diffcore-rename: cache file deltas

diff --git a/git-gui/lib/checkout_op.tcl b/git-gui/lib/checkout_op.tcl
index 170f737f611b48fa901e1789ec6d4f4d64834537..76f04f2854e85d51caface604d4fc10627f67620 100644 (file)
--- a/git-gui/lib/checkout_op.tcl
+++ b/git-gui/lib/checkout_op.tcl
@@ -396,7 +396,7 @@ method _after_readtree {} {
                        set is_detached 0
                }
        } else {
-               if {$new_hash ne $HEAD} {
+               if {!$is_detached || $new_hash ne $HEAD} {
                        append log " to $new_expr"
                        if {[catch {
                                        _detach_HEAD $log $new_hash