merge-base: Clarify the comments on post processing.

[git.git] / commit.c

diff --git a/commit.c b/commit.c
index ca25574..2717dd8 100644 (file)
--- a/commit.c
+++ b/commit.c
@@ -160,8 +160,8 @@ struct commit_graft *read_graft_line(char *buf, int len)
 
        if (buf[len-1] == '\n')
                buf[--len] = 0;
-       if (buf[0] == '#')
-               return 0;
+       if (buf[0] == '#' || buf[0] == '\0')
+               return NULL;
        if ((len + 1) % 41) {
        bad_graft_data:
                error("bad graft data: %s", buf);
@@ -192,6 +192,8 @@ int read_graft_file(const char *graft_file)
                /* The format is just "Commit Parent1 Parent2 ...\n" */
                int len = strlen(buf);
                struct commit_graft *graft = read_graft_line(buf, len);
+               if (!graft)
+                       continue;
                if (register_commit_graft(graft, 1))
                        error("duplicate graft data: %s", buf);
        }