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diffcore-rename.c: move code around to prepare for the next patch 

No actual code changes, just move hash_filespec up and outdent part of
find_identical_files.

Signed-off-by: Karsten Blees <blees@dcon.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Karsten Blees 2013-11-14 20:19:04 +01:00 коммит произвёл Junio C Hamano
Родитель 29d8a834b5
Коммит 48f6407ffe
1 изменённых файлов: 47 добавлений и 47 удалений
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94
diffcore-rename.c
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@ -248,6 +248,18 @@ struct file_similarity {
struct file_similarity *next;
};
static unsigned int hash_filespec(struct diff_filespec *filespec)
{
unsigned int hash;
if (!filespec->sha1_valid) {
if (diff_populate_filespec(filespec, 0))
return 0;
hash_sha1_file(filespec->data, filespec->size, "blob", filespec->sha1);
}
memcpy(&hash, filespec->sha1, sizeof(hash));
return hash;
}
static int find_identical_files(struct file_similarity *src,
struct file_similarity *dst,
struct diff_options *options)
@ -258,46 +270,46 @@ static int find_identical_files(struct file_similarity *src,
* Walk over all the destinations ...
*/
do {
struct diff_filespec *target = dst->filespec;
struct file_similarity *p, *best;
int i = 100, best_score = -1;
struct diff_filespec *target = dst->filespec;
struct file_similarity *p, *best;
int i = 100, best_score = -1;
/*
* .. to find the best source match
*/
best = NULL;
for (p = src; p; p = p->next) {
int score;
struct diff_filespec *source = p->filespec;
/*
* .. to find the best source match
*/
best = NULL;
for (p = src; p; p = p->next) {
int score;
struct diff_filespec *source = p->filespec;
/* False hash collision? */
if (hashcmp(source->sha1, target->sha1))
/* False hash collision? */
if (hashcmp(source->sha1, target->sha1))
continue;
/* Non-regular files? If so, the modes must match! */
if (!S_ISREG(source->mode) || !S_ISREG(target->mode)) {
if (source->mode != target->mode)
continue;
/* Non-regular files? If so, the modes must match! */
if (!S_ISREG(source->mode) || !S_ISREG(target->mode)) {
if (source->mode != target->mode)
continue;
}
/* Give higher scores to sources that haven't been used already */
score = !source->rename_used;
if (source->rename_used && options->detect_rename != DIFF_DETECT_COPY)
continue;
score += basename_same(source, target);
if (score > best_score) {
best = p;
best_score = score;
if (score == 2)
break;
}
/* Too many identical alternatives? Pick one */
if (!--i)
}
/* Give higher scores to sources that haven't been used already */
score = !source->rename_used;
if (source->rename_used && options->detect_rename != DIFF_DETECT_COPY)
continue;
score += basename_same(source, target);
if (score > best_score) {
best = p;
best_score = score;
if (score == 2)
break;
}
if (best) {
record_rename_pair(dst->index, best->index, MAX_SCORE);
renames++;
}
/* Too many identical alternatives? Pick one */
if (!--i)
break;
}
if (best) {
record_rename_pair(dst->index, best->index, MAX_SCORE);
renames++;
}
} while ((dst = dst->next) != NULL);
return renames;
}
@ -343,18 +355,6 @@ static int find_same_files(void *ptr, void *data)
return ret;
}
static unsigned int hash_filespec(struct diff_filespec *filespec)
{
unsigned int hash;
if (!filespec->sha1_valid) {
if (diff_populate_filespec(filespec, 0))
return 0;
hash_sha1_file(filespec->data, filespec->size, "blob", filespec->sha1);
}
memcpy(&hash, filespec->sha1, sizeof(hash));
return hash;
}
static void insert_file_table(struct hash_table *table, int src_dst, int index, struct diff_filespec *filespec)
{
void **pos;