René Scharfe <rene.scharfe@xxxxxxxxxxxxxx> writes:
> Am 17.06.2013 22:44, schrieb Junio C Hamano:
>>
>> ... Or, perhaps we can
>>
>> - add df_conflict to struct unpack_trees_options;
>>
>> - have traverse_info->data point at struct unpack_trees_options as
>> before; and
>>
>> - save the old value of o->df_conflict on the stack of
>> traverse_trees_recursive(), update the field in place, and
>> restore it when the recursion returns???
>
> I'm not sure unpack_trees_options is the right place for that, but it
> already has several members that aren't really "options".
Yup, most notably the "df_conflict_entry" singleton sentinel.
> It would look something like this:
Hmm, that does not look too bad, actually.
>
>
> tree-walk.h | 1 -
> unpack-trees.c | 9 +++++++--
> unpack-trees.h | 1 +
> 3 files changed, 8 insertions(+), 3 deletions(-)
>
> diff --git a/tree-walk.h b/tree-walk.h
> index ae04b64..4876695 100644
> --- a/tree-walk.h
> +++ b/tree-walk.h
> @@ -46,7 +46,6 @@ struct traverse_info {
> int pathlen;
> struct pathspec *pathspec;
>
> - unsigned long df_conflicts;
> traverse_callback_t fn;
> void *data;
> int show_all_errors;
> diff --git a/unpack-trees.c b/unpack-trees.c
> index b27f2a6..1c0ead0 100644
> --- a/unpack-trees.c
> +++ b/unpack-trees.c
> @@ -454,6 +454,10 @@ static int traverse_trees_recursive(int n, unsigned long dirmask,
> void *buf[MAX_UNPACK_TREES];
> struct traverse_info newinfo;
> struct name_entry *p;
> + struct unpack_trees_options *o = info->data;
> + unsigned long saved_df_conflicts = o->df_conflicts;
> +
> + o->df_conflicts |= df_conflicts;
>
> p = names;
> while (!p->mode)
> @@ -464,7 +468,6 @@ static int traverse_trees_recursive(int n, unsigned long dirmask,
> newinfo.pathspec = info->pathspec;
> newinfo.name = *p;
> newinfo.pathlen += tree_entry_len(p) + 1;
> - newinfo.df_conflicts |= df_conflicts;
>
> for (i = 0; i < n; i++, dirmask >>= 1) {
> const unsigned char *sha1 = NULL;
> @@ -480,6 +483,8 @@ static int traverse_trees_recursive(int n, unsigned long dirmask,
> for (i = 0; i < n; i++)
> free(buf[i]);
>
> + o->df_conflicts = saved_df_conflicts;
> +
> return ret;
> }
>
> @@ -565,7 +570,7 @@ static int unpack_nondirectories(int n, unsigned long mask,
> {
> int i;
> struct unpack_trees_options *o = info->data;
> - unsigned long conflicts = info->df_conflicts | dirmask;
> + unsigned long conflicts = o->df_conflicts | dirmask;
>
> /* Do we have *only* directories? Nothing to do */
> if (mask == dirmask && !src[0])
> diff --git a/unpack-trees.h b/unpack-trees.h
> index 36a73a6..05ee968 100644
> --- a/unpack-trees.h
> +++ b/unpack-trees.h
> @@ -66,6 +66,7 @@ struct unpack_trees_options {
>
> struct cache_entry *df_conflict_entry;
> void *unpack_data;
> + unsigned long df_conflicts;
>
> struct index_state *dst_index;
> struct index_state *src_index;
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