* Copyright (c) 2006 Junio C Hamano
  */
 #include "cache.h"
+#include "repository.h"
 #include "config.h"
 #include "blob.h"
 #include "tree.h"
 static int grep_cmd_config(const char *var, const char *value, void *cb)
 {
        int st = grep_config(var, value, cb);
-       if (git_color_default_config(var, value, cb) < 0)
+       if (git_default_config(var, value, cb) < 0)
                st = -1;
 
        if (!strcmp(var, "grep.threads")) {
         * submodule process has its own thread pool.
         */
        argv_array_pushf(&submodule_options, "--threads=%d",
-                        (num_threads + 1) / 2);
+                        DIV_ROUND_UP(num_threads, 2));
 
        /* Add Pathspecs */
        argv_array_push(&submodule_options, "--");
 static int grep_submodule(struct grep_opt *opt, const struct object_id *oid,
                          const char *filename, const char *path)
 {
-       if (!is_submodule_initialized(path))
+       if (!is_submodule_active(the_repository, path))
                return 0;
        if (!is_submodule_populated_gently(path, NULL)) {
                /*
-                * If searching history, check for the presense of the
+                * If searching history, check for the presence of the
                 * submodule's gitdir before skipping the submodule.
                 */
                if (oid) {
                        const struct submodule *sub =
-                                       submodule_from_path(null_sha1, path);
+                                       submodule_from_path(&null_oid, path);
                        if (sub)
                                path = git_path("modules/%s", sub->name);
 
                /* load the gitmodules file for this rev */
                if (recurse_submodules) {
                        submodule_free();
-                       gitmodules_config_sha1(real_obj->oid.hash);
+                       gitmodules_config_oid(&real_obj->oid);
                }
                if (grep_object(opt, pathspec, real_obj, list->objects[i].name, list->objects[i].path)) {
                        hit = 1;
 
        if (!opt.pattern_list)
                die(_("no pattern given."));
-       if (!opt.fixed && opt.ignore_case)
-               opt.regflags |= REG_ICASE;
 
        /*
         * We have to find "--" in a separate pass, because its presence
                        break;
                }
 
-               if (get_sha1_with_context(arg, GET_SHA1_RECORD_PATH,
-                                         oid.hash, &oc)) {
+               if (get_oid_with_context(arg, GET_OID_RECORD_PATH,
+                                        &oid, &oc)) {
                        if (seen_dashdash)
                                die(_("unable to resolve revision: %s"), arg);
                        break;