#include "ll-merge.h"
 #include "blob.h"
 #include "merge-blobs.h"
+#include "object-store.h"
 
 static int fill_mmfile_blob(mmfile_t *f, struct blob *obj)
 {
        unsigned long size;
        enum object_type type;
 
-       buf = read_sha1_file(obj->object.oid.hash, &type, &size);
+       buf = read_object_file(&obj->object.oid, &type, &size);
        if (!buf)
                return -1;
        if (type != OBJ_BLOB) {
        free(f->ptr);
 }
 
-static void *three_way_filemerge(const char *path, mmfile_t *base, mmfile_t *our, mmfile_t *their, unsigned long *size)
+static void *three_way_filemerge(struct index_state *istate,
+                                const char *path,
+                                mmfile_t *base,
+                                mmfile_t *our,
+                                mmfile_t *their,
+                                unsigned long *size)
 {
        int merge_status;
        mmbuffer_t res;
         * common ancestor.
         */
        merge_status = ll_merge(&res, path, base, NULL,
-                               our, ".our", their, ".their", NULL);
+                               our, ".our", their, ".their",
+                               istate, NULL);
        if (merge_status < 0)
                return NULL;
 
        return res.ptr;
 }
 
-void *merge_blobs(const char *path, struct blob *base, struct blob *our, struct blob *their, unsigned long *size)
+void *merge_blobs(struct index_state *istate, const char *path,
+                 struct blob *base, struct blob *our,
+                 struct blob *their, unsigned long *size)
 {
        void *res = NULL;
        mmfile_t f1, f2, common;
                        return NULL;
                if (!our)
                        our = their;
-               return read_sha1_file(our->object.oid.hash, &type, size);
+               return read_object_file(&our->object.oid, &type, size);
        }
 
        if (fill_mmfile_blob(&f1, our) < 0)
                common.ptr = xstrdup("");
                common.size = 0;
        }
-       res = three_way_filemerge(path, &common, &f1, &f2, size);
+       res = three_way_filemerge(istate, path, &common, &f1, &f2, size);
        free_mmfile(&common);
 out_free_f2_f1:
        free_mmfile(&f2);