diff: don't presume empty file when corresponding object is missing

diff --git a/commit.c b/commit.c
index 6393e1b36218e5f8970b0c43092b07f5d94b0bce..731191e63bd39a89a8ea4ed0390c49d5605cdbed 100644 (file)
--- a/commit.c
+++ b/commit.c
@@ -5,6 +5,7 @@
 #include "utf8.h"
 #include "diff.h"
 #include "revision.h"
+#include "notes.h"
 
 int save_commit_buffer = 1;
 
@@ -199,7 +200,7 @@ struct commit_graft *lookup_commit_graft(const unsigned char *sha1)
        return commit_graft[pos];
 }
 
-int write_shallow_commits(int fd, int use_pack_protocol)
+int write_shallow_commits(struct strbuf *out, int use_pack_protocol)
 {
        int i, count = 0;
        for (i = 0; i < commit_graft_nr; i++)
@@ -208,12 +209,10 @@ int write_shallow_commits(int fd, int use_pack_protocol)
                                sha1_to_hex(commit_graft[i]->sha1);
                        count++;
                        if (use_pack_protocol)
-                               packet_write(fd, "shallow %s", hex);
+                               packet_buf_write(out, "shallow %s", hex);
                        else {
-                               if (write_in_full(fd, hex,  40) != 40)
-                                       break;
-                               if (write_str_in_full(fd, "\n") != 1)
-                                       break;
+                               strbuf_addstr(out, hex);
+                               strbuf_addch(out, '\n');
                        }
                }
        return count;
@@ -225,7 +224,7 @@ int unregister_shallow(const unsigned char *sha1)
        if (pos < 0)
                return -1;
        if (pos + 1 < commit_graft_nr)
-               memcpy(commit_graft + pos, commit_graft + pos + 1,
+               memmove(commit_graft + pos, commit_graft + pos + 1,
                                sizeof(struct commit_graft *)
                                * (commit_graft_nr - pos - 1));
        commit_graft_nr--;