all: sync with master; upd chlog

internal/aghrenameio/renameio_unix.go

@@ -0,0 +1,48 @@
+//go:build unix
+
+package aghrenameio
+
+import (
+	"io/fs"
+
+	"github.com/google/renameio/v2"
+)
+
+// pendingFile is a wrapper around [*renameio.PendingFile] making it an
+// [io.WriteCloser].
+type pendingFile struct {
+	file *renameio.PendingFile
+}
+
+// type check
+var _ PendingFile = pendingFile{}
+
+// Cleanup implements the [PendingFile] interface for pendingFile.
+func (f pendingFile) Cleanup() (err error) {
+	return f.file.Cleanup()
+}
+
+// CloseReplace implements the [PendingFile] interface for pendingFile.
+func (f pendingFile) CloseReplace() (err error) {
+	return f.file.CloseAtomicallyReplace()
+}
+
+// Write implements the [PendingFile] interface for pendingFile.
+func (f pendingFile) Write(b []byte) (n int, err error) {
+	return f.file.Write(b)
+}
+
+// NewPendingFile is a wrapper around [renameio.NewPendingFile].
+//
+// f.Close must be called to finish the renaming.
+func newPendingFile(filePath string, mode fs.FileMode) (f PendingFile, err error) {
+	file, err := renameio.NewPendingFile(filePath, renameio.WithPermissions(mode))
+	if err != nil {
+		// Don't wrap the error since it's informative enough as is.
+		return nil, err
+	}
+
+	return pendingFile{
+		file: file,
+	}, nil
+}