[PATCH] Remove a function not used anymore.

Earlier rename/copy detection left unmodified filepair in the
output and forced downstream to keep them even when they are
filtering, and the diff_needs_to_stay() function was used for
the logic.  It is not used anymore, so remove it.

Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/diff.c b/diff.c
index a116755..bafbc09 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -647,28 +647,6 @@ static void diff_flush_patch(struct diff_filepair *p)
                run_diff(name, other, p->one, p->two, msg);
 }
 
-int diff_needs_to_stay(struct diff_queue_struct *q, int i,
-                      struct diff_filespec *it)
-{
-       /* If it will be used in later entry (either stay or used
-        * as the source of rename/copy), we need to copy, not rename.
-        */
-       while (i < q->nr) {
-               struct diff_filepair *p = q->queue[i++];
-               if (!DIFF_FILE_VALID(p->two))
-                       continue; /* removed is fine */
-               if (strcmp(p->one->path, it->path))
-                       continue; /* not relevant */
-
-               /* p has its src set to *it and it is not a delete;
-                * it will be used for in-place change, rename/copy,
-                * or just stays there.  We cannot rename it out.
-                */
-               return 1;
-       }
-       return 0;
-}
-
 int diff_queue_is_empty(void)
 {
        struct diff_queue_struct *q = &diff_queued_diff;

diff --git a/diffcore.h b/diffcore.h
index 0f82bd9..e9cf2ed 100644 (file)
--- a/diffcore.h
+++ b/diffcore.h
@@ -70,9 +70,6 @@ extern struct diff_filepair *diff_queue(struct diff_queue_struct *,
                                        struct diff_filespec *);
 extern void diff_q(struct diff_queue_struct *, struct diff_filepair *);
 
-extern int diff_needs_to_stay(struct diff_queue_struct *, int,
-                             struct diff_filespec *);
-
 #define DIFF_DEBUG 0
 #if DIFF_DEBUG
 void diff_debug_filespec(struct diff_filespec *, int, const char *);