all: use filepath

This makes package check portable, and removes nonportable behaviour from package pkg, pipewire, and system. All other packages remain nonportable due to their nature. No latency increase was observed due to this change on amd64 and arm64 linux.

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

check/absolute.go

@@ -5,7 +5,7 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"path"
+	"path/filepath"
 	"slices"
 	"strings"
 	"syscall"
@@ -61,7 +61,7 @@ func (a *Absolute) Is(v *Absolute) bool {
 
 // NewAbs checks pathname and returns a new [Absolute] if pathname is absolute.
 func NewAbs(pathname string) (*Absolute, error) {
-	if !path.IsAbs(pathname) {
+	if !filepath.IsAbs(pathname) {
 		return nil, AbsoluteError(pathname)
 	}
 	return unsafeAbs(pathname), nil
@@ -76,13 +76,13 @@ func MustAbs(pathname string) *Absolute {
 	}
 }
 
-// Append calls [path.Join] with [Absolute] as the first element.
+// Append calls [filepath.Join] with [Absolute] as the first element.
 func (a *Absolute) Append(elem ...string) *Absolute {
-	return unsafeAbs(path.Join(append([]string{a.String()}, elem...)...))
+	return unsafeAbs(filepath.Join(append([]string{a.String()}, elem...)...))
 }
 
-// Dir calls [path.Dir] with [Absolute] as its argument.
-func (a *Absolute) Dir() *Absolute { return unsafeAbs(path.Dir(a.String())) }
+// Dir calls [filepath.Dir] with [Absolute] as its argument.
+func (a *Absolute) Dir() *Absolute { return unsafeAbs(filepath.Dir(a.String())) }
 
 // GobEncode returns the checked pathname.
 func (a *Absolute) GobEncode() ([]byte, error) {
@@ -92,7 +92,7 @@ func (a *Absolute) GobEncode() ([]byte, error) {
 // GobDecode stores data if it represents an absolute pathname.
 func (a *Absolute) GobDecode(data []byte) error {
 	pathname := string(data)
-	if !path.IsAbs(pathname) {
+	if !filepath.IsAbs(pathname) {
 		return AbsoluteError(pathname)
 	}
 	a.pathname = unique.Make(pathname)
@@ -110,7 +110,7 @@ func (a *Absolute) UnmarshalJSON(data []byte) error {
 	if err := json.Unmarshal(data, &pathname); err != nil {
 		return err
 	}
-	if !path.IsAbs(pathname) {
+	if !filepath.IsAbs(pathname) {
 		return AbsoluteError(pathname)
 	}
 	a.pathname = unique.Make(pathname)

cmd/hsu/main.go

@@ -58,7 +58,7 @@ import (
 	"fmt"
 	"log"
 	"os"
-	"path"
+	"path/filepath"
 	"runtime"
 	"slices"
 	"strconv"
@@ -102,13 +102,13 @@ func main() {
 		log.Fatal("this program must not be started by root")
 	}
 
-	if !path.IsAbs(hakureiPath) {
+	if !filepath.IsAbs(hakureiPath) {
 		log.Fatal("this program is compiled incorrectly")
 		return
 	}
 
 	var toolPath string
-	pexe := path.Join("/proc", strconv.Itoa(os.Getppid()), "exe")
+	pexe := filepath.Join("/proc", strconv.Itoa(os.Getppid()), "exe")
 	if p, err := os.Readlink(pexe); err != nil {
 		log.Fatalf("cannot read parent executable path: %v", err)
 	} else if strings.HasSuffix(p, " (deleted)") {

cmd/sharefs/fuse.go

@@ -24,7 +24,7 @@ import (
 	"os"
 	"os/exec"
 	"os/signal"
-	"path"
+	"path/filepath"
 	"runtime"
 	"runtime/cgo"
 	"strconv"
@@ -145,9 +145,9 @@ func sharefs_destroy(private_data unsafe.Pointer) {
 func showHelp(args *fuseArgs) {
 	executableName := sharefsName
 	if args.argc > 0 {
-		executableName = path.Base(C.GoString(*args.argv))
+		executableName = filepath.Base(C.GoString(*args.argv))
 	} else if name, err := os.Executable(); err == nil {
-		executableName = path.Base(name)
+		executableName = filepath.Base(name)
 	}
 
 	fmt.Printf("usage: %s [options] <mountpoint>\n\n", executableName)

container/init.go

@@ -8,7 +8,7 @@ import (
 	"os"
 	"os/exec"
 	"os/signal"
-	"path"
+	"path/filepath"
 	"slices"
 	"strconv"
 	"sync"
@@ -569,7 +569,7 @@ func TryArgv0(msg message.Msg) {
 		msg = message.New(log.Default())
 	}
 
-	if len(os.Args) > 0 && path.Base(os.Args[0]) == initName {
+	if len(os.Args) > 0 && filepath.Base(os.Args[0]) == initName {
 		Init(msg)
 		msg.BeforeExit()
 		os.Exit(0)

container/initdev.go

@@ -3,7 +3,7 @@ package container
 import (
 	"encoding/gob"
 	"fmt"
-	"path"
+	"path/filepath"
 	. "syscall"
 
 	"hakurei.app/check"
@@ -46,7 +46,7 @@ func (d *MountDevOp) apply(state *setupState, k syscallDispatcher) error {
 	}
 
 	for _, name := range []string{"null", "zero", "full", "random", "urandom", "tty"} {
-		targetPath := path.Join(target, name)
+		targetPath := filepath.Join(target, name)
 		if err := k.ensureFile(targetPath, 0444, state.ParentPerm); err != nil {
 			return err
 		}
@@ -62,7 +62,7 @@ func (d *MountDevOp) apply(state *setupState, k syscallDispatcher) error {
 	for i, name := range []string{"stdin", "stdout", "stderr"} {
 		if err := k.symlink(
 			fhs.Proc+"self/fd/"+string(rune(i+'0')),
-			path.Join(target, name),
+			filepath.Join(target, name),
 		); err != nil {
 			return err
 		}
@@ -72,13 +72,13 @@ func (d *MountDevOp) apply(state *setupState, k syscallDispatcher) error {
 		{fhs.Proc + "kcore", "core"},
 		{"pts/ptmx", "ptmx"},
 	} {
-		if err := k.symlink(pair[0], path.Join(target, pair[1])); err != nil {
+		if err := k.symlink(pair[0], filepath.Join(target, pair[1])); err != nil {
 			return err
 		}
 	}
 
-	devShmPath := path.Join(target, "shm")
-	devPtsPath := path.Join(target, "pts")
+	devShmPath := filepath.Join(target, "shm")
+	devPtsPath := filepath.Join(target, "pts")
 	for _, name := range []string{devShmPath, devPtsPath} {
 		if err := k.mkdir(name, state.ParentPerm); err != nil {
 			return err
@@ -92,7 +92,7 @@ func (d *MountDevOp) apply(state *setupState, k syscallDispatcher) error {
 
 	if state.RetainSession {
 		if k.isatty(Stdout) {
-			consolePath := path.Join(target, "console")
+			consolePath := filepath.Join(target, "console")
 			if err := k.ensureFile(consolePath, 0444, state.ParentPerm); err != nil {
 				return err
 			}
@@ -110,7 +110,7 @@ func (d *MountDevOp) apply(state *setupState, k syscallDispatcher) error {
 	}
 
 	if d.Mqueue {
-		mqueueTarget := path.Join(target, "mqueue")
+		mqueueTarget := filepath.Join(target, "mqueue")
 		if err := k.mkdir(mqueueTarget, state.ParentPerm); err != nil {
 			return err
 		}

container/initsymlink.go

@@ -3,7 +3,7 @@ package container
 import (
 	"encoding/gob"
 	"fmt"
-	"path"
+	"path/filepath"
 
 	"hakurei.app/check"
 )
@@ -30,7 +30,7 @@ func (l *SymlinkOp) Valid() bool { return l != nil && l.Target != nil && l.LinkN
 
 func (l *SymlinkOp) early(_ *setupState, k syscallDispatcher) error {
 	if l.Dereference {
-		if !path.IsAbs(l.LinkName) {
+		if !filepath.IsAbs(l.LinkName) {
 			return check.AbsoluteError(l.LinkName)
 		}
 		if name, err := k.readlink(l.LinkName); err != nil {
@@ -44,7 +44,7 @@ func (l *SymlinkOp) early(_ *setupState, k syscallDispatcher) error {
 
 func (l *SymlinkOp) apply(state *setupState, k syscallDispatcher) error {
 	target := toSysroot(l.Target.String())
-	if err := k.mkdirAll(path.Dir(target), state.ParentPerm); err != nil {
+	if err := k.mkdirAll(filepath.Dir(target), state.ParentPerm); err != nil {
 		return err
 	}
 	return k.symlink(l.LinkName, target)

container/path.go

@@ -4,7 +4,7 @@ import (
 	"errors"
 	"io/fs"
 	"os"
-	"path"
+	"path/filepath"
 	"strconv"
 	"strings"
 	"syscall"
@@ -29,16 +29,16 @@ const (
 
 func toSysroot(name string) string {
 	name = strings.TrimLeftFunc(name, func(r rune) bool { return r == '/' })
-	return path.Join(sysrootPath, name)
+	return filepath.Join(sysrootPath, name)
 }
 
 func toHost(name string) string {
 	name = strings.TrimLeftFunc(name, func(r rune) bool { return r == '/' })
-	return path.Join(hostPath, name)
+	return filepath.Join(hostPath, name)
 }
 
 func createFile(name string, perm, pperm os.FileMode, content []byte) error {
-	if err := os.MkdirAll(path.Dir(name), pperm); err != nil {
+	if err := os.MkdirAll(filepath.Dir(name), pperm); err != nil {
 		return err
 	}
 	f, err := os.OpenFile(name, syscall.O_CREAT|syscall.O_EXCL|syscall.O_WRONLY, perm)

container/path_test.go

@@ -4,7 +4,7 @@ import (
 	"io"
 	"math"
 	"os"
-	"path"
+	"path/filepath"
 	"reflect"
 	"syscall"
 	"testing"
@@ -61,7 +61,7 @@ func TestCreateFile(t *testing.T) {
 				Path: "/proc/nonexistent",
 				Err:  syscall.ENOENT,
 			}
-			if err := createFile(path.Join(Nonexistent, ":3"), 0644, 0755, nil); !reflect.DeepEqual(err, wantErr) {
+			if err := createFile(filepath.Join(Nonexistent, ":3"), 0644, 0755, nil); !reflect.DeepEqual(err, wantErr) {
 				t.Errorf("createFile: error = %#v, want %#v", err, wantErr)
 			}
 		})
@@ -72,7 +72,7 @@ func TestCreateFile(t *testing.T) {
 				Path: "/proc/nonexistent",
 				Err:  syscall.ENOENT,
 			}
-			if err := createFile(path.Join(Nonexistent), 0644, 0755, nil); !reflect.DeepEqual(err, wantErr) {
+			if err := createFile(filepath.Join(Nonexistent), 0644, 0755, nil); !reflect.DeepEqual(err, wantErr) {
 				t.Errorf("createFile: error = %#v, want %#v", err, wantErr)
 			}
 		})
@@ -80,7 +80,7 @@ func TestCreateFile(t *testing.T) {
 
 	t.Run("touch", func(t *testing.T) {
 		tempDir := t.TempDir()
-		pathname := path.Join(tempDir, "empty")
+		pathname := filepath.Join(tempDir, "empty")
 		if err := createFile(pathname, 0644, 0755, nil); err != nil {
 			t.Fatalf("createFile: error = %v", err)
 		}
@@ -93,7 +93,7 @@ func TestCreateFile(t *testing.T) {
 
 	t.Run("write", func(t *testing.T) {
 		tempDir := t.TempDir()
-		pathname := path.Join(tempDir, "zero")
+		pathname := filepath.Join(tempDir, "zero")
 		if err := createFile(pathname, 0644, 0755, []byte{0}); err != nil {
 			t.Fatalf("createFile: error = %v", err)
 		}
@@ -107,7 +107,7 @@ func TestCreateFile(t *testing.T) {
 
 func TestEnsureFile(t *testing.T) {
 	t.Run("create", func(t *testing.T) {
-		if err := ensureFile(path.Join(t.TempDir(), "ensure"), 0644, 0755); err != nil {
+		if err := ensureFile(filepath.Join(t.TempDir(), "ensure"), 0644, 0755); err != nil {
 			t.Errorf("ensureFile: error = %v", err)
 		}
 	})
@@ -115,7 +115,7 @@ func TestEnsureFile(t *testing.T) {
 	t.Run("stat", func(t *testing.T) {
 		t.Run("inaccessible", func(t *testing.T) {
 			tempDir := t.TempDir()
-			pathname := path.Join(tempDir, "inaccessible")
+			pathname := filepath.Join(tempDir, "inaccessible")
 			if f, err := os.Create(pathname); err != nil {
 				t.Fatalf("Create: error = %v", err)
 			} else {
@@ -150,7 +150,7 @@ func TestEnsureFile(t *testing.T) {
 
 		t.Run("ensure", func(t *testing.T) {
 			tempDir := t.TempDir()
-			pathname := path.Join(tempDir, "ensure")
+			pathname := filepath.Join(tempDir, "ensure")
 			if f, err := os.Create(pathname); err != nil {
 				t.Fatalf("Create: error = %v", err)
 			} else {
@@ -195,12 +195,12 @@ func TestProcPaths(t *testing.T) {
 
 		t.Run("sample", func(t *testing.T) {
 			tempDir := t.TempDir()
-			if err := os.MkdirAll(path.Join(tempDir, "proc/self"), 0755); err != nil {
+			if err := os.MkdirAll(filepath.Join(tempDir, "proc/self"), 0755); err != nil {
 				t.Fatalf("MkdirAll: error = %v", err)
 			}
 
 			t.Run("clean", func(t *testing.T) {
-				if err := os.WriteFile(path.Join(tempDir, "proc/self/mountinfo"), []byte(`15 20 0:3 / /proc rw,relatime - proc /proc rw
+				if err := os.WriteFile(filepath.Join(tempDir, "proc/self/mountinfo"), []byte(`15 20 0:3 / /proc rw,relatime - proc /proc rw
 16 20 0:15 / /sys rw,relatime - sysfs /sys rw
 17 20 0:5 / /dev rw,relatime - devtmpfs udev rw,size=1983516k,nr_inodes=495879,mode=755`), 0644); err != nil {
 					t.Fatalf("WriteFile: error = %v", err)
@@ -243,8 +243,8 @@ func TestProcPaths(t *testing.T) {
 			})
 
 			t.Run("malformed", func(t *testing.T) {
-				path.Join(tempDir, "proc/self/mountinfo")
-				if err := os.WriteFile(path.Join(tempDir, "proc/self/mountinfo"), []byte{0}, 0644); err != nil {
+				filepath.Join(tempDir, "proc/self/mountinfo")
+				if err := os.WriteFile(filepath.Join(tempDir, "proc/self/mountinfo"), []byte{0}, 0644); err != nil {
 					t.Fatalf("WriteFile: error = %v", err)
 				}
 

hst/fslink.go

@@ -2,7 +2,7 @@ package hst
 
 import (
 	"encoding/gob"
-	"path"
+	"path/filepath"
 
 	"hakurei.app/check"
 )
@@ -28,7 +28,7 @@ func (l *FSLink) Valid() bool {
 	if l == nil || l.Target == nil || l.Linkname == "" {
 		return false
 	}
-	return !l.Dereference || path.IsAbs(l.Linkname)
+	return !l.Dereference || filepath.IsAbs(l.Linkname)
 }
 
 func (l *FSLink) Path() *check.Absolute {

internal/acl/acl_test.go

@@ -8,7 +8,7 @@ import (
 	"io"
 	"os"
 	"os/exec"
-	"path"
+	"path/filepath"
 	"reflect"
 	"strconv"
 	"testing"
@@ -28,7 +28,7 @@ func TestUpdate(t *testing.T) {
 		t.Skip("acl test skipped")
 	}
 
-	testFilePath := path.Join(t.TempDir(), testFileName)
+	testFilePath := filepath.Join(t.TempDir(), testFileName)
 
 	if f, err := os.Create(testFilePath); err != nil {
 		t.Fatalf("Create: error = %v", err)

internal/outcome/spcontainer.go

@@ -5,7 +5,7 @@ import (
 	"errors"
 	"io/fs"
 	"os"
-	"path"
+	"path/filepath"
 	"slices"
 	"strconv"
 	"syscall"
@@ -165,9 +165,9 @@ func (s *spFilesystemOp) toSystem(state *outcomeStateSys) error {
 			}
 			for _, pair := range entry.Values {
 				if pair[0] == "path" {
-					if path.IsAbs(pair[1]) {
+					if filepath.IsAbs(pair[1]) {
 						// get parent dir of socket
-						dir := path.Dir(pair[1])
+						dir := filepath.Dir(pair[1])
 						if dir == "." || dir == fhs.Root {
 							state.msg.Verbosef("dbus socket %q is in an unusual location", pair[1])
 						}

internal/pipewire/pipewire.go

@@ -20,7 +20,7 @@ import (
 	"fmt"
 	"io"
 	"os"
-	"path"
+	"path/filepath"
 	"runtime"
 	"slices"
 	"strconv"
@@ -973,23 +973,23 @@ func connectName(name string, manager bool) (conn Conn, err error) {
 		return connectName(name+"-manager", false)
 	}
 
-	if path.IsAbs(name) || (len(name) > 0 && name[0] == '@') {
+	if filepath.IsAbs(name) || (len(name) > 0 && name[0] == '@') {
 		return Dial(name)
 	} else {
 		runtimeDir, ok := os.LookupEnv("PIPEWIRE_RUNTIME_DIR")
-		if !ok || !path.IsAbs(runtimeDir) {
+		if !ok || !filepath.IsAbs(runtimeDir) {
 			runtimeDir, ok = os.LookupEnv("XDG_RUNTIME_DIR")
 		}
-		if !ok || !path.IsAbs(runtimeDir) {
+		if !ok || !filepath.IsAbs(runtimeDir) {
 			// this is cargo culted from windows stuff and has no effect normally;
 			// keeping it to maintain compatibility in case someone sets this
 			runtimeDir, ok = os.LookupEnv("USERPROFILE")
 		}
 
-		if !ok || !path.IsAbs(runtimeDir) {
+		if !ok || !filepath.IsAbs(runtimeDir) {
 			runtimeDir = DEFAULT_SYSTEM_RUNTIME_DIR
 		}
-		return Dial(path.Join(runtimeDir, name))
+		return Dial(filepath.Join(runtimeDir, name))
 	}
 }
 

internal/pkg/exec.go

@@ -8,7 +8,7 @@ import (
 	"io"
 	"os"
 	"os/exec"
-	"path"
+	"path/filepath"
 	"slices"
 	"strconv"
 	"syscall"
@@ -189,7 +189,7 @@ func NewExec(
 	paths ...ExecPath,
 ) Artifact {
 	if name == "" {
-		name = "exec-" + path.Base(pathname.String())
+		name = "exec-" + filepath.Base(pathname.String())
 	}
 	if timeout <= 0 {
 		timeout = ExecTimeoutDefault

internal/pkg/pkg.go

@@ -16,7 +16,6 @@ import (
 	"iter"
 	"maps"
 	"os"
-	"path"
 	"path/filepath"
 	"runtime"
 	"slices"
@@ -894,7 +893,7 @@ func (c *Cache) Scrub(checks int) error {
 					se.DanglingIdentifiers = append(se.DanglingIdentifiers, *want)
 					seMu.Unlock()
 					return false
-				} else if err = Decode(got, path.Base(linkname)); err != nil {
+				} else if err = Decode(got, filepath.Base(linkname)); err != nil {
 					seMu.Lock()
 					lnp := dir.Append(linkname)
 					se.Errs[lnp.Handle()] = append(se.Errs[lnp.Handle()], err)
@@ -1488,7 +1487,7 @@ func (c *Cache) cure(a Artifact, curesExempt bool) (
 			return
 		}
 		buf := c.getIdentBuf()
-		err = Decode((*Checksum)(buf[:]), path.Base(name))
+		err = Decode((*Checksum)(buf[:]), filepath.Base(name))
 		if err == nil {
 			checksum = unique.Make(Checksum(buf[:]))
 		}

internal/pkg/tar.go

@@ -10,7 +10,7 @@ import (
 	"io/fs"
 	"net/http"
 	"os"
-	"path"
+	"path/filepath"
 )
 
 const (
@@ -169,7 +169,7 @@ func (a *tarArtifact) Cure(t *TContext) (err error) {
 		}
 
 		if typeflag >= '0' && typeflag <= '9' && typeflag != tar.TypeDir {
-			if err = root.MkdirAll(path.Dir(header.Name), 0700); err != nil {
+			if err = root.MkdirAll(filepath.Dir(header.Name), 0700); err != nil {
 				return
 			}
 		}

internal/pkg/testdata/main.go

@@ -7,7 +7,7 @@ import (
 	"log"
 	"net"
 	"os"
-	"path"
+	"path/filepath"
 	"reflect"
 	"slices"
 	"strings"
@@ -68,7 +68,7 @@ func main() {
 	if got, err := os.Executable(); err != nil {
 		log.Fatalf("Executable: error = %v", err)
 	} else {
-		iftPath = path.Join(path.Dir(path.Dir(got)), "ift")
+		iftPath = filepath.Join(filepath.Dir(filepath.Dir(got)), "ift")
 
 		if got != wantExec {
 			switch got {
@@ -161,7 +161,7 @@ func main() {
 			}
 		}
 		if !layers {
-			if path.Base(lowerdir) != checksumEmptyDir {
+			if filepath.Base(lowerdir) != checksumEmptyDir {
 				log.Fatal("unexpected artifact checksum")
 			}
 		} else {
@@ -187,8 +187,8 @@ func main() {
 			}
 
 			if len(lowerdirs) != 2 ||
-				path.Base(lowerdirs[0]) != "MGWmEfjut2QE2xPJwTsmUzpff4BN_FEnQ7T0j7gvUCCiugJQNwqt9m151fm9D1yU" ||
-				path.Base(lowerdirs[1]) != "nY_CUdiaUM1OL4cPr5TS92FCJ3rCRV7Hm5oVTzAvMXwC03_QnTRfQ5PPs7mOU9fK" {
+				filepath.Base(lowerdirs[0]) != "MGWmEfjut2QE2xPJwTsmUzpff4BN_FEnQ7T0j7gvUCCiugJQNwqt9m151fm9D1yU" ||
+				filepath.Base(lowerdirs[1]) != "nY_CUdiaUM1OL4cPr5TS92FCJ3rCRV7Hm5oVTzAvMXwC03_QnTRfQ5PPs7mOU9fK" {
 				log.Fatalf("unexpected lowerdirs %s", strings.Join(lowerdirs, ", "))
 			}
 		}
@@ -202,12 +202,12 @@ func main() {
 		}
 
 		next()
-		if path.Base(m.Root) != "OLBgp1GsljhM2TJ-sbHjaiH9txEUvgdDTAzHv2P24donTt6_529l-9Ua0vFImLlb" {
+		if filepath.Base(m.Root) != "OLBgp1GsljhM2TJ-sbHjaiH9txEUvgdDTAzHv2P24donTt6_529l-9Ua0vFImLlb" {
 			log.Fatal("unexpected file artifact checksum")
 		}
 
 		next()
-		if path.Base(m.Root) != checksumEmptyDir {
+		if filepath.Base(m.Root) != checksumEmptyDir {
 			log.Fatal("unexpected artifact checksum")
 		}
 	}
@@ -226,13 +226,13 @@ func main() {
 			log.Fatal("unexpected work mount entry")
 		}
 	} else {
-		if path.Base(m.Root) != ident || m.Target != "/work" {
+		if filepath.Base(m.Root) != ident || m.Target != "/work" {
 			log.Fatal("unexpected work mount entry")
 		}
 	}
 
 	next()
-	if path.Base(m.Root) != ident || m.Target != "/tmp" {
+	if filepath.Base(m.Root) != ident || m.Target != "/tmp" {
 		log.Fatal("unexpected temp mount entry")
 	}
 

internal/rosa/cmake.go

@@ -1,7 +1,7 @@
 package rosa
 
 import (
-	"path"
+	"path/filepath"
 	"slices"
 	"strings"
 
@@ -200,7 +200,7 @@ cmake -G ` + generate + ` \
 		}
 	}), " \\\n\t") + ` \
 	-DCMAKE_INSTALL_PREFIX=/system \
-	'/usr/src/` + name + `/` + path.Join(attr.Append...) + `'
+	'/usr/src/` + name + `/` + filepath.Join(attr.Append...) + `'
 cmake --build .` + jobs + `
 cmake --install . --prefix=/work/system
 ` + attr.Script

internal/rosa/report_test.go

@@ -3,7 +3,7 @@ package rosa_test
 import (
 	"errors"
 	"os"
-	"path"
+	"path/filepath"
 	"syscall"
 	"testing"
 	"unique"
@@ -13,7 +13,7 @@ import (
 )
 
 func TestReportZeroLength(t *testing.T) {
-	report := path.Join(t.TempDir(), "report")
+	report := filepath.Join(t.TempDir(), "report")
 	if err := os.WriteFile(report, nil, 0400); err != nil {
 		t.Fatal(err)
 	}
@@ -24,7 +24,7 @@ func TestReportZeroLength(t *testing.T) {
 }
 
 func TestReportSIGSEGV(t *testing.T) {
-	report := path.Join(t.TempDir(), "report")
+	report := filepath.Join(t.TempDir(), "report")
 	if err := os.WriteFile(report, make([]byte, 64), 0400); err != nil {
 		t.Fatal(err)
 	}

internal/system/pipewire_test.go

@@ -3,7 +3,7 @@ package system
 import (
 	"fmt"
 	"os"
-	"path"
+	"path/filepath"
 	"syscall"
 	"testing"
 	"time"
@@ -18,7 +18,7 @@ func TestPipeWireOp(t *testing.T) {
 
 	checkOpBehaviour(t, checkNoParallel, []opBehaviourTestCase{
 		{"success", 0xbeef, 0xff, &pipewireOp{nil,
-			m(path.Join(t.TempDir(), "pipewire")),
+			m(filepath.Join(t.TempDir(), "pipewire")),
 			"org.chromium.Chromium",
 			"ebf083d1b175911782d413369b64ce7c",
 		}, []stub.Call{

internal/wayland/conn_test.go

@@ -3,7 +3,7 @@ package wayland
 import (
 	"errors"
 	"os"
-	"path"
+	"path/filepath"
 	"reflect"
 	"syscall"
 	"testing"
@@ -19,7 +19,7 @@ func TestSecurityContextClose(t *testing.T) {
 	}
 
 	var ctx SecurityContext
-	if f, err := os.Create(path.Join(t.TempDir(), "remove")); err != nil {
+	if f, err := os.Create(filepath.Join(t.TempDir(), "remove")); err != nil {
 		t.Fatal(err)
 	} else {
 		ctx.bindPath = check.MustAbs(f.Name())

test/internal/sandbox/assert.go

@@ -17,7 +17,7 @@ import (
 	"log"
 	"net"
 	"os"
-	"path"
+	"path/filepath"
 	"syscall"
 )
 
@@ -54,7 +54,7 @@ func (t *T) MustCheckFile(wantFilePath string) {
 }
 
 func mustAbs(s string) string {
-	if !path.IsAbs(s) {
+	if !filepath.IsAbs(s) {
 		fatalf("[FAIL] %q is not absolute", s)
 		panic("unreachable")
 	}
@@ -68,7 +68,7 @@ func (t *T) MustCheck(want *TestCase) {
 		os.Getenv("XDG_RUNTIME_DIR"),
 	}
 	for _, a := range checkWritableDirPaths {
-		pathname := path.Join(mustAbs(a), ".hakurei-check")
+		pathname := filepath.Join(mustAbs(a), ".hakurei-check")
 		if err := os.WriteFile(pathname, make([]byte, 1<<8), 0600); err != nil {
 			fatalf("[FAIL] %s", err)
 		} else if err = os.Remove(pathname); err != nil {

test/internal/sandbox/assert_test.go

@@ -5,7 +5,7 @@ package sandbox
 import (
 	"encoding/json"
 	"os"
-	"path"
+	"path/filepath"
 	"testing"
 )
 
@@ -15,7 +15,7 @@ func SwapPrint(f F) (old F) { old = printfFunc; printfFunc = f; return }
 func SwapFatal(f F) (old F) { old = fatalfFunc; fatalfFunc = f; return }
 
 func MustWantFile(t *testing.T, v any) (wantFile string) {
-	wantFile = path.Join(t.TempDir(), "want.json")
+	wantFile = filepath.Join(t.TempDir(), "want.json")
 	if f, err := os.OpenFile(wantFile, os.O_CREATE|os.O_WRONLY, 0400); err != nil {
 		t.Fatalf("cannot create %q: %v", wantFile, err)
 	} else if err = json.NewEncoder(f).Encode(v); err != nil {

test/internal/sandbox/fs.go

@@ -6,7 +6,7 @@ import (
 	"errors"
 	"fmt"
 	"io/fs"
-	"path"
+	"path/filepath"
 	"strings"
 )
 
@@ -68,7 +68,7 @@ func (s *FS) Compare(prefix string, e fs.FS) error {
 			printDir(prefix, dir)
 			return ErrFSInvalidEnt
 		} else {
-			name = path.Join(prefix, name)
+			name = filepath.Join(prefix, name)
 
 			if fi, err := got.Info(); err != nil {
 				return err

test/internal/sandbox/mount_test.go

@@ -4,7 +4,7 @@ package sandbox_test
 
 import (
 	"os"
-	"path"
+	"path/filepath"
 	"testing"
 
 	"hakurei.app/test/internal/sandbox"
@@ -87,7 +87,7 @@ func TestMountinfo(t *testing.T) {
 	}
 
 	for _, tc := range testCases {
-		name := path.Join(t.TempDir(), "sample")
+		name := filepath.Join(t.TempDir(), "sample")
 		if err := os.WriteFile(name, []byte(tc.sample), 0400); err != nil {
 			t.Fatalf("cannot write sample: %v", err)
 		}

vfs/mountinfo_test.go

@@ -5,7 +5,7 @@ import (
 	"errors"
 	"iter"
 	"os"
-	"path"
+	"path/filepath"
 	"reflect"
 	"slices"
 	"strconv"
@@ -394,7 +394,7 @@ func mn(
 		},
 		FirstChild:  firstChild,
 		NextSibling: nextSibling,
-		Clean:       path.Clean(target),
+		Clean:       filepath.Clean(target),
 		Covered:     covered,
 	}
 }

vfs/unfold.go

@@ -2,7 +2,7 @@ package vfs
 
 import (
 	"iter"
-	"path"
+	"path/filepath"
 	"strings"
 )
 
@@ -43,7 +43,7 @@ func (n *MountInfoNode) visit(yield func(*MountInfoNode) bool) bool {
 
 // Unfold unfolds the mount hierarchy and resolves covered paths.
 func (d *MountInfoDecoder) Unfold(target string) (*MountInfoNode, error) {
-	targetClean := path.Clean(target)
+	targetClean := filepath.Clean(target)
 
 	var mountinfoSize int
 	for range d.Entries() {
@@ -61,7 +61,7 @@ func (d *MountInfoDecoder) Unfold(target string) (*MountInfoNode, error) {
 	{
 		i := 0
 		for ent := range d.Entries() {
-			mountinfo[i] = &MountInfoNode{Clean: path.Clean(ent.Target), MountInfoEntry: ent}
+			mountinfo[i] = &MountInfoNode{Clean: filepath.Clean(ent.Target), MountInfoEntry: ent}
 			idIndex[ent.ID] = i
 			if mountinfo[i].Clean == targetClean {
 				targetIndex = i