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gitk: Fix bug causing undefined variable error when cherry-picking

When "Show nearby tags" is turned off and the user did a cherry-pick,
we were trying to access variables relating to the descendent/ancestor
tag & head computations in addnewchild though they hadn't been set.
This makes sure we don't do that.  Reported by Johannes Sixt.

Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Paul Mackerras 2007-08-29 22:41:34 +10:00
parent df904497ec
commit 6eaaccd128

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gitk
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@ -6648,8 +6648,9 @@ proc splitarc {p} {
proc addnewchild {id p} {
global allids allparents allchildren idtags nextarc nbmp
global arcnos arcids arctags arcout arcend arcstart archeads growing
global seeds
global seeds allcommits
if {![info exists allcommits]} return
lappend allids $id
set allparents($id) [list $p]
set allchildren($id) {}