merge-one-file: use common as base, instead of emptiness.

[git.git] / apply.c

diff --git a/apply.c b/apply.c
index cf8aa87..472bcdc 100644 (file)
--- a/apply.c
+++ b/apply.c
@@ -23,6 +23,7 @@ static int numstat = 0;
 static int summary = 0;
 static int check = 0;
 static int apply = 1;
+static int no_add = 0;
 static int show_index_info = 0;
 static int line_termination = '\n';
 static const char apply_usage[] =
@@ -1112,8 +1113,10 @@ static int apply_one_fragment(struct buffer_desc *desc, struct fragment *frag)
                                break;
                /* Fall-through for ' ' */
                case '+':
-                       memcpy(new + newsize, patch + 1, plen);
-                       newsize += plen;
+                       if (*patch != '+' || !no_add) {
+                               memcpy(new + newsize, patch + 1, plen);
+                               newsize += plen;
+                       }
                        break;
                case '@': case '\\':
                        /* Ignore it, we already handled it */
@@ -1710,6 +1713,10 @@ int main(int argc, char **argv)
                        excludes = x;
                        continue;
                }
+               if (!strcmp(arg, "--no-add")) {
+                       no_add = 1;
+                       continue;
+               }
                if (!strcmp(arg, "--stat")) {
                        apply = 0;
                        diffstat = 1;