Junio C Hamano <gitster@xxxxxxxxx> writes:
> Kjetil Barvik <barvik@xxxxxxxxxxxx> writes:
>
>> diff --git a/read-cache.c b/read-cache.c
>> index 940ec76..ca4bec2 100644
>> --- a/read-cache.c
>> +++ b/read-cache.c
>> @@ -67,8 +67,15 @@ void rename_index_entry_at(struct index_state *istate, int nr, const char *new_n
>> */
>> void fill_stat_cache_info(struct cache_entry *ce, struct stat *st)
>> {
>> - ce->ce_ctime = st->st_ctime;
>> - ce->ce_mtime = st->st_mtime;
>> + ce->ce_ctime.sec = (unsigned int)st->st_ctime;
>> + ce->ce_mtime.sec = (unsigned int)st->st_mtime;
>> +#ifdef USE_NSEC
>> + ce->ce_ctime.nsec = (unsigned int)st->st_ctim.tv_nsec;
>> + ce->ce_mtime.nsec = (unsigned int)st->st_mtim.tv_nsec;
>> +#else
>> + ce->ce_ctime.nsec = 0;
>> + ce->ce_mtime.nsec = 0;
>> +#endif
>
> How does this affect a use case where the same index file used with two
> instances of git (one compiled with and another without USE_NSEC)?
OK, I admit that I was thinking safe here, so the one using the git
compiled with USE_NSEC will see a slow down.
If we for the use case can assume that both is using an git program
compiled from the same source, and the index file is placed on a
filesystem which supports nanoseconds timestamp, I guess that the use
case for the one using USE_NSEC could be better.
I will make a new patch to this one (since it is already placed in
next), and then you can see if you like the updated one.
>> diff --git a/unpack-trees.c b/unpack-trees.c
>> index e547282..44714cc 100644
>> --- a/unpack-trees.c
>> +++ b/unpack-trees.c
>> @@ -380,8 +380,12 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options
>>
>> memset(&o->result, 0, sizeof(o->result));
>> o->result.initialized = 1;
>> - if (o->src_index)
>> - o->result.timestamp = o->src_index->timestamp;
>> + if (o->src_index) {
>> + o->result.timestamp.sec = o->src_index->timestamp.sec;
>> +#ifdef USE_NSEC
>> + o->result.timestamp.nsec = o->src_index->timestamp.nsec;
>> +#endif
>> + }
>
> Do we need this hunk?
Since timestamp is now a 'struct cache_time' member, I converted the
usage of this if-test to be in line with the USE_NSEC usage.
-- kjetil
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