1 files changed, 75 insertions, 0 deletions
diff --git a/object/fetch/treefs_info.go b/object/fetch/treefs_info.go
new file mode 100644
index 00000000..eecf183d
--- /dev/null
+++ b/object/fetch/treefs_info.go
@@ -0,0 +1,75 @@
+package fetch
+
+import (
+	"io/fs"
+	"time"
+
+	"codeberg.org/lindenii/furgit/object/tree"
+)
+
+type treeFSInfo struct {
+	name  string
+	mode  fs.FileMode
+	size  int64
+	sys   any
+	isDir bool
+}
+
+var (
+	_ fs.FileInfo = (*treeFSInfo)(nil)
+	_ fs.DirEntry = (*treeFSInfo)(nil)
+)
+
+func (info *treeFSInfo) Name() string       { return info.name }
+func (info *treeFSInfo) Size() int64        { return info.size }
+func (info *treeFSInfo) Mode() fs.FileMode  { return info.mode }
+func (info *treeFSInfo) Type() fs.FileMode  { return info.mode.Type() }
+func (info *treeFSInfo) IsDir() bool        { return info.isDir }
+func (info *treeFSInfo) ModTime() time.Time { return time.Time{} }
+func (info *treeFSInfo) Sys() any           { return info.sys }
+func (info *treeFSInfo) Info() (fs.FileInfo, error) {
+	return info, nil
+}
+
+func treeFSEntryMode(mode tree.FileMode) fs.FileMode {
+	switch mode {
+	case tree.FileModeDir:
+		return fs.ModeDir | 0o555
+	case tree.FileModeRegular:
+		return 0o444
+	case tree.FileModeExecutable:
+		return 0o555
+	case tree.FileModeSymlink:
+		return fs.ModeSymlink | 0o444
+	case tree.FileModeGitlink:
+		return fs.ModeIrregular
+	default:
+		return fs.ModeIrregular
+	}
+}
+
+func (treeFS *TreeFS) statEntry(entry treeEntryValue) (*treeFSInfo, error) {
+	size := int64(0)
+
+	if entry.mode == tree.FileModeRegular || entry.mode == tree.FileModeExecutable || entry.mode == tree.FileModeSymlink {
+		var err error
+
+		size, err = entry.blobSize(treeFS.resolver)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	var sys any
+	if entry.treeEntry != nil {
+		sys = *entry.treeEntry
+	}
+
+	return &treeFSInfo{
+		name:  entry.name,
+		mode:  treeFSEntryMode(entry.mode),
+		size:  size,
+		sys:   sys,
+		isDir: entry.isDir(),
+	}, nil
+}