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Re: [PATCH on en/rename-progress v2] diffcore-rename: make diff-tree -l0 mean -l<large>




On Wed, Nov 29, 2017 at 12:11 PM, Jonathan Tan <jonathantanmy@xxxxxxxxxx> wrote:
> In the documentation of diff-tree, it is stated that the -l option
> "prevents rename/copy detection from running if the number of
> rename/copy targets exceeds the specified number". The documentation
> does not mention any special handling for the number 0, but the
> implementation before commit 9f7e4bfa3b ("diff: remove silent clamp of
> renameLimit", 2017-11-13) treated 0 as a special value indicating that
> the rename limit is to be a very large number instead.
>
> The commit 9f7e4bfa3b changed that behavior, treating 0 as 0. Revert
> this behavior to what it was previously. This allows existing scripts
> and tools that use "-l0" to continue working. The alternative (to have
> "-l0" suppress rename detection) is probably much less useful, since
> users can just refrain from specifying -M and/or -C to have the same
> effect.
>
> Signed-off-by: Jonathan Tan <jonathantanmy@xxxxxxxxxx>
> ---
> There are multiple issues with the commit message, so I am sending this
> new version out.
>
> v2 is exactly the same as previously, except that the commit message is
> changed following Elijah Newren's and Jonathan Nieder's comments.
> ---
>  diffcore-rename.c      |  2 ++
>  t/t4001-diff-rename.sh | 15 +++++++++++++++
>  2 files changed, 17 insertions(+)

Reviewed-by: Elijah Newren <newren@xxxxxxxxx>

Thanks.