git-am: Add am.keepcr and --no-keep-cr to override it

diff --git a/diffcore-rename.c b/diffcore-rename.c
index 1b2ebb40014d820fe4fb679509ab694d453be7b4..d6fd3cacd6de4757994c61903dd07e0c4d74a9e9 100644 (file)
--- a/diffcore-rename.c
+++ b/diffcore-rename.c
@@ -153,9 +153,9 @@ static int estimate_similarity(struct diff_filespec *src,
         * 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))
+       if (!src->cnt_data && diff_populate_filespec(src, 1))
                return 0;
-       if (!dst->cnt_data && diff_populate_filespec(dst, 0))
+       if (!dst->cnt_data && diff_populate_filespec(dst, 1))
                return 0;
 
        max_size = ((src->size > dst->size) ? src->size : dst->size);
@@ -173,6 +173,11 @@ 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))
+               return 0;
+       if (!dst->cnt_data && diff_populate_filespec(dst, 0))
+               return 0;
+
        delta_limit = (unsigned long)
                (base_size * (MAX_SCORE-minimum_score) / MAX_SCORE);
        if (diffcore_count_changes(src, dst,
@@ -262,7 +267,7 @@ static int find_identical_files(struct file_similarity *src,
                        int score;
                        struct diff_filespec *source = p->filespec;
 
-                       /* False hash collission? */
+                       /* False hash collision? */
                        if (hashcmp(source->sha1, target->sha1))
                                continue;
                        /* Non-regular files? If so, the modes must match! */
@@ -493,7 +498,7 @@ void diffcore_rename(struct diff_options *options)
        if ((num_create > rename_limit && num_src > rename_limit) ||
            (num_create * num_src > rename_limit * rename_limit)) {
                if (options->warn_on_too_large_rename)
-                       warning("too many files, skipping inexact rename detection");
+                       warning("too many files (created: %d deleted: %d), skipping inexact rename detection", num_create, num_src);
                goto cleanup;
        }
 
@@ -518,10 +523,13 @@ void diffcore_rename(struct diff_options *options)
                        this_src.dst = i;
                        this_src.src = j;
                        record_if_better(m, &this_src);
+                       /*
+                        * Once we run estimate_similarity,
+                        * We do not need the text anymore.
+                        */
                        diff_free_filespec_blob(one);
+                       diff_free_filespec_blob(two);
                }
-               /* We do not need the text anymore */
-               diff_free_filespec_blob(two);
                dst_cnt++;
        }