[PATCH] git-merge-one-file-script cleanups from Cogito
[git.git] / diff.c
diff --git a/diff.c b/diff.c
index 315eb5c..046d9a3 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -236,6 +236,7 @@ static struct sha1_size_cache {
 static int sha1_size_cache_nr, sha1_size_cache_alloc;
 
 static struct sha1_size_cache *locate_size_cache(unsigned char *sha1,
+                                                int find_only,
                                                 unsigned long size)
 {
        int first, last;
@@ -244,9 +245,9 @@ static struct sha1_size_cache *locate_size_cache(unsigned char *sha1,
        first = 0;
        last = sha1_size_cache_nr;
        while (last > first) {
-               int next = (last + first) >> 1;
+               int cmp, next = (last + first) >> 1;
                e = sha1_size_cache[next];
-               int cmp = memcmp(e->sha1, sha1, 20);
+               cmp = memcmp(e->sha1, sha1, 20);
                if (!cmp)
                        return e;
                if (cmp < 0) {
@@ -256,7 +257,7 @@ static struct sha1_size_cache *locate_size_cache(unsigned char *sha1,
                first = next+1;
        }
        /* not found */
-       if (size == UINT_MAX)
+       if (find_only)
                return NULL;
        /* insert to make it at "first" */
        if (sha1_size_cache_alloc <= sha1_size_cache_nr) {
@@ -337,13 +338,13 @@ int diff_populate_filespec(struct diff_filespec *s, int size_only)
                struct sha1_size_cache *e;
 
                if (size_only) {
-                       e = locate_size_cache(s->sha1, UINT_MAX);
+                       e = locate_size_cache(s->sha1, 1, 0);
                        if (e) {
                                s->size = e->size;
                                return 0;
                        }
                        if (!sha1_file_size(s->sha1, &s->size))
-                               locate_size_cache(s->sha1, s->size);
+                               locate_size_cache(s->sha1, 0, s->size);
                }
                else {
                        s->data = read_sha1_file(s->sha1, type, &s->size);
@@ -785,8 +786,8 @@ static void diff_flush_patch(struct diff_filepair *p)
        case 'R':
                sprintf(msg_,
                        "similarity index %d%%\n"
-                       "rename old %s\n"
-                       "rename new %s",
+                       "rename from %s\n"
+                       "rename to %s",
                        (int)(0.5 + p->score * 100.0/MAX_SCORE),
                        p->one->path, p->two->path);
                msg = msg_;
@@ -963,11 +964,11 @@ void diffcore_std(const char **paths,
 {
        if (paths && paths[0])
                diffcore_pathspec(paths);
-       if (0 <= break_opt)
+       if (break_opt != -1)
                diffcore_break(break_opt);
        if (detect_rename)
                diffcore_rename(detect_rename, rename_score);
-       if (0 <= break_opt)
+       if (break_opt != -1)
                diffcore_merge_broken();
        if (pickaxe)
                diffcore_pickaxe(pickaxe, pickaxe_opts);