyBHDrl33hwRp4rMQY0ziRbj8K9LPA6vUCY",
-				"GOOGLE_DEFAULT_CLIENT_ID=77185425430.apps.googleusercontent.com",
-				"GOOGLE_DEFAULT_CLIENT_SECRET=OTJgUOQcT7lO7GsGZq2G4IlT",
-				"HOME=/data/data/org.chromium.Chromium",
-				"PULSE_COOKIE=/.hakurei/pulse-cookie",
-				"PULSE_SERVER=unix:/run/user/1971/pulse/native",
-				"SHELL=/run/current-system/sw/bin/zsh",
-				"TERM=xterm-256color",
-				"USER=chronos",
-				"WAYLAND_DISPLAY=wayland-0",
-				"XDG_RUNTIME_DIR=/run/user/1971",
-				"XDG_SESSION_CLASS=user",
-				"XDG_SESSION_TYPE=wayland",
-			},
-
-			// spParamsOp
-			Hostname:      "localhost",
-			RetainSession: true,
-			HostNet:       true,
-			HostAbstract:  true,
-			Path:          m("/run/current-system/sw/bin/chromium"),
-			Args: []string{
-				"chromium",
-				"--ignore-gpu-blocklist",
-				"--disable-smooth-scrolling",
-				"--enable-features=UseOzonePlatform",
-				"--ozone-platform=wayland",
-			},
-			SeccompFlags: seccomp.AllowMultiarch,
-			Uid:          1971,
-			Gid:          100,
-
-			Ops: new(container.Ops).
-				// resolveRoot
-				Root(m("/var/lib/hakurei/base/org.debian"), std.BindWritable).
-				// spParamsOp
-				Proc(fhs.AbsProc).
-				Tmpfs(hst.AbsPrivateTmp, 1<<12, 0755).
-				Bind(fhs.AbsDev, fhs.AbsDev, std.BindWritable|std.BindDevice).
-				Tmpfs(fhs.AbsDevShm, 0, 01777).
-
-				// spRuntimeOp
-				Tmpfs(fhs.AbsRunUser, 1<<12, 0755).
-				Bind(m("/tmp/hakurei.0/runtime/9"), m("/run/user/1971"), std.BindWritable).
-
-				// spTmpdirOp
-				Bind(m("/tmp/hakurei.0/tmpdir/9"), fhs.AbsTmp, std.BindWritable).
-
-				// spAccountOp
-				Place(m("/etc/passwd"), []byte("chronos:x:1971:100:Hakurei:/data/data/org.chromium.Chromium:/run/current-system/sw/bin/zsh\n")).
-				Place(m("/etc/group"), []byte("hakurei:x:100:\n")).
-
-				// spWaylandOp
-				Bind(m("/tmp/hakurei.0/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/wayland"), m("/run/user/1971/wayland-0"), 0).
-
-				// spPulseOp
-				Bind(m("/run/user/1971/hakurei/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/pulse"), m("/run/user/1971/pulse/native"), 0).
-				Place(m("/.hakurei/pulse-cookie"), bytes.Repeat([]byte{0}, pulseCookieSizeMax)).
-
-				// spDBusOp
-				Bind(m("/tmp/hakurei.0/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bus"), m("/run/user/1971/bus"), 0).
-				Bind(m("/tmp/hakurei.0/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/system_bus_socket"), m("/var/run/dbus/system_bus_socket"), 0).
-
-				// spFilesystemOp
-				Etc(fhs.AbsEtc, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa").
-				Tmpfs(fhs.AbsTmp, 0, 0755).
-				Overlay(m("/nix/store"),
-					fhs.AbsVarLib.Append("hakurei/nix/u0/org.chromium.Chromium/rw-store/upper"),
-					fhs.AbsVarLib.Append("hakurei/nix/u0/org.chromium.Chromium/rw-store/work"),
-					fhs.AbsVarLib.Append("hakurei/base/org.nixos/ro-store")).
-				Link(m("/run/current-system"), "/run/current-system", true).
-				Link(m("/run/opengl-driver"), "/run/opengl-driver", true).
-				Bind(fhs.AbsVarLib.Append("hakurei/u0/org.chromium.Chromium"),
-					m("/data/data/org.chromium.Chromium"),
-					std.BindWritable|std.BindEnsure).
-				Bind(fhs.AbsDev.Append("dri"), fhs.AbsDev.Append("dri"),
-					std.BindOptional|std.BindWritable|std.BindDevice).
-				Remount(fhs.AbsRoot, syscall.MS_RDONLY),
-		}},
-
-		{"nixos permissive defaults no enablements", new(stubNixOS), &hst.Config{Container: &hst.ContainerConfig{
-			Filesystem: []hst.FilesystemConfigJSON{
-				{FilesystemConfig: &hst.FSBind{
-					Target:  fhs.AbsRoot,
-					Source:  fhs.AbsRoot,
-					Write:   true,
-					Special: true,
-				}},
-				{FilesystemConfig: &hst.FSBind{
-					Source:   fhs.AbsDev.Append("kvm"),
-					Device:   true,
-					Optional: true,
-				}},
-				{FilesystemConfig: &hst.FSBind{
-					Target:  fhs.AbsEtc,
-					Source:  fhs.AbsEtc,
-					Special: true,
-				}},
-			},
-
-			Username: "chronos",
-			Shell:    m("/run/current-system/sw/bin/zsh"),
-			Home:     m("/home/chronos"),
-
-			Path: m("/run/current-system/sw/bin/zsh"),
-			Args: []string{"/run/current-system/sw/bin/zsh"},
-
-			Flags: hst.FUserns | hst.FHostNet | hst.FHostAbstract | hst.FTty | hst.FShareRuntime | hst.FShareTmpdir,
-		}}, hst.ID{
-			0x4a, 0x45, 0x0b, 0x65,
-			0x96, 0xd7, 0xbc, 0x15,
-			0xbd, 0x01, 0x78, 0x0e,
-			0xb9, 0xa6, 0x07, 0xac,
-		}, system.New(t.Context(), msg, 10000).
-			Ensure(m("/tmp/hakurei.0"), 0711).
-			Ensure(m("/tmp/hakurei.0/runtime"), 0700).
-			UpdatePermType(system.User, m("/tmp/hakurei.0/runtime"), acl.Execute).
-			Ensure(m("/tmp/hakurei.0/runtime/0"), 0700).
-			UpdatePermType(system.User, m("/tmp/hakurei.0/runtime/0"), acl.Read, acl.Write, acl.Execute).
-			Ensure(m("/tmp/hakurei.0/tmpdir"), 0700).
-			UpdatePermType(system.User, m("/tmp/hakurei.0/tmpdir"), acl.Execute).
-			Ensure(m("/tmp/hakurei.0/tmpdir/0"), 01700).
-			UpdatePermType(system.User, m("/tmp/hakurei.0/tmpdir/0"), acl.Read, acl.Write, acl.Execute), &container.Params{
-
-			Dir:  m("/home/chronos"),
-			Path: m("/run/current-system/sw/bin/zsh"),
-			Args: []string{"/run/current-system/sw/bin/zsh"},
-			Env: []string{
-				"HOME=/home/chronos",
-				"SHELL=/run/current-system/sw/bin/zsh",
-				"TERM=xterm-256color",
-				"USER=chronos",
-				"XDG_RUNTIME_DIR=/run/user/65534",
-				"XDG_SESSION_CLASS=user",
-				"XDG_SESSION_TYPE=tty",
-			},
-			Ops: new(container.Ops).
-				Root(m("/"), std.BindWritable).
-				Proc(m("/proc/")).
-				Tmpfs(hst.AbsPrivateTmp, 4096, 0755).
-				DevWritable(m("/dev/"), true).
-				Tmpfs(m("/dev/shm/"), 0, 01777).
-				Tmpfs(m("/run/user/"), 4096, 0755).
-				Bind(m("/tmp/hakurei.0/runtime/0"), m("/run/user/65534"), std.BindWritable).
-				Bind(m("/tmp/hakurei.0/tmpdir/0"), m("/tmp/"), std.BindWritable).
-				Place(m("/etc/passwd"), []byte("chronos:x:65534:65534:Hakurei:/home/chronos:/run/current-system/sw/bin/zsh\n")).
-				Place(m("/etc/group"), []byte("hakurei:x:65534:\n")).
-				Bind(m("/dev/kvm"), m("/dev/kvm"), std.BindWritable|std.BindDevice|std.BindOptional).
-				Etc(m("/etc/"), "4a450b6596d7bc15bd01780eb9a607ac").
-				Tmpfs(m("/run/user/1971"), 8192, 0755).
-				Tmpfs(m("/run/nscd"), 8192, 0755).
-				Tmpfs(m("/run/dbus"), 8192, 0755).
-				Remount(m("/dev/"), syscall.MS_RDONLY).
-				Remount(m("/"), syscall.MS_RDONLY),
-			SeccompPresets: std.PresetExt | std.PresetDenyDevel,
-			HostNet:        true,
-			HostAbstract:   true,
-			RetainSession:  true,
-			ForwardCancel:  true,
-		}},
-
-		{"nixos permissive defaults chromium", new(stubNixOS), &hst.Config{
-			ID:       "org.chromium.Chromium",
-			Identity: 9,
-			Groups:   []string{"video"},
-			SessionBus: &hst.BusConfig{
-				Talk: []string{
-					"org.freedesktop.Notifications",
-					"org.freedesktop.FileManager1",
-					"org.freedesktop.ScreenSaver",
-					"org.freedesktop.secrets",
-					"org.kde.kwalletd5",
-					"org.kde.kwalletd6",
-					"org.gnome.SessionManager",
-				},
-				Own: []string{
-					"org.chromium.Chromium.*",
-					"org.mpris.MediaPlayer2.org.chromium.Chromium.*",
-					"org.mpris.MediaPlayer2.chromium.*",
-				},
-				Call: map[string]string{
-					"org.freedesktop.portal.*": "*",
-				},
-				Broadcast: map[string]string{
-					"org.freedesktop.portal.*": "@/org/freedesktop/portal/*",
-				},
-				Filter: true,
-			},
-			SystemBus: &hst.BusConfig{
-				Talk: []string{
-					"org.bluez",
-					"org.freedesktop.Avahi",
-					"org.freedesktop.UPower",
-				},
-				Filter: true,
-			},
-			Enablements: hst.NewEnablements(hst.EWayland | hst.EDBus | hst.EPulse),
-
-			Container: &hst.ContainerConfig{
-				Filesystem: []hst.FilesystemConfigJSON{
-					{FilesystemConfig: &hst.FSBind{
-						Target:  fhs.AbsRoot,
-						Source:  fhs.AbsRoot,
-						Write:   true,
-						Special: true,
-					}},
-					{FilesystemConfig: &hst.FSBind{
-						Source:   fhs.AbsDev.Append("dri"),
-						Device:   true,
-						Optional: true,
-					}},
-					{FilesystemConfig: &hst.FSBind{
-						Source:   fhs.AbsDev.Append("kvm"),
-						Device:   true,
-						Optional: true,
-					}},
-					{FilesystemConfig: &hst.FSBind{
-						Target:  fhs.AbsEtc,
-						Source:  fhs.AbsEtc,
-						Special: true,
-					}},
-				},
-
-				Username: "chronos",
-				Shell:    m("/run/current-system/sw/bin/zsh"),
-				Home:     m("/home/chronos"),
-
-				Path: m("/run/current-system/sw/bin/zsh"),
-				Args: []string{"zsh", "-c", "exec chromium "},
-
-				Flags: hst.FUserns | hst.FHostNet | hst.FHostAbstract | hst.FTty | hst.FShareRuntime | hst.FShareTmpdir,
-			},
-		}, hst.ID{
-			0xeb, 0xf0, 0x83, 0xd1,
-			0xb1, 0x75, 0x91, 0x17,
-			0x82, 0xd4, 0x13, 0x36,
-			0x9b, 0x64, 0xce, 0x7c,
-		}, system.New(t.Context(), msg, 10009).
-			Ensure(m("/tmp/hakurei.0"), 0711).
-			Ensure(m("/tmp/hakurei.0/runtime"), 0700).UpdatePermType(system.User, m("/tmp/hakurei.0/runtime"), acl.Execute).
-			Ensure(m("/tmp/hakurei.0/runtime/9"), 0700).UpdatePermType(system.User, m("/tmp/hakurei.0/runtime/9"), acl.Read, acl.Write, acl.Execute).
-			Ensure(m("/tmp/hakurei.0/tmpdir"), 0700).UpdatePermType(system.User, m("/tmp/hakurei.0/tmpdir"), acl.Execute).
-			Ensure(m("/tmp/hakurei.0/tmpdir/9"), 01700).UpdatePermType(system.User, m("/tmp/hakurei.0/tmpdir/9"), acl.Read, acl.Write, acl.Execute).
-			Ephemeral(system.Process, m("/tmp/hakurei.0/ebf083d1b175911782d413369b64ce7c"), 0711).
-			Wayland(m("/tmp/hakurei.0/ebf083d1b175911782d413369b64ce7c/wayland"), m("/run/user/1971/wayland-0"), "org.chromium.Chromium", "ebf083d1b175911782d413369b64ce7c").
-			Ensure(m("/run/user/1971"), 0700).UpdatePermType(system.User, m("/run/user/1971"), acl.Execute). // this is ordered as is because the previous Ensure only calls mkdir if XDG_RUNTIME_DIR is unset
-			Ensure(m("/run/user/1971/hakurei"), 0700).UpdatePermType(system.User, m("/run/user/1971/hakurei"), acl.Execute).
-			Ephemeral(system.Process, m("/run/user/1971/hakurei/ebf083d1b175911782d413369b64ce7c"), 0700).UpdatePermType(system.Process, m("/run/user/1971/hakurei/ebf083d1b175911782d413369b64ce7c"), acl.Execute).
-			Link(m("/run/user/1971/pulse/native"), m("/run/user/1971/hakurei/ebf083d1b175911782d413369b64ce7c/pulse")).
-			MustProxyDBus(&hst.BusConfig{
-				Talk: []string{
-					"org.freedesktop.Notifications",
-					"org.freedesktop.FileManager1",
-					"org.freedesktop.ScreenSaver",
-					"org.freedesktop.secrets",
-					"org.kde.kwalletd5",
-					"org.kde.kwalletd6",
-					"org.gnome.SessionManager",
-				},
-				Own: []string{
-					"org.chromium.Chromium.*",
-					"org.mpris.MediaPlayer2.org.chromium.Chromium.*",
-					"org.mpris.MediaPlayer2.chromium.*",
-				},
-				Call: map[string]string{
-					"org.freedesktop.portal.*": "*",
-				},
-				Broadcast: map[string]string{
-					"org.freedesktop.portal.*": "@/org/freedesktop/portal/*",
-				},
-				Filter: true,
-			}, &hst.BusConfig{
-				Talk: []string{
-					"org.bluez",
-					"org.freedesktop.Avahi",
-					"org.freedesktop.UPower",
-				},
-				Filter: true,
-			}, dbus.ProxyPair{
-				"unix:path=/run/user/1971/bus",
-				"/tmp/hakurei.0/ebf083d1b175911782d413369b64ce7c/bus",
-			}, dbus.ProxyPair{
-				"unix:path=/var/run/dbus/system_bus_socket",
-				"/tmp/hakurei.0/ebf083d1b175911782d413369b64ce7c/system_bus_socket",
-			}).
-			UpdatePerm(m("/tmp/hakurei.0/ebf083d1b175911782d413369b64ce7c/bus"), acl.Read, acl.Write).
-			UpdatePerm(m("/tmp/hakurei.0/ebf083d1b175911782d413369b64ce7c/system_bus_socket"), acl.Read, acl.Write), &container.Params{
-
-			Dir:  m("/home/chronos"),
-			Path: m("/run/current-system/sw/bin/zsh"),
-			Args: []string{"zsh", "-c", "exec chromium "},
-			Env: []string{
-				"DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/65534/bus",
-				"DBUS_SYSTEM_BUS_ADDRESS=unix:path=/var/run/dbus/system_bus_socket",
-				"HOME=/home/chronos",
-				"PULSE_COOKIE=" + hst.PrivateTmp + "/pulse-cookie",
-				"PULSE_SERVER=unix:/run/user/65534/pulse/native",
-				"SHELL=/run/current-system/sw/bin/zsh",
-				"TERM=xterm-256color",
-				"USER=chronos",
-				"WAYLAND_DISPLAY=wayland-0",
-				"XDG_RUNTIME_DIR=/run/user/65534",
-				"XDG_SESSION_CLASS=user",
-				"XDG_SESSION_TYPE=wayland",
-			},
-			Ops: new(container.Ops).
-				Root(m("/"), std.BindWritable).
-				Proc(m("/proc/")).
-				Tmpfs(hst.AbsPrivateTmp, 4096, 0755).
-				DevWritable(m("/dev/"), true).
-				Tmpfs(m("/dev/shm/"), 0, 01777).
-				Tmpfs(m("/run/user/"), 4096, 0755).
-				Bind(m("/tmp/hakurei.0/runtime/9"), m("/run/user/65534"), std.BindWritable).
-				Bind(m("/tmp/hakurei.0/tmpdir/9"), m("/tmp/"), std.BindWritable).
-				Place(m("/etc/passwd"), []byte("chronos:x:65534:65534:Hakurei:/home/chronos:/run/current-system/sw/bin/zsh\n")).
-				Place(m("/etc/group"), []byte("hakurei:x:65534:\n")).
-				Bind(m("/tmp/hakurei.0/ebf083d1b175911782d413369b64ce7c/wayland"), m("/run/user/65534/wayland-0"), 0).
-				Bind(m("/run/user/1971/hakurei/ebf083d1b175911782d413369b64ce7c/pulse"), m("/run/user/65534/pulse/native"), 0).
-				Place(m(hst.PrivateTmp+"/pulse-cookie"), bytes.Repeat([]byte{0}, pulseCookieSizeMax)).
-				Bind(m("/tmp/hakurei.0/ebf083d1b175911782d413369b64ce7c/bus"), m("/run/user/65534/bus"), 0).
-				Bind(m("/tmp/hakurei.0/ebf083d1b175911782d413369b64ce7c/system_bus_socket"), m("/var/run/dbus/system_bus_socket"), 0).
-				Bind(m("/dev/dri"), m("/dev/dri"), std.BindWritable|std.BindDevice|std.BindOptional).
-				Bind(m("/dev/kvm"), m("/dev/kvm"), std.BindWritable|std.BindDevice|std.BindOptional).
-				Etc(m("/etc/"), "ebf083d1b175911782d413369b64ce7c").
-				Tmpfs(m("/run/user/1971"), 8192, 0755).
-				Tmpfs(m("/run/nscd"), 8192, 0755).
-				Tmpfs(m("/run/dbus"), 8192, 0755).
-				Remount(m("/dev/"), syscall.MS_RDONLY).
-				Remount(m("/"), syscall.MS_RDONLY),
-			SeccompPresets: std.PresetExt | std.PresetDenyDevel,
-			HostNet:        true,
-			HostAbstract:   true,
-			RetainSession:  true,
-			ForwardCancel:  true,
-		}},
-
-		{"nixos chromium direct wayland", new(stubNixOS), &hst.Config{
-			ID:          "org.chromium.Chromium",
-			Enablements: hst.NewEnablements(hst.EWayland | hst.EDBus | hst.EPulse),
-			Container: &hst.ContainerConfig{
-				Env: nil,
-				Filesystem: []hst.FilesystemConfigJSON{
-					f(&hst.FSBind{Source: m("/bin")}),
-					f(&hst.FSBind{Source: m("/usr/bin/")}),
-					f(&hst.FSBind{Source: m("/nix/store")}),
-					f(&hst.FSBind{Source: m("/run/current-system")}),
-					f(&hst.FSBind{Source: m("/sys/block"), Optional: true}),
-					f(&hst.FSBind{Source: m("/sys/bus"), Optional: true}),
-					f(&hst.FSBind{Source: m("/sys/class"), Optional: true}),
-					f(&hst.FSBind{Source: m("/sys/dev"), Optional: true}),
-					f(&hst.FSBind{Source: m("/sys/devices"), Optional: true}),
-					f(&hst.FSBind{Source: m("/run/opengl-driver")}),
-					f(&hst.FSBind{Source: m("/dev/dri"), Device: true, Optional: true}),
-					f(&hst.FSBind{Source: m("/etc/"), Target: m("/etc/"), Special: true}),
-					f(&hst.FSBind{Source: m("/var/lib/persist/module/hakurei/0/1"), Write: true, Ensure: true}),
-				},
-
-				Username: "u0_a1",
-				Shell:    m("/run/current-system/sw/bin/zsh"),
-				Home:     m("/var/lib/persist/module/hakurei/0/1"),
-
-				Path: m("/nix/store/yqivzpzzn7z5x0lq9hmbzygh45d8rhqd-chromium-start"),
-
-				Flags: hst.FUserns | hst.FHostNet | hst.FMapRealUID | hst.FShareRuntime | hst.FShareTmpdir,
-			},
-			SystemBus: &hst.BusConfig{
-				Talk:   []string{"org.bluez", "org.freedesktop.Avahi", "org.freedesktop.UPower"},
-				Filter: true,
-			},
-			SessionBus: &hst.BusConfig{
-				Talk: []string{
-					"org.freedesktop.FileManager1", "org.freedesktop.Notifications",
-					"org.freedesktop.ScreenSaver", "org.freedesktop.secrets",
-					"org.kde.kwalletd5", "org.kde.kwalletd6",
-				},
-				Own: []string{
-					"org.chromium.Chromium.*",
-					"org.mpris.MediaPlayer2.org.chromium.Chromium.*",
-					"org.mpris.MediaPlayer2.chromium.*",
-				},
-				Call: map[string]string{}, Broadcast: map[string]string{},
-				Filter: true,
-			},
-			DirectWayland: true,
-
-			Identity: 1, Groups: []string{},
-		}, hst.ID{
-			0x8e, 0x2c, 0x76, 0xb0,
-			0x66, 0xda, 0xbe, 0x57,
-			0x4c, 0xf0, 0x73, 0xbd,
-			0xb4, 0x6e, 0xb5, 0xc1,
-		}, system.New(t.Context(), msg, 10001).
-			Ensure(m("/tmp/hakurei.0"), 0711).
-			Ensure(m("/tmp/hakurei.0/runtime"), 0700).UpdatePermType(system.User, m("/tmp/hakurei.0/runtime"), acl.Execute).
-			Ensure(m("/tmp/hakurei.0/runtime/1"), 0700).UpdatePermType(system.User, m("/tmp/hakurei.0/runtime/1"), acl.Read, acl.Write, acl.Execute).
-			Ensure(m("/tmp/hakurei.0/tmpdir"), 0700).UpdatePermType(system.User, m("/tmp/hakurei.0/tmpdir"), acl.Execute).
-			Ensure(m("/tmp/hakurei.0/tmpdir/1"), 01700).UpdatePermType(system.User, m("/tmp/hakurei.0/tmpdir/1"), acl.Read, acl.Write, acl.Execute).
-			Ensure(m("/run/user/1971"), 0700).UpdatePermType(system.User, m("/run/user/1971"), acl.Execute). // this is ordered as is because the previous Ensure only calls mkdir if XDG_RUNTIME_DIR is unset
-			Ensure(m("/run/user/1971/hakurei"), 0700).UpdatePermType(system.User, m("/run/user/1971/hakurei"), acl.Execute).
-			UpdatePermType(hst.EWayland, m("/run/user/1971/wayland-0"), acl.Read, acl.Write, acl.Execute).
-			Ephemeral(system.Process, m("/run/user/1971/hakurei/8e2c76b066dabe574cf073bdb46eb5c1"), 0700).UpdatePermType(system.Process, m("/run/user/1971/hakurei/8e2c76b066dabe574cf073bdb46eb5c1"), acl.Execute).
-			Link(m("/run/user/1971/pulse/native"), m("/run/user/1971/hakurei/8e2c76b066dabe574cf073bdb46eb5c1/pulse")).
-			Ephemeral(system.Process, m("/tmp/hakurei.0/8e2c76b066dabe574cf073bdb46eb5c1"), 0711).
-			MustProxyDBus(&hst.BusConfig{
-				Talk: []string{
-					"org.freedesktop.FileManager1", "org.freedesktop.Notifications",
-					"org.freedesktop.ScreenSaver", "org.freedesktop.secrets",
-					"org.kde.kwalletd5", "org.kde.kwalletd6",
-				},
-				Own: []string{
-					"org.chromium.Chromium.*",
-					"org.mpris.MediaPlayer2.org.chromium.Chromium.*",
-					"org.mpris.MediaPlayer2.chromium.*",
-				},
-				Call: map[string]string{}, Broadcast: map[string]string{},
-				Filter: true,
-			}, &hst.BusConfig{
-				Talk: []string{
-					"org.bluez",
-					"org.freedesktop.Avahi",
-					"org.freedesktop.UPower",
-				},
-				Filter: true,
-			}, dbus.ProxyPair{
-				"unix:path=/run/user/1971/bus",
-				"/tmp/hakurei.0/8e2c76b066dabe574cf073bdb46eb5c1/bus",
-			}, dbus.ProxyPair{
-				"unix:path=/var/run/dbus/system_bus_socket",
-				"/tmp/hakurei.0/8e2c76b066dabe574cf073bdb46eb5c1/system_bus_socket",
-			}).
-			UpdatePerm(m("/tmp/hakurei.0/8e2c76b066dabe574cf073bdb46eb5c1/bus"), acl.Read, acl.Write).
-			UpdatePerm(m("/tmp/hakurei.0/8e2c76b066dabe574cf073bdb46eb5c1/system_bus_socket"), acl.Read, acl.Write), &container.Params{
-
-			Uid:  1971,
-			Gid:  100,
-			Dir:  m("/var/lib/persist/module/hakurei/0/1"),
-			Path: m("/nix/store/yqivzpzzn7z5x0lq9hmbzygh45d8rhqd-chromium-start"),
-			Args: []string{"/nix/store/yqivzpzzn7z5x0lq9hmbzygh45d8rhqd-chromium-start"},
-			Env: []string{
-				"DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1971/bus",
-				"DBUS_SYSTEM_BUS_ADDRESS=unix:path=/var/run/dbus/system_bus_socket",
-				"HOME=/var/lib/persist/module/hakurei/0/1",
-				"PULSE_COOKIE=" + hst.PrivateTmp + "/pulse-cookie",
-				"PULSE_SERVER=unix:/run/user/1971/pulse/native",
-				"SHELL=/run/current-system/sw/bin/zsh",
-				"TERM=xterm-256color",
-				"USER=u0_a1",
-				"WAYLAND_DISPLAY=wayland-0",
-				"XDG_RUNTIME_DIR=/run/user/1971",
-				"XDG_SESSION_CLASS=user",
-				"XDG_SESSION_TYPE=wayland",
-			},
-			Ops: new(container.Ops).
-				Proc(m("/proc/")).
-				Tmpfs(hst.AbsPrivateTmp, 4096, 0755).
-				DevWritable(m("/dev/"), true).
-				Tmpfs(m("/dev/shm/"), 0, 01777).
-				Tmpfs(m("/run/user/"), 4096, 0755).
-				Bind(m("/tmp/hakurei.0/runtime/1"), m("/run/user/1971"), std.BindWritable).
-				Bind(m("/tmp/hakurei.0/tmpdir/1"), m("/tmp/"), std.BindWritable).
-				Place(m("/etc/passwd"), []byte("u0_a1:x:1971:100:Hakurei:/var/lib/persist/module/hakurei/0/1:/run/current-system/sw/bin/zsh\n")).
-				Place(m("/etc/group"), []byte("hakurei:x:100:\n")).
-				Bind(m("/run/user/1971/wayland-0"), m("/run/user/1971/wayland-0"), 0).
-				Bind(m("/run/user/1971/hakurei/8e2c76b066dabe574cf073bdb46eb5c1/pulse"), m("/run/user/1971/pulse/native"), 0).
-				Place(m(hst.PrivateTmp+"/pulse-cookie"), bytes.Repeat([]byte{0}, pulseCookieSizeMax)).
-				Bind(m("/tmp/hakurei.0/8e2c76b066dabe574cf073bdb46eb5c1/bus"), m("/run/user/1971/bus"), 0).
-				Bind(m("/tmp/hakurei.0/8e2c76b066dabe574cf073bdb46eb5c1/system_bus_socket"), m("/var/run/dbus/system_bus_socket"), 0).
-				Bind(m("/bin"), m("/bin"), 0).
-				Bind(m("/usr/bin/"), m("/usr/bin/"), 0).
-				Bind(m("/nix/store"), m("/nix/store"), 0).
-				Bind(m("/run/current-system"), m("/run/current-system"), 0).
-				Bind(m("/sys/block"), m("/sys/block"), std.BindOptional).
-				Bind(m("/sys/bus"), m("/sys/bus"), std.BindOptional).
-				Bind(m("/sys/class"), m("/sys/class"), std.BindOptional).
-				Bind(m("/sys/dev"), m("/sys/dev"), std.BindOptional).
-				Bind(m("/sys/devices"), m("/sys/devices"), std.BindOptional).
-				Bind(m("/run/opengl-driver"), m("/run/opengl-driver"), 0).
-				Bind(m("/dev/dri"), m("/dev/dri"), std.BindDevice|std.BindWritable|std.BindOptional).
-				Etc(m("/etc/"), "8e2c76b066dabe574cf073bdb46eb5c1").
-				Bind(m("/var/lib/persist/module/hakurei/0/1"), m("/var/lib/persist/module/hakurei/0/1"), std.BindWritable|std.BindEnsure).
-				Remount(m("/dev/"), syscall.MS_RDONLY).
-				Remount(m("/"), syscall.MS_RDONLY),
-			SeccompPresets: std.PresetExt | std.PresetDenyTTY | std.PresetDenyDevel,
-			HostNet:        true,
-			ForwardCancel:  true,
-		}},
-	}
-
-	for _, tc := range testCases {
-		t.Run(tc.name, func(t *testing.T) {
-			t.Parallel()
-			gr, gw := io.Pipe()
-
-			var gotSys *system.I
-			{
-				sPriv := newOutcomeState(tc.k, msg, &tc.id, tc.config, &Hsu{k: tc.k})
-				if err := sPriv.populateLocal(tc.k, msg); err != nil {
-					t.Fatalf("populateLocal: error = %#v", err)
-				}
-
-				gotSys = system.New(t.Context(), msg, sPriv.uid.unwrap())
-				if err := sPriv.newSys(tc.config, gotSys).toSystem(); err != nil {
-					t.Fatalf("toSystem: error = %#v", err)
-				}
-
-				go func() {
-					e := gob.NewEncoder(gw)
-					if err := errors.Join(e.Encode(&sPriv)); err != nil {
-						t.Errorf("Encode: error = %v", err)
-						panic("unexpected encode fault")
-					}
-				}()
-			}
-
-			var gotParams *container.Params
-			{
-				var sShim outcomeState
-
-				d := gob.NewDecoder(gr)
-				if err := errors.Join(d.Decode(&sShim)); err != nil {
-					t.Fatalf("Decode: error = %v", err)
-				}
-				if err := sShim.populateLocal(tc.k, msg); err != nil {
-					t.Fatalf("populateLocal: error = %#v", err)
-				}
-
-				stateParams := sShim.newParams()
-				for _, op := range sShim.Shim.Ops {
-					if err := op.toContainer(stateParams); err != nil {
-						t.Fatalf("toContainer: error = %#v", err)
-					}
-				}
-				gotParams = stateParams.params
-			}
-
-			t.Run("sys", func(t *testing.T) {
-				if !gotSys.Equal(tc.wantSys) {
-					t.Errorf("toSystem: sys = %#v, want %#v", gotSys, tc.wantSys)
-				}
-			})
-
-			t.Run("params", func(t *testing.T) {
-				if !reflect.DeepEqual(gotParams, tc.wantParams) {
-					t.Errorf("toContainer: params =\n%s\n, want\n%s", mustMarshal(gotParams), mustMarshal(tc.wantParams))
-				}
-			})
-		})
-	}
-}
-
-func stubDirEntries(names ...string) (e []fs.DirEntry, err error) {
-	e = make([]fs.DirEntry, len(names))
-	for i, name := range names {
-		e[i] = stubDirEntryPath(name)
-	}
-	return
-}
-
-type stubDirEntryPath string
-
-func (p stubDirEntryPath) Name() string               { return string(p) }
-func (p stubDirEntryPath) IsDir() bool                { panic("attempted to call IsDir") }
-func (p stubDirEntryPath) Type() fs.FileMode          { panic("attempted to call Type") }
-func (p stubDirEntryPath) Info() (fs.FileInfo, error) { panic("attempted to call Info") }
-
-type stubFileInfoMode fs.FileMode
-
-func (s stubFileInfoMode) Name() string       { panic("attempted to call Name") }
-func (s stubFileInfoMode) Size() int64        { panic("attempted to call Size") }
-func (s stubFileInfoMode) Mode() fs.FileMode  { return fs.FileMode(s) }
-func (s stubFileInfoMode) ModTime() time.Time { panic("attempted to call ModTime") }
-func (s stubFileInfoMode) IsDir() bool        { panic("attempted to call IsDir") }
-func (s stubFileInfoMode) Sys() any           { panic("attempted to call Sys") }
-
-type stubFileInfoIsDir bool
-
-func (s stubFileInfoIsDir) Name() string       { panic("attempted to call Name") }
-func (s stubFileInfoIsDir) Size() int64        { panic("attempted to call Size") }
-func (s stubFileInfoIsDir) Mode() fs.FileMode  { panic("attempted to call Mode") }
-func (s stubFileInfoIsDir) ModTime() time.Time { panic("attempted to call ModTime") }
-func (s stubFileInfoIsDir) IsDir() bool        { return bool(s) }
-func (s stubFileInfoIsDir) Sys() any           { panic("attempted to call Sys") }
-
-type stubFileInfoPulseCookie struct{ stubFileInfoIsDir }
-
-func (s stubFileInfoPulseCookie) Size() int64 { return pulseCookieSizeMax }
-
-type stubOsFileReadCloser struct{ io.ReadCloser }
-
-func (s stubOsFileReadCloser) Name() string               { panic("attempting to call Name") }
-func (s stubOsFileReadCloser) Write([]byte) (int, error)  { panic("attempting to call Write") }
-func (s stubOsFileReadCloser) Stat() (fs.FileInfo, error) { panic("attempting to call Stat") }
-
-type stubNixOS struct {
-	usernameErr map[string]error
-	panicDispatcher
-}
-
-func (k *stubNixOS) getppid() int { return 0xbad }
-func (k *stubNixOS) getpid() int  { return 0xdead }
-func (k *stubNixOS) getuid() int  { return 1971 }
-func (k *stubNixOS) getgid() int  { return 100 }
-
-func (k *stubNixOS) lookupEnv(key string) (string, bool) {
-	switch key {
-	case "SHELL":
-		return "/run/current-system/sw/bin/zsh", true
-	case "TERM":
-		return "xterm-256color", true
-	case "WAYLAND_DISPLAY":
-		return "wayland-0", true
-	case "PULSE_COOKIE":
-		return "", false
-	case "HOME":
-		return "/home/ophestra", true
-	case "XDG_RUNTIME_DIR":
-		return "/run/user/1971", true
-	case "XDG_CONFIG_HOME":
-		return "/home/ophestra/xdg/config", true
-	case "DBUS_SYSTEM_BUS_ADDRESS":
-		return "", false
-	default:
-		panic(fmt.Sprintf("attempted to access unexpected environment variable %q", key))
-	}
-}
-
-func (k *stubNixOS) stat(name string) (fs.FileInfo, error) {
-	switch name {
-	case "/var/run/nscd":
-		return nil, nil
-	case "/run/user/1971/pulse":
-		return nil, nil
-	case "/run/user/1971/pulse/native":
-		return stubFileInfoMode(0666), nil
-	case "/home/ophestra/.pulse-cookie":
-		return stubFileInfoIsDir(true), nil
-	case "/home/ophestra/xdg/config/pulse/cookie":
-		return stubFileInfoPulseCookie{false}, nil
-	default:
-		panic(fmt.Sprintf("attempted to stat unexpected path %q", name))
-	}
-}
-
-func (k *stubNixOS) open(name string) (osFile, error) {
-	switch name {
-	case "/home/ophestra/xdg/config/pulse/cookie":
-		return stubOsFileReadCloser{io.NopCloser(bytes.NewReader(bytes.Repeat([]byte{0}, pulseCookieSizeMax)))}, nil
-	default:
-		panic(fmt.Sprintf("attempted to open unexpected path %q", name))
-	}
-}
-
-func (k *stubNixOS) readdir(name string) ([]fs.DirEntry, error) {
-	switch name {
-	case "/":
-		return stubDirEntries("bin", "boot", "dev", "etc", "home", "lib",
-			"lib64", "nix", "proc", "root", "run", "srv", "sys", "tmp", "usr", "var")
-
-	case "/run":
-		return stubDirEntries("agetty.reload", "binfmt", "booted-system",
-			"credentials", "cryptsetup", "current-system", "dbus", "host", "keys",
-			"libvirt", "libvirtd.pid", "lock", "log", "lvm", "mount", "NetworkManager",
-			"nginx", "nixos", "nscd", "opengl-driver", "pppd", "resolvconf", "sddm",
-			"store", "syncoid", "system", "systemd", "tmpfiles.d", "udev", "udisks2",
-			"user", "utmp", "virtlogd.pid", "wrappers", "zed.pid", "zed.state")
-
-	case "/etc":
-		return stubDirEntries("alsa", "bashrc", "binfmt.d", "dbus-1", "default",
-			"ethertypes", "fonts", "fstab", "fuse.conf", "group", "host.conf", "hostid",
-			"hostname", "hostname.CHECKSUM", "hosts", "inputrc", "ipsec.d", "issue", "kbd",
-			"libblockdev", "locale.conf", "localtime", "login.defs", "lsb-release", "lvm",
-			"machine-id", "man_db.conf", "modprobe.d", "modules-load.d", "mtab", "nanorc",
-			"netgroup", "NetworkManager", "nix", "nixos", "NIXOS", "nscd.conf", "nsswitch.conf",
-			"opensnitchd", "os-release", "pam", "pam.d", "passwd", "pipewire", "pki", "polkit-1",
-			"profile", "protocols", "qemu", "resolv.conf", "resolvconf.conf", "rpc", "samba",
-			"sddm.conf", "secureboot", "services", "set-environment", "shadow", "shells", "ssh",
-			"ssl", "static", "subgid", "subuid", "sudoers", "sysctl.d", "systemd", "terminfo",
-			"tmpfiles.d", "udev", "udisks2", "UPower", "vconsole.conf", "X11", "zfs", "zinputrc",
-			"zoneinfo", "zprofile", "zshenv", "zshrc")
-
-	case "/var/lib/hakurei/base/org.debian":
-		return stubDirEntries("bin", "dev", "etc", "home", "lib64", "lost+found",
-			"mnt", "nix", "proc", "root", "run", "srv", "sys", "tmp", "usr", "var")
-
-	default:
-		panic(fmt.Sprintf("attempted to read unexpected directory %q", name))
-	}
-}
-
-func (k *stubNixOS) tempdir() string { return "/tmp/" }
-
-func (k *stubNixOS) evalSymlinks(path string) (string, error) {
-	switch path {
-	case "/var/run/nscd":
-		return "/run/nscd", nil
-	case "/run/user/1971":
-		return "/run/user/1971", nil
-	case "/tmp/hakurei.0":
-		return "/tmp/hakurei.0", nil
-	case "/var/run/dbus":
-		return "/run/dbus", nil
-	case "/dev/kvm":
-		return "/dev/kvm", nil
-	case "/etc/":
-		return "/etc/", nil
-	case "/bin":
-		return "/bin", nil
-	case "/boot":
-		return "/boot", nil
-	case "/home":
-		return "/home", nil
-	case "/lib":
-		return "/lib", nil
-	case "/lib64":
-		return "/lib64", nil
-	case "/nix":
-		return "/nix", nil
-	case "/root":
-		return "/root", nil
-	case "/run":
-		return "/run", nil
-	case "/srv":
-		return "/srv", nil
-	case "/sys":
-		return "/sys", nil
-	case "/usr":
-		return "/usr", nil
-	case "/var":
-		return "/var", nil
-	case "/dev/dri":
-		return "/dev/dri", nil
-	case "/usr/bin/":
-		return "/usr/bin/", nil
-	case "/nix/store":
-		return "/nix/store", nil
-	case "/run/current-system":
-		return "/nix/store/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-nixos-system-satori-25.05.99999999.aaaaaaa", nil
-	case "/sys/block":
-		return "/sys/block", nil
-	case "/sys/bus":
-		return "/sys/bus", nil
-	case "/sys/class":
-		return "/sys/class", nil
-	case "/sys/dev":
-		return "/sys/dev", nil
-	case "/sys/devices":
-		return "/sys/devices", nil
-	case "/run/opengl-driver":
-		return "/nix/store/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-graphics-drivers", nil
-	case "/var/lib/persist/module/hakurei/0/1":
-		return "/var/lib/persist/module/hakurei/0/1", nil
-
-	case "/var/lib/hakurei/nix/u0/org.chromium.Chromium/rw-store/upper":
-		return "/var/lib/hakurei/nix/u0/org.chromium.Chromium/rw-store/upper", nil
-	case "/var/lib/hakurei/nix/u0/org.chromium.Chromium/rw-store/work":
-		return "/var/lib/hakurei/nix/u0/org.chromium.Chromium/rw-store/work", nil
-	case "/var/lib/hakurei/base/org.nixos/ro-store":
-		return "/var/lib/hakurei/base/org.nixos/ro-store", nil
-	case "/var/lib/hakurei/u0/org.chromium.Chromium":
-		return "/var/lib/hakurei/u0/org.chromium.Chromium", nil
-	case "/var/lib/hakurei/base/org.debian/bin":
-		return "/var/lib/hakurei/base/org.debian/bin", nil
-	case "/var/lib/hakurei/base/org.debian/home":
-		return "/var/lib/hakurei/base/org.debian/home", nil
-	case "/var/lib/hakurei/base/org.debian/lib64":
-		return "/var/lib/hakurei/base/org.debian/lib64", nil
-	case "/var/lib/hakurei/base/org.debian/lost+found":
-		return "/var/lib/hakurei/base/org.debian/lost+found", nil
-	case "/var/lib/hakurei/base/org.debian/nix":
-		return "/var/lib/hakurei/base/org.debian/nix", nil
-	case "/var/lib/hakurei/base/org.debian/root":
-		return "/var/lib/hakurei/base/org.debian/root", nil
-	case "/var/lib/hakurei/base/org.debian/run":
-		return "/var/lib/hakurei/base/org.debian/run", nil
-	case "/var/lib/hakurei/base/org.debian/srv":
-		return "/var/lib/hakurei/base/org.debian/srv", nil
-	case "/var/lib/hakurei/base/org.debian/sys":
-		return "/var/lib/hakurei/base/org.debian/sys", nil
-	case "/var/lib/hakurei/base/org.debian/usr":
-		return "/var/lib/hakurei/base/org.debian/usr", nil
-	case "/var/lib/hakurei/base/org.debian/var":
-		return "/var/lib/hakurei/base/org.debian/var", nil
-
-	default:
-		panic(fmt.Sprintf("attempted to evaluate unexpected path %q", path))
-	}
-}
-
-func (k *stubNixOS) lookupGroupId(name string) (string, error) {
-	switch name {
-	case "video":
-		return "26", nil
-	default:
-		return "", user.UnknownGroupError(name)
-	}
-}
-
-func (k *stubNixOS) cmdOutput(cmd *exec.Cmd) ([]byte, error) {
-	switch cmd.Path {
-	case "/proc/nonexistent/hsu":
-		return []byte{'0'}, nil
-	default:
-		panic(fmt.Sprintf("unexpected cmd %#v", cmd))
-	}
-}
-
-func (k *stubNixOS) overflowUid(message.Msg) int { return 65534 }
-func (k *stubNixOS) overflowGid(message.Msg) int { return 65534 }
-
-func (k *stubNixOS) mustHsuPath() *check.Absolute { return m("/proc/nonexistent/hsu") }
-
-func (k *stubNixOS) dbusAddress() (string, string) {
-	return "unix:path=/run/user/1971/bus", "unix:path=/var/run/dbus/system_bus_socket"
-}
-
-func (k *stubNixOS) fatalf(format string, v ...any) { panic(fmt.Sprintf(format, v...)) }
-
-func (k *stubNixOS) isVerbose() bool                  { return true }
-func (k *stubNixOS) verbose(v ...any)                 { log.Print(v...) }
-func (k *stubNixOS) verbosef(format string, v ...any) { log.Printf(format, v...) }