read-tree: note about dropping split-index mode or index version

diff --git a/builtin/mv.c b/builtin/mv.c
index 21c46d1636e6e87dd9eaaca60ac08ebbbc4efec3..db40777396c4ee06a292089451ae7db261c3c3c5 100644 (file)
--- a/builtin/mv.c
+++ b/builtin/mv.c
@@ -63,7 +63,7 @@ static struct lock_file lock_file;
 
 int cmd_mv(int argc, const char **argv, const char *prefix)
 {
-       int i, newfd, gitmodules_modified = 0;
+       int i, gitmodules_modified = 0;
        int verbose = 0, show_only = 0, force = 0, ignore_errors = 0;
        struct option builtin_mv_options[] = {
                OPT__VERBOSE(&verbose, N_("be verbose")),
@@ -85,7 +85,7 @@ int cmd_mv(int argc, const char **argv, const char *prefix)
        if (--argc < 1)
                usage_with_options(builtin_mv_usage, builtin_mv_options);
 
-       newfd = hold_locked_index(&lock_file, 1);
+       hold_locked_index(&lock_file, 1);
        if (read_cache() < 0)
                die(_("index file corrupt"));
 
@@ -162,7 +162,8 @@ int cmd_mv(int argc, const char **argv, const char *prefix)
                                        if (strncmp(path, src_w_slash, len_w_slash))
                                                break;
                                }
-                               free((char *)src_w_slash);
+                               if (src_w_slash != src)
+                                       free((char *)src_w_slash);
 
                                if (last - first < 1)
                                        bad = _("source directory is empty");
@@ -179,6 +180,9 @@ int cmd_mv(int argc, const char **argv, const char *prefix)
                                                modes = xrealloc(modes,
                                                                (argc + last - first)
                                                                * sizeof(enum update_mode));
+                                               submodule_gitfile = xrealloc(submodule_gitfile,
+                                                               (argc + last - first)
+                                                               * sizeof(char *));
                                        }
 
                                        dst = add_slash(dst);
@@ -192,6 +196,7 @@ int cmd_mv(int argc, const char **argv, const char *prefix)
                                                        prefix_path(dst, dst_len,
                                                                path + length + 1);
                                                modes[argc + j] = INDEX;
+                                               submodule_gitfile[argc + j] = NULL;
                                        }
                                        argc += last - first;
                                }
@@ -227,6 +232,11 @@ int cmd_mv(int argc, const char **argv, const char *prefix)
                                        memmove(destination + i,
                                                destination + i + 1,
                                                (argc - i) * sizeof(char *));
+                                       memmove(modes + i, modes + i + 1,
+                                               (argc - i) * sizeof(enum update_mode));
+                                       memmove(submodule_gitfile + i,
+                                               submodule_gitfile + i + 1,
+                                               (argc - i) * sizeof(char *));
                                        i--;
                                }
                        } else
@@ -265,8 +275,7 @@ int cmd_mv(int argc, const char **argv, const char *prefix)
                stage_updated_gitmodules();
 
        if (active_cache_changed) {
-               if (write_cache(newfd, active_cache, active_nr) ||
-                   commit_locked_index(&lock_file))
+               if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK))
                        die(_("Unable to write new index file"));
        }