Add delta-islands.{c,h}

diff --git a/merge-recursive.c b/merge-recursive.c
index 8f42a999d90c879dada0812b8f560fd989f91d2a..1446e92beaf5a85376684cef0104dcd226a7e539 100644 (file)
--- a/merge-recursive.c
+++ b/merge-recursive.c
@@ -8,6 +8,8 @@
 #include "advice.h"
 #include "lockfile.h"
 #include "cache-tree.h"
+#include "object-store.h"
+#include "repository.h"
 #include "commit.h"
 #include "blob.h"
 #include "builtin.h"
@@ -156,7 +158,7 @@ static struct tree *shift_tree_object(struct tree *one, struct tree *two,
        }
        if (!oidcmp(&two->object.oid, &shifted))
                return two;
-       return lookup_tree(&shifted);
+       return lookup_tree(the_repository, &shifted);
 }
 
 static struct commit *make_virtual_commit(struct tree *tree, const char *comment)
@@ -318,7 +320,7 @@ static int add_cacheinfo(struct merge_options *o,
        struct cache_entry *ce;
        int ret;
 
-       ce = make_cache_entry(mode, oid ? oid->hash : null_sha1, path, stage, 0);
+       ce = make_cache_entry(&the_index, mode, oid ? oid : &null_oid, path, stage, 0);
        if (!ce)
                return err(o, _("add_cacheinfo failed for path '%s'; merge aborting."), path);
 
@@ -326,7 +328,7 @@ static int add_cacheinfo(struct merge_options *o,
        if (refresh) {
                struct cache_entry *nce;
 
-               nce = refresh_cache_entry(ce, CE_MATCH_REFRESH | CE_MATCH_IGNORE_MISSING);
+               nce = refresh_cache_entry(&the_index, ce, CE_MATCH_REFRESH | CE_MATCH_IGNORE_MISSING);
                if (!nce)
                        return err(o, _("add_cacheinfo failed to refresh for path '%s'; merge aborting."), path);
                if (nce != ce)
@@ -414,7 +416,7 @@ struct tree *write_tree_from_memory(struct merge_options *o)
                return NULL;
        }
 
-       result = lookup_tree(&active_cache_tree->oid);
+       result = lookup_tree(the_repository, &active_cache_tree->oid);
 
        return result;
 }
@@ -1190,9 +1192,9 @@ static int merge_submodule(struct merge_options *o,
                return 0;
        }
 
-       if (!(commit_base = lookup_commit_reference(base)) ||
-           !(commit_a = lookup_commit_reference(a)) ||
-           !(commit_b = lookup_commit_reference(b))) {
+       if (!(commit_base = lookup_commit_reference(the_repository, base)) ||
+           !(commit_a = lookup_commit_reference(the_repository, a)) ||
+           !(commit_b = lookup_commit_reference(the_repository, b))) {
                output(o, 1, _("Failed to merge submodule %s (commits not present)"), path);
                return 0;
        }
@@ -3279,6 +3281,13 @@ int merge_trees(struct merge_options *o,
                struct tree **result)
 {
        int code, clean;
+       struct strbuf sb = STRBUF_INIT;
+
+       if (!o->call_depth && index_has_changes(&the_index, head, &sb)) {
+               err(o, _("Your local changes to the following files would be overwritten by merge:\n  %s"),
+                   sb.buf);
+               return -1;
+       }
 
        if (o->subtree_shift) {
                merge = shift_tree_object(head, merge, o->subtree_shift);
@@ -3286,13 +3295,6 @@ int merge_trees(struct merge_options *o,
        }
 
        if (oid_eq(&common->object.oid, &merge->object.oid)) {
-               struct strbuf sb = STRBUF_INIT;
-
-               if (!o->call_depth && index_has_changes(&sb)) {
-                       err(o, _("Dirty index: cannot merge (dirty: %s)"),
-                           sb.buf);
-                       return 0;
-               }
                output(o, 0, _("Already up to date!"));
                *result = head;
                return 1;
@@ -3425,7 +3427,7 @@ int merge_recursive(struct merge_options *o,
                /* if there is no common ancestor, use an empty tree */
                struct tree *tree;
 
-               tree = lookup_tree(the_hash_algo->empty_tree);
+               tree = lookup_tree(the_repository, the_repository->hash_algo->empty_tree);
                merged_common_ancestors = make_virtual_commit(tree, "ancestor");
        }
 
@@ -3487,7 +3489,9 @@ static struct commit *get_ref(const struct object_id *oid, const char *name)
 {
        struct object *object;
 
-       object = deref_tag(parse_object(oid), name, strlen(name));
+       object = deref_tag(the_repository, parse_object(the_repository, oid),
+                          name,
+                          strlen(name));
        if (!object)
                return NULL;
        if (object->type == OBJ_TREE)