object: modes in TreeEntry as os.FileMode, and not the git internal

Author: mcuadros

plumbing/object/tree.go

@@ -18,8 +18,12 @@ import (
 const (
 	maxTreeDepth      = 1024
 	startingStackSize = 8
-	submoduleMode     = 0160000
-	directoryMode     = 0040000
+
+	fileMode       = 0100644
+	executableMode = 0100755
+	submoduleMode  = 0160000
+	symlinkMode    = 0120000
+	treeMode       = 0040000
 )
 
 // New errors defined by this package.
@@ -240,9 +244,13 @@ func (t *Tree) decodeFileMode(mode string) (os.FileMode, error) {
 
 	m := os.FileMode(fm)
 	switch fm {
-	case 0040000: //tree
+	case fileMode:
+		m = 0644
+	case executableMode:
+		m = 0755
+	case treeMode:
 		m = m | os.ModeDir
-	case 0120000: //symlink
+	case symlinkMode:
 		m = m | os.ModeSymlink
 	}