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-rw-r--r--diffcore-rename.c27
1 files changed, 14 insertions, 13 deletions
diff --git a/diffcore-rename.c b/diffcore-rename.c
index 394693222..7ed5ef81b 100644
--- a/diffcore-rename.c
+++ b/diffcore-rename.c
@@ -144,6 +144,20 @@ static int estimate_similarity(struct diff_filespec *src,
if (!S_ISREG(src->mode) || !S_ISREG(dst->mode))
return 0;
+ /*
+ * Need to check that source and destination sizes are
+ * filled in before comparing them.
+ *
+ * If we already have "cnt_data" filled in, we know it's
+ * all good (avoid checking the size for zero, as that
+ * is a possible size - we really should have a flag to
+ * say whether the size is valid or not!)
+ */
+ if (!src->cnt_data && diff_populate_filespec(src, 0))
+ return 0;
+ if (!dst->cnt_data && diff_populate_filespec(dst, 0))
+ return 0;
+
max_size = ((src->size > dst->size) ? src->size : dst->size);
base_size = ((src->size < dst->size) ? src->size : dst->size);
delta_size = max_size - base_size;
@@ -159,11 +173,6 @@ static int estimate_similarity(struct diff_filespec *src,
if (base_size * (MAX_SCORE-minimum_score) < delta_size * MAX_SCORE)
return 0;
- if ((!src->cnt_data && diff_populate_filespec(src, 0))
- || (!dst->cnt_data && diff_populate_filespec(dst, 0)))
- return 0; /* error but caught downstream */
-
-
delta_limit = (unsigned long)
(base_size * (MAX_SCORE-minimum_score) / MAX_SCORE);
if (diffcore_count_changes(src, dst,
@@ -270,19 +279,11 @@ static int find_identical_files(struct file_similarity *src,
return renames;
}
-/*
- * Note: the rest of the rename logic depends on this
- * phase also populating all the filespecs for any
- * entry that isn't matched up with an exact rename.
- */
static void free_similarity_list(struct file_similarity *p)
{
while (p) {
struct file_similarity *entry = p;
p = p->next;
-
- /* Stupid special case, see note above! */
- diff_populate_filespec(entry->filespec, 0);
free(entry);
}
}