Thanks for taking care of this! Maybe John or I can finally get the
changes to rebase done after this.
A few comments below. Sorry I didn't find time to review the earlier revisions.
On Fri, Oct 25, 2013 at 2:38 PM, Junio C Hamano <gits...@pobox.com> wrote:
> +where `origin/master` used to point at commits B3, B2, B1 and now it
> +points at B, and your `topic` branch was stated on top of it back
> + bases = get_merge_bases_many(derived, revs.nr, revs.commit, 0);
> + /*
> + * There should be one and only one merge base, when we found
> + * a common ancestor among reflog entries.
> + */
> + if (!bases || bases->next)
> + return 1;
> + /* And the found one must be one of the reflog entries */
> + for (i = 0; i < revs.nr; i++)
> + if (&bases->item->object == &revs.commit[i]->object)
> + break; /* found */
> + if (revs.nr <= i)
> + return 1; /* not found */
> + printf("%s\n", sha1_to_hex(bases->item->object.sha1));
> + free_commit_list(bases);
> + return 0;
Should free_commit_list also be called in the two "return 1" cases
above? I suppose the process will exit soon after this, but that seems
to be true for all three cases.
> diff --git a/t/t6010-merge-base.sh b/t/t6010-merge-base.sh
> index f80bba8..4f09db0 100755
> --- a/t/t6010-merge-base.sh
> +++ b/t/t6010-merge-base.sh
> @@ -230,4 +230,31 @@ test_expect_success 'criss-cross merge-base for
> octopus-step' '
> test_cmp expected.sorted actual.sorted
> +test_expect_success 'using reflog to find the fork point' '
> + git reset --hard &&
> + git checkout -b base $E &&
> + (
> + for count in 1 2 3 4 5
> + do
> + git commit --allow-empty -m "Base commit #$count" &&
> + git rev-parse HEAD >expect$count &&
> + git checkout -B derived &&
> + git commit --allow-empty -m "Derived #$count" &&
> + git rev-parse HEAD >derived$count &&
> + git checkout base || exit 1
I think this creates a history like
\ \ \ \ \
D1 D2 D3 D4 D5 (derived)
So I think the following test would pass even if you drop the
--fork-point. Did you mean to create a fan-shaped history by resetting
base to $E on every iteration above?
> + git merge-base --fork-point base $(cat derived$count)
> >actual &&
> + test_cmp expect$count actual || exit 1
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