bash completion: Support "divergence from upstream" messages in __git_ps1

diff --git a/sha1_file.c b/sha1_file.c
index 28c056e074d1a89e4a3d266eff49c899bfd35e59..d8e61a65d10ed6fa792d207e36fb6b245ef86970 100644 (file)
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -599,6 +599,14 @@ void unuse_pack(struct pack_window **w_cursor)
        }
 }
 
+void close_pack_index(struct packed_git *p)
+{
+       if (p->index_data) {
+               munmap((void *)p->index_data, p->index_size);
+               p->index_data = NULL;
+       }
+}
+
 /*
  * This is used by git-repack in case a newly created pack happens to
  * contain the same set of objects as an existing one.  In that case
@@ -620,8 +628,7 @@ void free_pack_by_name(const char *pack_name)
                        close_pack_windows(p);
                        if (p->pack_fd != -1)
                                close(p->pack_fd);
-                       if (p->index_data)
-                               munmap((void *)p->index_data, p->index_size);
+                       close_pack_index(p);
                        free(p->bad_object_sha1);
                        *pp = p->next;
                        free(p);
@@ -831,9 +838,8 @@ struct packed_git *add_packed_git(const char *path, int path_len, int local)
        return p;
 }
 
-struct packed_git *parse_pack_index(unsigned char *sha1)
+struct packed_git *parse_pack_index(unsigned char *sha1, const char *idx_path)
 {
-       const char *idx_path = sha1_pack_index_name(sha1);
        const char *path = sha1_pack_name(sha1);
        struct packed_git *p = alloc_packed_git(strlen(path) + 1);
 
@@ -2448,6 +2454,8 @@ int index_fd(unsigned char *sha1, int fd, struct stat *st, int write_object,
                else
                        ret = -1;
                strbuf_release(&sbuf);
+       } else if (!size) {
+               ret = index_mem(sha1, NULL, size, write_object, type, path);
        } else if (size <= SMALL_FILE_SIZE) {
                char *buf = xmalloc(size);
                if (size == read_in_full(fd, buf, size))
@@ -2456,12 +2464,11 @@ int index_fd(unsigned char *sha1, int fd, struct stat *st, int write_object,
                else
                        ret = error("short read %s", strerror(errno));
                free(buf);
-       } else if (size) {
+       } else {
                void *buf = xmmap(NULL, size, PROT_READ, MAP_PRIVATE, fd, 0);
                ret = index_mem(sha1, buf, size, write_object, type, path);
                munmap(buf, size);
-       } else
-               ret = index_mem(sha1, NULL, size, write_object, type, path);
+       }
        close(fd);
        return ret;
 }