git-show-branch: tighten merge-base computation.
This makes the merge-base computation resistant to the pathological case discussed on the list earlier, by doing the same logic as git-merge-base. As a side effect, it breaks the command's primary function to list non-merge commit sequences, which needs to be fixed separately. Signed-off-by: Junio C Hamano <junkio@cox.net>
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@ -181,11 +181,11 @@ static void join_revs(struct commit_list **list_p,
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while (*list_p) {
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struct commit_list *parents;
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int still_interesting = !!interesting(*list_p);
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struct commit *commit = pop_one_commit(list_p);
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int flags = commit->object.flags & all_mask;
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int still_interesting = !!interesting(*list_p);
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if (!still_interesting && extra < 0)
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if (!still_interesting && extra <= 0)
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break;
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mark_seen(commit, seen_p);
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