send-pack: do not send out single-level refs such as refs/stash

diff --git a/builtin-pack-objects.c b/builtin-pack-objects.c
index a02c673fb7b6a50278b632e6bd127dac0d03168a..b0dddbee4f93de462090218554e1b1b6d1038c34 100644 (file)
--- a/builtin-pack-objects.c
+++ b/builtin-pack-objects.c
@@ -23,7 +23,7 @@
 #endif
 
 static const char pack_usage[] = "\
-git-pack-objects [{ -q | --progress | --all-progress }] \n\
+git pack-objects [{ -q | --progress | --all-progress }] \n\
        [--max-pack-size=N] [--local] [--incremental] \n\
        [--window=N] [--window-memory=N] [--depth=N] \n\
        [--no-reuse-delta] [--no-reuse-object] [--delta-base-offset] \n\
@@ -465,7 +465,7 @@ static void write_pack_file(void)
                        char tmpname[PATH_MAX];
                        int fd;
                        snprintf(tmpname, sizeof(tmpname),
-                                "%s/tmp_pack_XXXXXX", get_object_directory());
+                                "%s/pack/tmp_pack_XXXXXX", get_object_directory());
                        fd = xmkstemp(tmpname);
                        pack_tmp_name = xstrdup(tmpname);
                        f = sha1fd(fd, pack_tmp_name);
@@ -1091,9 +1091,12 @@ static void check_object(struct object_entry *entry)
        }
 
        entry->type = sha1_object_info(entry->idx.sha1, &entry->size);
-       if (entry->type < 0)
-               die("unable to get type of object %s",
-                   sha1_to_hex(entry->idx.sha1));
+       /*
+        * The error condition is checked in prepare_pack().  This is
+        * to permit a missing preferred base object to be ignored
+        * as a preferred base.  Doing so can result in a larger
+        * pack file, but the transfer will still take place.
+        */
 }
 
 static int pack_offset_sort(const void *_a, const void *_b)
@@ -1374,7 +1377,7 @@ static void find_deltas(struct object_entry **list, unsigned *list_size,
        memset(array, 0, array_size);
 
        for (;;) {
-               struct object_entry *entry = *list++;
+               struct object_entry *entry;
                struct unpacked *n = array + idx;
                int j, max_depth, best_base = -1;
 
@@ -1383,6 +1386,7 @@ static void find_deltas(struct object_entry **list, unsigned *list_size,
                        progress_unlock();
                        break;
                }
+               entry = *list++;
                (*list_size)--;
                if (!entry->preferred_base) {
                        (*processed)++;
@@ -1717,8 +1721,12 @@ static void prepare_pack(int window, int depth)
                if (entry->no_try_delta)
                        continue;
 
-               if (!entry->preferred_base)
+               if (!entry->preferred_base) {
                        nr_deltas++;
+                       if (entry->type < 0)
+                               die("unable to get type of object %s",
+                                   sha1_to_hex(entry->idx.sha1));
+               }
 
                delta_list[n++] = entry;
        }
@@ -1865,7 +1873,7 @@ static void mark_in_pack_object(struct object *object, struct packed_git *p, str
 
 /*
  * Compare the objects in the offset order, in order to emulate the
- * "git-rev-list --objects" output that produced the pack originally.
+ * "git rev-list --objects" output that produced the pack originally.
  */
 static int ofscmp(const void *a_, const void *b_)
 {