<p dir="ltr">Is the way forward then to manually bisect by timestamp? Perhaps there are scripts "out there" to assist with stuck a task.</p>
<div class="gmail_quote">On Jun 4, 2013 8:47 PM, "Johan Tibell" <<a href="mailto:johan.tibell@gmail.com">johan.tibell@gmail.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">Unfortunately we don't use submodules for all repos e.g. base. This makes it very hard to accurately check out a previous state and bisect errors unfortunately.</div><div class="gmail_extra"><br><br><div class="gmail_quote">
On Tue, Jun 4, 2013 at 6:07 PM, Kazu Yamamoto <span dir="ltr"><<a href="mailto:kazu@iij.ad.jp" target="_blank">kazu@iij.ad.jp</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Hi,<br>
<br>
Andreas and I found that the new IO manager is not working properly in<br>
the current GHC head. I'm sure that it worked well at least on May 7.<br>
<br>
We need to narrow the range of commits, so I did:<br>
<br>
% git checkout bb2795db36b36966697c228315ae20767c4a8753<br>
% git submodule update<br>
<br>
But this does not checkout proper submodules. For instance,<br>
libraries/base has newer commits. And of cource, building fails.<br>
<br>
Please tell us how to checkout proper submodules against a specific<br>
GHC tree.<br>
<br>
--Kazu<br>
<br>
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