builtin/branch: stop supporting the "--set-upstream" option

diff --git a/unpack-trees.c b/unpack-trees.c
index cff6b3f8c4ec9ee58eb63836bb38ec867ddd1c18..862cfce661e57e50f7c6030dd5a8eda0add0cca5 100644 (file)
--- a/unpack-trees.c
+++ b/unpack-trees.c
@@ -1,5 +1,6 @@
 #define NO_THE_INDEX_COMPATIBILITY_MACROS
 #include "cache.h"
+#include "config.h"
 #include "dir.h"
 #include "tree.h"
 #include "tree-walk.h"
@@ -252,14 +253,18 @@ static int check_submodule_move_head(const struct cache_entry *ce,
                                     const char *new_id,
                                     struct unpack_trees_options *o)
 {
+       unsigned flags = SUBMODULE_MOVE_HEAD_DRY_RUN;
        const struct submodule *sub = submodule_from_ce(ce);
        if (!sub)
                return 0;
 
+       if (o->reset)
+               flags |= SUBMODULE_MOVE_HEAD_FORCE;
+
        switch (sub->update_strategy.type) {
        case SM_UPDATE_UNSPECIFIED:
        case SM_UPDATE_CHECKOUT:
-               if (submodule_move_head(ce->name, old_id, new_id, SUBMODULE_MOVE_HEAD_DRY_RUN))
+               if (submodule_move_head(ce->name, old_id, new_id, flags))
                        return o->gently ? -1 :
                                add_rejected_path(o, ERROR_WOULD_LOSE_SUBMODULE, ce->name);
                return 0;
@@ -308,6 +313,7 @@ static void unlink_entry(const struct cache_entry *ce)
                case SM_UPDATE_CHECKOUT:
                case SM_UPDATE_REBASE:
                case SM_UPDATE_MERGE:
+                       /* state.force is set at the caller. */
                        submodule_move_head(ce->name, "HEAD", NULL,
                                            SUBMODULE_MOVE_HEAD_FORCE);
                        break;
@@ -374,6 +380,7 @@ static int check_updates(struct unpack_trees_options *o)
        if (should_update_submodules() && o->update && !o->dry_run)
                reload_gitmodules_file(index, &state);
 
+       enable_delayed_checkout(&state);
        for (i = 0; i < index->cache_nr; i++) {
                struct cache_entry *ce = index->cache[i];
 
@@ -388,6 +395,7 @@ static int check_updates(struct unpack_trees_options *o)
                        }
                }
        }
+       errs |= finish_delayed_checkout(&state);
        stop_progress(&progress);
        if (o->update)
                git_attr_set_direction(GIT_ATTR_CHECKIN, NULL);
@@ -1391,6 +1399,7 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options
                                                  WRITE_TREE_SILENT |
                                                  WRITE_TREE_REPAIR);
                }
+               move_index_extensions(&o->result, o->dst_index);
                discard_index(o->dst_index);
                *o->dst_index = o->result;
        } else {