git-pickaxe: rename detection optimization

The idea is that we are interested in renaming into only one path, so
we do not care about renames that happen elsewhere.

Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Junio C Hamano 2006-11-02 00:02:11 -08:00
parent 20239bae94
commit 2f3f8b218a
3 changed files with 7 additions and 1 deletions

View File

@ -289,6 +289,7 @@ static struct origin *find_rename(struct scoreboard *sb,
diff_opts.recursive = 1;
diff_opts.detect_rename = DIFF_DETECT_RENAME;
diff_opts.output_format = DIFF_FORMAT_NO_OUTPUT;
diff_opts.single_follow = origin->path;
paths[0] = NULL;
diff_tree_setup_paths(paths, &diff_opts);
if (diff_setup_done(&diff_opts) < 0)

1
diff.h
View File

@ -46,6 +46,7 @@ struct diff_options {
const char *filter;
const char *orderfile;
const char *pickaxe;
const char *single_follow;
unsigned recursive:1,
tree_in_recursive:1,
binary:1,

View File

@ -256,11 +256,15 @@ void diffcore_rename(struct diff_options *options)
for (i = 0; i < q->nr; i++) {
struct diff_filepair *p = q->queue[i];
if (!DIFF_FILE_VALID(p->one))
if (!DIFF_FILE_VALID(p->one)) {
if (!DIFF_FILE_VALID(p->two))
continue; /* unmerged */
else if (options->single_follow &&
strcmp(options->single_follow, p->two->path))
continue; /* not interested */
else
locate_rename_dst(p->two, 1);
}
else if (!DIFF_FILE_VALID(p->two)) {
/* If the source is a broken "delete", and
* they did not really want to get broken,