Clarify git-diff-cache semantics in the tutorial.

diff --git a/diff-helper.c b/diff-helper.c
index 6456405b53bc9ff419e1133aa4da816fe761d911..c9e287f652b9cba95dd6e181066c1efa1a73307c 100644 (file)
--- a/diff-helper.c
+++ b/diff-helper.c
@@ -15,6 +15,7 @@ static const char *diff_helper_usage =
 
 int main(int ac, const char **av) {
        struct strbuf sb;
+       const char *garbage_flush_format;
 
        strbuf_init(&sb);
 
@@ -30,6 +31,8 @@ int main(int ac, const char **av) {
                        usage(diff_helper_usage);
                ac--; av++;
        }
+       garbage_flush_format = (line_termination == 0) ? "%s" : "%s\n";
+
        /* the remaining parameters are paths patterns */
 
        diff_setup(0);
@@ -77,17 +80,16 @@ int main(int ac, const char **av) {
                        if (!strchr("MCRNDU", status))
                                break;
                        two_paths = score = 0;
-                       if (status == 'R' || status == 'C') {
+                       if (status == 'R' || status == 'C')
                                two_paths = 1;
-                               sscanf(cp, "%d", &score);
-                               if (line_termination) {
-                                       cp = strchr(cp,
-                                                   inter_name_termination);
-                                       if (!cp)
-                                               break;
-                               }
-                       }
 
+                       /* pick up score if exists */
+                       if (sscanf(cp, "%d", &score) != 1)
+                               score = 0;
+                       cp = strchr(cp,
+                                   inter_name_termination);
+                       if (!cp)
+                               break;
                        if (*cp++ != inter_name_termination)
                                break;
 
@@ -134,7 +136,7 @@ int main(int ac, const char **av) {
                if (pickaxe)
                        diffcore_pickaxe(pickaxe, pickaxe_opts);
                diff_flush(DIFF_FORMAT_PATCH, 0);
-               printf("%s\n", sb.buf);
+               printf(garbage_flush_format, sb.buf);
        }
        if (1 < ac)
                diffcore_pathspec(av + 1);