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-rw-r--r--lib/checkout_op.tcl30
1 files changed, 16 insertions, 14 deletions
diff --git a/lib/checkout_op.tcl b/lib/checkout_op.tcl
index 8c42ca8..40cc73a 100644
--- a/lib/checkout_op.tcl
+++ b/lib/checkout_op.tcl
@@ -385,22 +385,24 @@ method _after_readtree {} {
set rn [string length $rh]
if {[string equal -length $rn $rh $new_ref]} {
set new_branch [string range $new_ref $rn end]
- append log " to $new_branch"
-
- if {[catch {
- git symbolic-ref -m $log HEAD $new_ref
- } err]} {
- _fatal $this $err
+ if {$is_detached || $current_branch ne $new_branch} {
+ append log " to $new_branch"
+ if {[catch {
+ git symbolic-ref -m $log HEAD $new_ref
+ } err]} {
+ _fatal $this $err
+ }
+ set current_branch $new_branch
+ set is_detached 0
}
- set current_branch $new_branch
- set is_detached 0
} else {
- append log " to $new_expr"
-
- if {[catch {
- _detach_HEAD $log $new_hash
- } err]} {
- _fatal $this $err
+ if {$new_hash ne $HEAD} {
+ append log " to $new_expr"
+ if {[catch {
+ _detach_HEAD $log $new_hash
+ } err]} {
+ _fatal $this $err
+ }
}
set current_branch HEAD
set is_detached 1