Junio C Hamano <[email protected]> writes:
> "Felipe Gonçalves Assis" <[email protected]> writes:
>
>> +no-renames;;
>> + Turn off rename detection.
>> + See also linkgit:git-diff[1] `--no-renames`.
>
> Even though by default for merge-recursive the rename detection is
> on, if we are adding an option to control this aspect of the
> behaviour from the command line, it should follow the usual pattern,
> i.e.
>
> (1) the code to parse options would allow an earlier "--no-renames"
> on the command line to be overridden with a later "--renames"; and
>
> (2) the description in the documentation would be headed by
> "--[no-]renames", describes which one is the default, etc.
>
>> diff --git a/merge-recursive.c b/merge-recursive.c
>> index 8eabde2..ca67805 100644
>> --- a/merge-recursive.c
>> +++ b/merge-recursive.c
>> @@ -1839,9 +1839,16 @@ int merge_trees(struct merge_options *o,
>>
>> entries = get_unmerged();
>> record_df_conflict_files(o, entries);
>> - re_head = get_renames(o, head, common, head, merge, entries);
>> - re_merge = get_renames(o, merge, common, head, merge, entries);
>> - clean = process_renames(o, re_head, re_merge);
>> + if (o->detect_rename) {
>> + re_head = get_renames(o, head, common, head, merge,
>> entries);
>> + re_merge = get_renames(o, merge, common, head, merge,
>> entries);
>> + clean = process_renames(o, re_head, re_merge);
>> + }
>> + else {
>> + re_head = xcalloc(1, sizeof(struct string_list));
>> + re_merge = xcalloc(1, sizeof(struct string_list));
>> + clean = 1;
>> + }
>
> Yup, this is much nicer than butchering diffcore-rename.c for no
> good reason ;-).
Thinking about this a bit deeper, you are already passing o to
get_renames, so I think the right place to decide "Oh, I can just
return an empty list" is inside that function. That is, the meat of
the change in this patch should be just these three lines instead, I
think. You'd of course need to have addition of that new field,
option parsing, and documentation update in addition to that.
Thanks.
merge-recursive.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/merge-recursive.c b/merge-recursive.c
index 8eabde2..69fb947 100644
--- a/merge-recursive.c
+++ b/merge-recursive.c
@@ -482,6 +482,9 @@ static struct string_list *get_renames(struct merge_options
*o,
struct diff_options opts;
renames = xcalloc(1, sizeof(struct string_list));
+ if (!o->detect_rename)
+ return renames;
+
diff_setup(&opts);
DIFF_OPT_SET(&opts, RECURSIVE);
DIFF_OPT_CLR(&opts, RENAME_EMPTY);
--
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