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gitk: Fix bug causing Tcl error when no commits are selected
authorPaul Mackerras <paulus@samba.org>
Tue, 15 Jan 2008 11:45:36 +0000 (22:45 +1100)
committerPaul Mackerras <paulus@samba.org>
Tue, 15 Jan 2008 11:45:43 +0000 (22:45 +1100)
commit5a7f577dcedeff60e5267fd9efbfb05987a359e4
treeae38419091d7ee0c095a287e80c63ef87b7c3fe3tree | snapshot
parente7297a1c5fd1133134e78a775e8b87d7679fb526commit | diff
gitk: Fix bug causing Tcl error when no commits are selected

Some of the stuff that commit 31c0eaa8cc10944ebca8aa31fb59f0b77b1b6e77
added to drawvisible isn't appropriate to do when we have no commits,
and this was causing a Tcl error if gitk was invoked in such a fashion
that no commits were selected.  This fixes it by bailing out of
drawvisible early if there are no commits displayed.

Bug reported by Johannes Sixt.

Signed-off-by: Paul Mackerras <paulus@samba.org>
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Gitk: Windows and themed Tk support