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[PATCH] diff: code clean-up and removal of rename hack.

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A new macro, DIFF_PAIR_RENAME(), is introduced to distinguish a
filepair that is a rename/copy (the definition of which is src
and dst are different paths, of course).  This removes the hack
used in the record_rename_pair() to always put a non-zero value
in the score field.

Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Junio C Hamano 2005-05-29 16:56:48 -07:00 committed by Linus Torvalds
parent befe86392c
commit 01c4e70f63
3 changed files with 7 additions and 7 deletions
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6
diff.c
View file

@ -796,7 +796,7 @@ static void diff_resolve_rename_copy(void)
for (j = 0; j < q->nr; j++) {
pp = q->queue[j];
if (!strcmp(p->one->path, pp->one->path) &&
pp->score) {
DIFF_PAIR_RENAME(pp)) {
/* rename/copy are always valid
* so we do not say DIFF_FILE_VALID()
* on pp->one and pp->two.
@ -815,7 +815,7 @@ static void diff_resolve_rename_copy(void)
* whose both sides are valid and of the same type, i.e.
* either in-place edit or rename/copy edit.
*/
else if (p->score) {
else if (DIFF_PAIR_RENAME(p)) {
if (p->source_stays) {
p->status = 'C';
continue;
@ -828,7 +828,7 @@ static void diff_resolve_rename_copy(void)
pp = q->queue[j];
if (strcmp(pp->one->path, p->one->path))
continue; /* not us */
if (!pp->score)
if (!DIFF_PAIR_RENAME(pp))
continue; /* not a rename/copy */
/* pp is a rename/copy from the same source */
p->status = 'C';

2
diffcore-rename.c
View file

@ -207,7 +207,7 @@ static void record_rename_pair(struct diff_queue_struct *renq,
fill_filespec(two, dst->sha1, dst->mode);
dp = diff_queue(renq, one, two);
dp->score = score ? : 1; /* make sure it is at least 1 */
dp->score = score;
dp->source_stays = rename_src[src_index].src_stays;
rename_dst[dst_index].pair = dp;
}

6
diffcore.h
View file

@ -39,15 +39,15 @@ extern void diff_free_filespec_data(struct diff_filespec *);
struct diff_filepair {
struct diff_filespec *one;
struct diff_filespec *two;
unsigned short int score; /* only valid when one and two are
* different paths
*/
unsigned short int score;
char source_stays; /* all of R/C are copies */
char status; /* M C R N D U (see Documentation/diff-format.txt) */
};
#define DIFF_PAIR_UNMERGED(p) \
(!DIFF_FILE_VALID((p)->one) && !DIFF_FILE_VALID((p)->two))
#define DIFF_PAIR_RENAME(p) (strcmp((p)->one->path, (p)->two->path))
#define DIFF_PAIR_TYPE_CHANGED(p) \
((S_IFMT & (p)->one->mode) != (S_IFMT & (p)->two->mode))