If I click the commit list while reading (or rereading, by Shift-F5)
commits, sometimes an error message appears:
`can't read "pending_select": no such variable',
because pending_select is reset during update.

Just removing update or saving value in local variable would result in
occasional scrolling to some random commit in history, often very far
from the beginning. So nicer choice is skip the selection if change is

Signed-off-by: Max Kirillov <m...@max630.net>
 gitk-git/gitk | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/gitk-git/gitk b/gitk-git/gitk
index b3706fc..5a8a57c 100755
--- a/gitk-git/gitk
+++ b/gitk-git/gitk
@@ -5038,8 +5038,11 @@ proc layoutmore {} {
     if {[info exists pending_select] &&
        [commitinview $pending_select $curview]} {
+       set save_pending_select $pending_select
-       selectline [rowofcommit $pending_select] 1
+       if {[info exists pending_select] && $pending_select == 
$save_pending_select} {
+           selectline [rowofcommit $save_pending_select] 1
+       }
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