int git_do_diff(GIT_DIFF diff, GIT_HASH hash1, GIT_HASH hash2, GIT_FILE * file, int *count,int isstat)
{
struct rev_info *p_Rev;
int ret;
int i;
struct diff_queue_struct *q = &diff_queued_diff;
p_Rev = (struct rev_info *)diff;
ret = diff_tree_sha1(hash1,hash2,"",&p_Rev->diffopt);
if( ret )
{
free_all_pack();
return ret;
}
if(isstat)
{
diffcore_std(&p_Rev->diffopt);
memset(&p_Rev->diffstat, 0, sizeof(struct diffstat_t));
for (i = 0; i < q->nr; i++) {
struct diff_filepair *p = q->queue[i];
//if (check_pair_status(p))
diff_flush_stat(p, &p_Rev->diffopt, &p_Rev->diffstat);
}
}
free_all_pack();
if(file)
*file = q;
if(count)
*count = q->nr;
return 0;
}
int git_root_diff(GIT_DIFF diff, const GIT_HASH hash, GIT_FILE* file, int* count, int isstat)
{
int ret;
struct object_id oid;
struct rev_info *p_Rev;
struct diff_queue_struct *q = &diff_queued_diff;
p_Rev = (struct rev_info *)diff;
hashcpy(oid.hash, hash);
ret = diff_root_tree_oid(&oid, "", &p_Rev->diffopt);
if(ret)
return ret;
if(isstat)
{
diffcore_std(&p_Rev->diffopt);
memset(&p_Rev->diffstat, 0, sizeof(struct diffstat_t));
for (int i = 0; i < q->nr; ++i) {
struct diff_filepair *p = q->queue[i];
//if (check_pair_status(p))
diff_flush_stat(p, &p_Rev->diffopt, &p_Rev->diffstat);
}
}
if (file)
*file = q;
if (count)
*count = q->nr;
return 0;
}
