Merge branch 'bw/c-plus-plus'

Avoid using identifiers that clash with C++ keywords.  Even though
it is not a goal to compile Git with C++ compilers, changes like
this help use of code analysis tools that targets C++ on our
codebase.

* bw/c-plus-plus: (37 commits)
  replace: rename 'new' variables
  trailer: rename 'template' variables
  tempfile: rename 'template' variables
  wrapper: rename 'template' variables
  environment: rename 'namespace' variables
  diff: rename 'template' variables
  environment: rename 'template' variables
  init-db: rename 'template' variables
  unpack-trees: rename 'new' variables
  trailer: rename 'new' variables
  submodule: rename 'new' variables
  split-index: rename 'new' variables
  remote: rename 'new' variables
  ref-filter: rename 'new' variables
  read-cache: rename 'new' variables
  line-log: rename 'new' variables
  imap-send: rename 'new' variables
  http: rename 'new' variables
  entry: rename 'new' variables
  diffcore-delta: rename 'new' variables
  ...

21 files changed, 253 insertions, 253 deletions

diff --git a/builtin/cat-file.c b/builtin/cat-file.c
index cf9ea5c796..d90170f070 100644
--- a/builtin/cat-file.c
+++ b/builtin/cat-file.c
@@ -76,7 +76,7 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name,
 	buf = NULL;
 	switch (opt) {
 	case 't':
-		oi.typename = &sb;
+		oi.type_name = &sb;
 		if (sha1_object_info_extended(oid.hash, &oi, flags) < 0)
 			die("git cat-file: could not get object info");
 		if (sb.len) {
@@ -229,7 +229,7 @@ static void expand_atom(struct strbuf *sb, const char *atom, int len,
 		if (data->mark_query)
 			data->info.typep = &data->type;
 		else
-			strbuf_addstr(sb, typename(data->type));
+			strbuf_addstr(sb, type_name(data->type));
 	} else if (is_atom("objectsize", atom, len)) {
 		if (data->mark_query)
 			data->info.sizep = &data->size;
diff --git a/builtin/checkout.c b/builtin/checkout.c
index 191b96c49c..a52af2e507 100644
--- a/builtin/checkout.c
+++ b/builtin/checkout.c
@@ -54,14 +54,14 @@ struct checkout_opts {
 	struct tree *source_tree;
 };
 
-static int post_checkout_hook(struct commit *old, struct commit *new,
+static int post_checkout_hook(struct commit *old_commit, struct commit *new_commit,
 			      int changed)
 {
 	return run_hook_le(NULL, "post-checkout",
-			   oid_to_hex(old ? &old->object.oid : &null_oid),
-			   oid_to_hex(new ? &new->object.oid : &null_oid),
+			   oid_to_hex(old_commit ? &old_commit->object.oid : &null_oid),
+			   oid_to_hex(new_commit ? &new_commit->object.oid : &null_oid),
 			   changed ? "1" : "0", NULL);
-	/* "new" can be NULL when checking out from the index before
+	/* "new_commit" can be NULL when checking out from the index before
 	   a commit exists. */
 
 }
@@ -471,8 +471,8 @@ static void setup_branch_path(struct branch_info *branch)
 }
 
 static int merge_working_tree(const struct checkout_opts *opts,
-			      struct branch_info *old,
-			      struct branch_info *new,
+			      struct branch_info *old_branch_info,
+			      struct branch_info *new_branch_info,
 			      int *writeout_error)
 {
 	int ret;
@@ -484,7 +484,7 @@ static int merge_working_tree(const struct checkout_opts *opts,
 
 	resolve_undo_clear();
 	if (opts->force) {
-		ret = reset_tree(new->commit->tree, opts, 1, writeout_error);
+		ret = reset_tree(new_branch_info->commit->tree, opts, 1, writeout_error);
 		if (ret)
 			return ret;
 	} else {
@@ -510,7 +510,7 @@ static int merge_working_tree(const struct checkout_opts *opts,
 		topts.initial_checkout = is_cache_unborn();
 		topts.update = 1;
 		topts.merge = 1;
-		topts.gently = opts->merge && old->commit;
+		topts.gently = opts->merge && old_branch_info->commit;
 		topts.verbose_update = opts->show_progress;
 		topts.fn = twoway_merge;
 		if (opts->overwrite_ignore) {
@@ -518,11 +518,11 @@ static int merge_working_tree(const struct checkout_opts *opts,
 			topts.dir->flags |= DIR_SHOW_IGNORED;
 			setup_standard_excludes(topts.dir);
 		}
-		tree = parse_tree_indirect(old->commit ?
-					   &old->commit->object.oid :
+		tree = parse_tree_indirect(old_branch_info->commit ?
+					   &old_branch_info->commit->object.oid :
 					   the_hash_algo->empty_tree);
 		init_tree_desc(&trees[0], tree->buffer, tree->size);
-		tree = parse_tree_indirect(&new->commit->object.oid);
+		tree = parse_tree_indirect(&new_branch_info->commit->object.oid);
 		init_tree_desc(&trees[1], tree->buffer, tree->size);
 
 		ret = unpack_trees(2, trees, &topts);
@@ -539,10 +539,10 @@ static int merge_working_tree(const struct checkout_opts *opts,
 				return 1;
 
 			/*
-			 * Without old->commit, the below is the same as
+			 * Without old_branch_info->commit, the below is the same as
 			 * the two-tree unpack we already tried and failed.
 			 */
-			if (!old->commit)
+			if (!old_branch_info->commit)
 				return 1;
 
 			/* Do more real merge */
@@ -570,18 +570,18 @@ static int merge_working_tree(const struct checkout_opts *opts,
 			o.verbosity = 0;
 			work = write_tree_from_memory(&o);
 
-			ret = reset_tree(new->commit->tree, opts, 1,
+			ret = reset_tree(new_branch_info->commit->tree, opts, 1,
 					 writeout_error);
 			if (ret)
 				return ret;
-			o.ancestor = old->name;
-			o.branch1 = new->name;
+			o.ancestor = old_branch_info->name;
+			o.branch1 = new_branch_info->name;
 			o.branch2 = "local";
-			ret = merge_trees(&o, new->commit->tree, work,
-				old->commit->tree, &result);
+			ret = merge_trees(&o, new_branch_info->commit->tree, work,
+				old_branch_info->commit->tree, &result);
 			if (ret < 0)
 				exit(128);
-			ret = reset_tree(new->commit->tree, opts, 0,
+			ret = reset_tree(new_branch_info->commit->tree, opts, 0,
 					 writeout_error);
 			strbuf_release(&o.obuf);
 			if (ret)
@@ -599,15 +599,15 @@ static int merge_working_tree(const struct checkout_opts *opts,
 		die(_("unable to write new index file"));
 
 	if (!opts->force && !opts->quiet)
-		show_local_changes(&new->commit->object, &opts->diff_options);
+		show_local_changes(&new_branch_info->commit->object, &opts->diff_options);
 
 	return 0;
 }
 
-static void report_tracking(struct branch_info *new)
+static void report_tracking(struct branch_info *new_branch_info)
 {
 	struct strbuf sb = STRBUF_INIT;
-	struct branch *branch = branch_get(new->name);
+	struct branch *branch = branch_get(new_branch_info->name);
 
 	if (!format_tracking_info(branch, &sb))
 		return;
@@ -616,8 +616,8 @@ static void report_tracking(struct branch_info *new)
 }
 
 static void update_refs_for_switch(const struct checkout_opts *opts,
-				   struct branch_info *old,
-				   struct branch_info *new)
+				   struct branch_info *old_branch_info,
+				   struct branch_info *new_branch_info)
 {
 	struct strbuf msg = STRBUF_INIT;
 	const char *old_desc, *reflog_msg;
@@ -644,69 +644,69 @@ static void update_refs_for_switch(const struct checkout_opts *opts,
 			free(refname);
 		}
 		else
-			create_branch(opts->new_branch, new->name,
+			create_branch(opts->new_branch, new_branch_info->name,
 				      opts->new_branch_force ? 1 : 0,
 				      opts->new_branch_force ? 1 : 0,
 				      opts->new_branch_log,
 				      opts->quiet,
 				      opts->track);
-		new->name = opts->new_branch;
-		setup_branch_path(new);
+		new_branch_info->name = opts->new_branch;
+		setup_branch_path(new_branch_info);
 	}
 
-	old_desc = old->name;
-	if (!old_desc && old->commit)
-		old_desc = oid_to_hex(&old->commit->object.oid);
+	old_desc = old_branch_info->name;
+	if (!old_desc && old_branch_info->commit)
+		old_desc = oid_to_hex(&old_branch_info->commit->object.oid);
 
 	reflog_msg = getenv("GIT_REFLOG_ACTION");
 	if (!reflog_msg)
 		strbuf_addf(&msg, "checkout: moving from %s to %s",
-			old_desc ? old_desc : "(invalid)", new->name);
+			old_desc ? old_desc : "(invalid)", new_branch_info->name);
 	else
 		strbuf_insert(&msg, 0, reflog_msg, strlen(reflog_msg));
 
-	if (!strcmp(new->name, "HEAD") && !new->path && !opts->force_detach) {
+	if (!strcmp(new_branch_info->name, "HEAD") && !new_branch_info->path && !opts->force_detach) {
 		/* Nothing to do. */
-	} else if (opts->force_detach || !new->path) {	/* No longer on any branch. */
-		update_ref(msg.buf, "HEAD", &new->commit->object.oid, NULL,
+	} else if (opts->force_detach || !new_branch_info->path) {	/* No longer on any branch. */
+		update_ref(msg.buf, "HEAD", &new_branch_info->commit->object.oid, NULL,
 			   REF_NO_DEREF, UPDATE_REFS_DIE_ON_ERR);
 		if (!opts->quiet) {
-			if (old->path &&
+			if (old_branch_info->path &&
 			    advice_detached_head && !opts->force_detach)
-				detach_advice(new->name);
-			describe_detached_head(_("HEAD is now at"), new->commit);
+				detach_advice(new_branch_info->name);
+			describe_detached_head(_("HEAD is now at"), new_branch_info->commit);
 		}
-	} else if (new->path) {	/* Switch branches. */
-		if (create_symref("HEAD", new->path, msg.buf) < 0)
+	} else if (new_branch_info->path) {	/* Switch branches. */
+		if (create_symref("HEAD", new_branch_info->path, msg.buf) < 0)
 			die(_("unable to update HEAD"));
 		if (!opts->quiet) {
-			if (old->path && !strcmp(new->path, old->path)) {
+			if (old_branch_info->path && !strcmp(new_branch_info->path, old_branch_info->path)) {
 				if (opts->new_branch_force)
 					fprintf(stderr, _("Reset branch '%s'\n"),
-						new->name);
+						new_branch_info->name);
 				else
 					fprintf(stderr, _("Already on '%s'\n"),
-						new->name);
+						new_branch_info->name);
 			} else if (opts->new_branch) {
 				if (opts->branch_exists)
-					fprintf(stderr, _("Switched to and reset branch '%s'\n"), new->name);
+					fprintf(stderr, _("Switched to and reset branch '%s'\n"), new_branch_info->name);
 				else
-					fprintf(stderr, _("Switched to a new branch '%s'\n"), new->name);
+					fprintf(stderr, _("Switched to a new branch '%s'\n"), new_branch_info->name);
 			} else {
 				fprintf(stderr, _("Switched to branch '%s'\n"),
-					new->name);
+					new_branch_info->name);
 			}
 		}
-		if (old->path && old->name) {
-			if (!ref_exists(old->path) && reflog_exists(old->path))
-				delete_reflog(old->path);
+		if (old_branch_info->path && old_branch_info->name) {
+			if (!ref_exists(old_branch_info->path) && reflog_exists(old_branch_info->path))
+				delete_reflog(old_branch_info->path);
 		}
 	}
 	remove_branch_state();
 	strbuf_release(&msg);
 	if (!opts->quiet &&
-	    (new->path || (!opts->force_detach && !strcmp(new->name, "HEAD"))))
-		report_tracking(new);
+	    (new_branch_info->path || (!opts->force_detach && !strcmp(new_branch_info->name, "HEAD"))))
+		report_tracking(new_branch_info);
 }
 
 static int add_pending_uninteresting_ref(const char *refname,
@@ -786,10 +786,10 @@ static void suggest_reattach(struct commit *commit, struct rev_info *revs)
  * HEAD.  If it is not reachable from any ref, this is the last chance
  * for the user to do so without resorting to reflog.
  */
-static void orphaned_commit_warning(struct commit *old, struct commit *new)
+static void orphaned_commit_warning(struct commit *old_commit, struct commit *new_commit)
 {
 	struct rev_info revs;
-	struct object *object = &old->object;
+	struct object *object = &old_commit->object;
 
 	init_revisions(&revs, NULL);
 	setup_revisions(0, NULL, &revs, NULL);
@@ -798,57 +798,57 @@ static void orphaned_commit_warning(struct commit *old, struct commit *new)
 	add_pending_object(&revs, object, oid_to_hex(&object->oid));
 
 	for_each_ref(add_pending_uninteresting_ref, &revs);
-	add_pending_oid(&revs, "HEAD", &new->object.oid, UNINTERESTING);
+	add_pending_oid(&revs, "HEAD", &new_commit->object.oid, UNINTERESTING);
 
 	if (prepare_revision_walk(&revs))
 		die(_("internal error in revision walk"));
-	if (!(old->object.flags & UNINTERESTING))
-		suggest_reattach(old, &revs);
+	if (!(old_commit->object.flags & UNINTERESTING))
+		suggest_reattach(old_commit, &revs);
 	else
-		describe_detached_head(_("Previous HEAD position was"), old);
+		describe_detached_head(_("Previous HEAD position was"), old_commit);
 
 	/* Clean up objects used, as they will be reused. */
 	clear_commit_marks_all(ALL_REV_FLAGS);
 }
 
 static int switch_branches(const struct checkout_opts *opts,
-			   struct branch_info *new)
+			   struct branch_info *new_branch_info)
 {
 	int ret = 0;
-	struct branch_info old;
+	struct branch_info old_branch_info;
 	void *path_to_free;
 	struct object_id rev;
 	int flag, writeout_error = 0;
-	memset(&old, 0, sizeof(old));
-	old.path = path_to_free = resolve_refdup("HEAD", 0, &rev, &flag);
-	if (old.path)
-		old.commit = lookup_commit_reference_gently(&rev, 1);
+	memset(&old_branch_info, 0, sizeof(old_branch_info));
+	old_branch_info.path = path_to_free = resolve_refdup("HEAD", 0, &rev, &flag);
+	if (old_branch_info.path)
+		old_branch_info.commit = lookup_commit_reference_gently(&rev, 1);
 	if (!(flag & REF_ISSYMREF))
-		old.path = NULL;
+		old_branch_info.path = NULL;
 
-	if (old.path)
-		skip_prefix(old.path, "refs/heads/", &old.name);
+	if (old_branch_info.path)
+		skip_prefix(old_branch_info.path, "refs/heads/", &old_branch_info.name);
 
-	if (!new->name) {
-		new->name = "HEAD";
-		new->commit = old.commit;
-		if (!new->commit)
+	if (!new_branch_info->name) {
+		new_branch_info->name = "HEAD";
+		new_branch_info->commit = old_branch_info.commit;
+		if (!new_branch_info->commit)
 			die(_("You are on a branch yet to be born"));
-		parse_commit_or_die(new->commit);
+		parse_commit_or_die(new_branch_info->commit);
 	}
 
-	ret = merge_working_tree(opts, &old, new, &writeout_error);
+	ret = merge_working_tree(opts, &old_branch_info, new_branch_info, &writeout_error);
 	if (ret) {
 		free(path_to_free);
 		return ret;
 	}
 
-	if (!opts->quiet && !old.path && old.commit && new->commit != old.commit)
-		orphaned_commit_warning(old.commit, new->commit);
+	if (!opts->quiet && !old_branch_info.path && old_branch_info.commit && new_branch_info->commit != old_branch_info.commit)
+		orphaned_commit_warning(old_branch_info.commit, new_branch_info->commit);
 
-	update_refs_for_switch(opts, &old, new);
+	update_refs_for_switch(opts, &old_branch_info, new_branch_info);
 
-	ret = post_checkout_hook(old.commit, new->commit, 1);
+	ret = post_checkout_hook(old_branch_info.commit, new_branch_info->commit, 1);
 	free(path_to_free);
 	return ret || writeout_error;
 }
@@ -869,7 +869,7 @@ static int git_checkout_config(const char *var, const char *value, void *cb)
 
 static int parse_branchname_arg(int argc, const char **argv,
 				int dwim_new_local_branch_ok,
-				struct branch_info *new,
+				struct branch_info *new_branch_info,
 				struct checkout_opts *opts,
 				struct object_id *rev)
 {
@@ -987,22 +987,22 @@ static int parse_branchname_arg(int argc, const char **argv,
 	argv++;
 	argc--;
 
-	new->name = arg;
-	setup_branch_path(new);
+	new_branch_info->name = arg;
+	setup_branch_path(new_branch_info);
 
-	if (!check_refname_format(new->path, 0) &&
-	    !read_ref(new->path, &branch_rev))
+	if (!check_refname_format(new_branch_info->path, 0) &&
+	    !read_ref(new_branch_info->path, &branch_rev))
 		oidcpy(rev, &branch_rev);
 	else
-		new->path = NULL; /* not an existing branch */
+		new_branch_info->path = NULL; /* not an existing branch */
 
-	new->commit = lookup_commit_reference_gently(rev, 1);
-	if (!new->commit) {
+	new_branch_info->commit = lookup_commit_reference_gently(rev, 1);
+	if (!new_branch_info->commit) {
 		/* not a commit */
 		*source_tree = parse_tree_indirect(rev);
 	} else {
-		parse_commit_or_die(new->commit);
-		*source_tree = new->commit->tree;
+		parse_commit_or_die(new_branch_info->commit);
+		*source_tree = new_branch_info->commit->tree;
 	}
 
 	if (!*source_tree)                   /* case (1): want a tree */
@@ -1042,7 +1042,7 @@ static int switch_unborn_to_new_branch(const struct checkout_opts *opts)
 }
 
 static int checkout_branch(struct checkout_opts *opts,
-			   struct branch_info *new)
+			   struct branch_info *new_branch_info)
 {
 	if (opts->pathspec.nr)
 		die(_("paths cannot be used with switching branches"));
@@ -1071,21 +1071,21 @@ static int checkout_branch(struct checkout_opts *opts,
 	} else if (opts->track == BRANCH_TRACK_UNSPECIFIED)
 		opts->track = git_branch_track;
 
-	if (new->name && !new->commit)
+	if (new_branch_info->name && !new_branch_info->commit)
 		die(_("Cannot switch branch to a non-commit '%s'"),
-		    new->name);
+		    new_branch_info->name);
 
-	if (new->path && !opts->force_detach && !opts->new_branch &&
+	if (new_branch_info->path && !opts->force_detach && !opts->new_branch &&
 	    !opts->ignore_other_worktrees) {
 		int flag;
 		char *head_ref = resolve_refdup("HEAD", 0, NULL, &flag);
 		if (head_ref &&
-		    (!(flag & REF_ISSYMREF) || strcmp(head_ref, new->path)))
-			die_if_checked_out(new->path, 1);
+		    (!(flag & REF_ISSYMREF) || strcmp(head_ref, new_branch_info->path)))
+			die_if_checked_out(new_branch_info->path, 1);
 		free(head_ref);
 	}
 
-	if (!new->commit && opts->new_branch) {
+	if (!new_branch_info->commit && opts->new_branch) {
 		struct object_id rev;
 		int flag;
 
@@ -1093,13 +1093,13 @@ static int checkout_branch(struct checkout_opts *opts,
 		    (flag & REF_ISSYMREF) && is_null_oid(&rev))
 			return switch_unborn_to_new_branch(opts);
 	}
-	return switch_branches(opts, new);
+	return switch_branches(opts, new_branch_info);
 }
 
 int cmd_checkout(int argc, const char **argv, const char *prefix)
 {
 	struct checkout_opts opts;
-	struct branch_info new;
+	struct branch_info new_branch_info;
 	char *conflict_style = NULL;
 	int dwim_new_local_branch = 1;
 	struct option options[] = {
@@ -1137,7 +1137,7 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
 	};
 
 	memset(&opts, 0, sizeof(opts));
-	memset(&new, 0, sizeof(new));
+	memset(&new_branch_info, 0, sizeof(new_branch_info));
 	opts.overwrite_ignore = 1;
 	opts.prefix = prefix;
 	opts.show_progress = -1;
@@ -1209,7 +1209,7 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
 			opts.track == BRANCH_TRACK_UNSPECIFIED &&
 			!opts.new_branch;
 		int n = parse_branchname_arg(argc, argv, dwim_ok,
-					     &new, &opts, &rev);
+					     &new_branch_info, &opts, &rev);
 		argv += n;
 		argc -= n;
 	}
@@ -1252,7 +1252,7 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
 
 	UNLEAK(opts);
 	if (opts.patch_mode || opts.pathspec.nr)
-		return checkout_paths(&opts, new.name);
+		return checkout_paths(&opts, new_branch_info.name);
 	else
-		return checkout_branch(&opts, &new);
+		return checkout_branch(&opts, &new_branch_info);
 }
diff --git a/builtin/diff-tree.c b/builtin/diff-tree.c
index b775a75647..473615117e 100644
--- a/builtin/diff-tree.c
+++ b/builtin/diff-tree.c
@@ -76,7 +76,7 @@ static int diff_tree_stdin(char *line)
 	if (obj->type == OBJ_TREE)
 		return stdin_diff_trees((struct tree *)obj, p);
 	error("Object %s is a %s, not a commit or tree",
-	      oid_to_hex(&oid), typename(obj->type));
+	      oid_to_hex(&oid), type_name(obj->type));
 	return -1;
 }
 
diff --git a/builtin/fast-export.c b/builtin/fast-export.c
index 796d0cd66c..27b2cc138e 100644
--- a/builtin/fast-export.c
+++ b/builtin/fast-export.c
@@ -240,7 +240,7 @@ static void export_blob(const struct object_id *oid)
 		buf = read_sha1_file(oid->hash, &type, &size);
 		if (!buf)
 			die ("Could not read blob %s", oid_to_hex(oid));
-		if (check_sha1_signature(oid->hash, buf, size, typename(type)) < 0)
+		if (check_sha1_signature(oid->hash, buf, size, type_name(type)) < 0)
 			die("sha1 mismatch in blob %s", oid_to_hex(oid));
 		object = parse_object_buffer(oid, type, size, buf, &eaten);
 	}
@@ -757,7 +757,7 @@ static void handle_tag(const char *name, struct tag *tag)
 			if (tagged->type != OBJ_COMMIT) {
 				die ("Tag %s tags unexported %s!",
 				     oid_to_hex(&tag->object.oid),
-				     typename(tagged->type));
+				     type_name(tagged->type));
 			}
 			p = (struct commit *)tagged;
 			for (;;) {
@@ -839,7 +839,7 @@ static void get_tags_and_duplicates(struct rev_cmdline_info *info)
 		if (!commit) {
 			warning("%s: Unexpected object of type %s, skipping.",
 				e->name,
-				typename(e->item->type));
+				type_name(e->item->type));
 			continue;
 		}
 
@@ -851,7 +851,7 @@ static void get_tags_and_duplicates(struct rev_cmdline_info *info)
 			continue;
 		default: /* OBJ_TAG (nested tags) is already handled */
 			warning("Tag points to object of unexpected type %s, skipping.",
-				typename(commit->object.type));
+				type_name(commit->object.type));
 			continue;
 		}
 
diff --git a/builtin/fsck.c b/builtin/fsck.c
index 9981db2263..ef78c6c00c 100644
--- a/builtin/fsck.c
+++ b/builtin/fsck.c
@@ -70,7 +70,7 @@ static const char *printable_type(struct object *obj)
 			object_as_type(obj, type, 0);
 	}
 
-	ret = typename(obj->type);
+	ret = type_name(obj->type);
 	if (!ret)
 		ret = "unknown";
 
@@ -137,7 +137,7 @@ static int mark_object(struct object *obj, int type, void *data, struct fsck_opt
 		printf("broken link from %7s %s\n",
 			   printable_type(parent), describe_object(parent));
 		printf("broken link from %7s %s\n",
-			   (type == OBJ_ANY ? "unknown" : typename(type)), "unknown");
+			   (type == OBJ_ANY ? "unknown" : type_name(type)), "unknown");
 		errors_found |= ERROR_REACHABLE;
 		return 1;
 	}
diff --git a/builtin/grep.c b/builtin/grep.c
index 3ca4ac80d8..eb12070959 100644
--- a/builtin/grep.c
+++ b/builtin/grep.c
@@ -627,7 +627,7 @@ static int grep_object(struct grep_opt *opt, const struct pathspec *pathspec,
 		free(data);
 		return hit;
 	}
-	die(_("unable to grep from object of type %s"), typename(obj->type));
+	die(_("unable to grep from object of type %s"), type_name(obj->type));
 }
 
 static int grep_objects(struct grep_opt *opt, const struct pathspec *pathspec,
diff --git a/builtin/help.c b/builtin/help.c
index d3c8fc4082..598867cfea 100644
--- a/builtin/help.c
+++ b/builtin/help.c
@@ -194,11 +194,11 @@ static void do_add_man_viewer_info(const char *name,
 				   size_t len,
 				   const char *value)
 {
-	struct man_viewer_info_list *new;
-	FLEX_ALLOC_MEM(new, name, name, len);
-	new->info = xstrdup(value);
-	new->next = man_viewer_info_list;
-	man_viewer_info_list = new;
+	struct man_viewer_info_list *new_man_viewer;
+	FLEX_ALLOC_MEM(new_man_viewer, name, name, len);
+	new_man_viewer->info = xstrdup(value);
+	new_man_viewer->next = man_viewer_info_list;
+	man_viewer_info_list = new_man_viewer;
 }
 
 static int add_man_viewer_path(const char *name,
diff --git a/builtin/index-pack.c b/builtin/index-pack.c
index 7e3e1a461c..59878e70b8 100644
--- a/builtin/index-pack.c
+++ b/builtin/index-pack.c
@@ -228,7 +228,7 @@ static unsigned check_object(struct object *obj)
 		if (type != obj->type)
 			die(_("object %s: expected type %s, found %s"),
 			    oid_to_hex(&obj->oid),
-			    typename(obj->type), typename(type));
+			    type_name(obj->type), type_name(type));
 		obj->flags |= FLAG_CHECKED;
 		return 1;
 	}
@@ -448,7 +448,7 @@ static void *unpack_entry_data(off_t offset, unsigned long size,
 	int hdrlen;
 
 	if (!is_delta_type(type)) {
-		hdrlen = xsnprintf(hdr, sizeof(hdr), "%s %lu", typename(type), size) + 1;
+		hdrlen = xsnprintf(hdr, sizeof(hdr), "%s %lu", type_name(type), size) + 1;
 		the_hash_algo->init_fn(&c);
 		the_hash_algo->update_fn(&c, hdr, hdrlen);
 	} else
@@ -849,7 +849,7 @@ static void sha1_object(const void *data, struct object_entry *obj_entry,
 			obj = parse_object_buffer(oid, type, size, buf,
 						  &eaten);
 			if (!obj)
-				die(_("invalid %s"), typename(type));
+				die(_("invalid %s"), type_name(type));
 			if (do_fsck_object &&
 			    fsck_object(obj, buf, size, &fsck_options))
 				die(_("Error in object"));
@@ -959,7 +959,7 @@ static void resolve_delta(struct object_entry *delta_obj,
 	if (!result->data)
 		bad_object(delta_obj->idx.offset, _("failed to apply delta"));
 	hash_object_file(result->data, result->size,
-			 typename(delta_obj->real_type), &delta_obj->idx.oid);
+			 type_name(delta_obj->real_type), &delta_obj->idx.oid);
 	sha1_object(result->data, NULL, result->size, delta_obj->real_type,
 		    &delta_obj->idx.oid);
 	counter_lock();
@@ -1378,7 +1378,7 @@ static void fix_unresolved_deltas(struct hashfile *f)
 			continue;
 
 		if (check_sha1_signature(d->sha1, base_obj->data,
-				base_obj->size, typename(type)))
+				base_obj->size, type_name(type)))
 			die(_("local object %s is corrupt"), sha1_to_hex(d->sha1));
 		base_obj->obj = append_obj_to_pack(f, d->sha1,
 					base_obj->data, base_obj->size, type);
@@ -1615,7 +1615,7 @@ static void show_pack_info(int stat_only)
 			continue;
 		printf("%s %-6s %lu %lu %"PRIuMAX,
 		       oid_to_hex(&obj->idx.oid),
-		       typename(obj->real_type), obj->size,
+		       type_name(obj->real_type), obj->size,
 		       (unsigned long)(obj[1].idx.offset - obj->idx.offset),
 		       (uintmax_t)obj->idx.offset);
 		if (is_delta_type(obj->type)) {
diff --git a/builtin/init-db.c b/builtin/init-db.c
index c9b7946bad..68ff4ad75a 100644
--- a/builtin/init-db.c
+++ b/builtin/init-db.c
@@ -24,11 +24,11 @@ static int init_is_bare_repository = 0;
 static int init_shared_repository = -1;
 static const char *init_db_template_dir;
 
-static void copy_templates_1(struct strbuf *path, struct strbuf *template,
+static void copy_templates_1(struct strbuf *path, struct strbuf *template_path,
 			     DIR *dir)
 {
 	size_t path_baselen = path->len;
-	size_t template_baselen = template->len;
+	size_t template_baselen = template_path->len;
 	struct dirent *de;
 
 	/* Note: if ".git/hooks" file exists in the repository being
@@ -44,12 +44,12 @@ static void copy_templates_1(struct strbuf *path, struct strbuf *template,
 		int exists = 0;
 
 		strbuf_setlen(path, path_baselen);
-		strbuf_setlen(template, template_baselen);
+		strbuf_setlen(template_path, template_baselen);
 
 		if (de->d_name[0] == '.')
 			continue;
 		strbuf_addstr(path, de->d_name);
-		strbuf_addstr(template, de->d_name);
+		strbuf_addstr(template_path, de->d_name);
 		if (lstat(path->buf, &st_git)) {
 			if (errno != ENOENT)
 				die_errno(_("cannot stat '%s'"), path->buf);
@@ -57,36 +57,36 @@ static void copy_templates_1(struct strbuf *path, struct strbuf *template,
 		else
 			exists = 1;
 
-		if (lstat(template->buf, &st_template))
-			die_errno(_("cannot stat template '%s'"), template->buf);
+		if (lstat(template_path->buf, &st_template))
+			die_errno(_("cannot stat template '%s'"), template_path->buf);
 
 		if (S_ISDIR(st_template.st_mode)) {
-			DIR *subdir = opendir(template->buf);
+			DIR *subdir = opendir(template_path->buf);
 			if (!subdir)
-				die_errno(_("cannot opendir '%s'"), template->buf);
+				die_errno(_("cannot opendir '%s'"), template_path->buf);
 			strbuf_addch(path, '/');
-			strbuf_addch(template, '/');
-			copy_templates_1(path, template, subdir);
+			strbuf_addch(template_path, '/');
+			copy_templates_1(path, template_path, subdir);
 			closedir(subdir);
 		}
 		else if (exists)
 			continue;
 		else if (S_ISLNK(st_template.st_mode)) {
 			struct strbuf lnk = STRBUF_INIT;
-			if (strbuf_readlink(&lnk, template->buf, 0) < 0)
-				die_errno(_("cannot readlink '%s'"), template->buf);
+			if (strbuf_readlink(&lnk, template_path->buf, 0) < 0)
+				die_errno(_("cannot readlink '%s'"), template_path->buf);
 			if (symlink(lnk.buf, path->buf))
 				die_errno(_("cannot symlink '%s' '%s'"),
 					  lnk.buf, path->buf);
 			strbuf_release(&lnk);
 		}
 		else if (S_ISREG(st_template.st_mode)) {
-			if (copy_file(path->buf, template->buf, st_template.st_mode))
+			if (copy_file(path->buf, template_path->buf, st_template.st_mode))
 				die_errno(_("cannot copy '%s' to '%s'"),
-					  template->buf, path->buf);
+					  template_path->buf, path->buf);
 		}
 		else
-			error(_("ignoring template %s"), template->buf);
+			error(_("ignoring template %s"), template_path->buf);
 	}
 }
 
diff --git a/builtin/merge.c b/builtin/merge.c
index f598001db2..e8d9d4383e 100644
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -521,7 +521,7 @@ static void merge_name(const char *remote, struct strbuf *msg)
 		if (desc && desc->obj && desc->obj->type == OBJ_TAG) {
 			strbuf_addf(msg, "%s\t\t%s '%s'\n",
 				    oid_to_hex(&desc->obj->oid),
-				    typename(desc->obj->type),
+				    type_name(desc->obj->type),
 				    remote);
 			goto cleanup;
 		}
diff --git a/builtin/mktree.c b/builtin/mktree.c
index 8dd9f52f77..f5f3c0eea1 100644
--- a/builtin/mktree.c
+++ b/builtin/mktree.c
@@ -112,7 +112,7 @@ static void mktree_line(char *buf, size_t len, int nul_term_line, int allow_miss
 	mode_type = object_type(mode);
 	if (mode_type != type_from_string(ptr)) {
 		die("entry '%s' object type (%s) doesn't match mode type (%s)",
-			path, ptr, typename(mode_type));
+			path, ptr, type_name(mode_type));
 	}
 
 	/* Check the type of object identified by sha1 */
@@ -131,7 +131,7 @@ static void mktree_line(char *buf, size_t len, int nul_term_line, int allow_miss
 			 * because the new tree entry will never be correct.
 			 */
 			die("entry '%s' object %s is a %s but specified type was (%s)",
-				path, sha1_to_hex(sha1), typename(obj_type), typename(mode_type));
+				path, sha1_to_hex(sha1), type_name(obj_type), type_name(mode_type));
 		}
 	}
 
diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c
index 5c674b2843..a197926eaa 100644
--- a/builtin/pack-objects.c
+++ b/builtin/pack-objects.c
@@ -1379,10 +1379,10 @@ static void cleanup_preferred_base(void)
 	it = pbase_tree;
 	pbase_tree = NULL;
 	while (it) {
-		struct pbase_tree *this = it;
-		it = this->next;
-		free(this->pcache.tree_data);
-		free(this);
+		struct pbase_tree *tmp = it;
+		it = tmp->next;
+		free(tmp->pcache.tree_data);
+		free(tmp);
 	}
 
 	for (i = 0; i < ARRAY_SIZE(pbase_tree_cache); i++) {
diff --git a/builtin/pack-redundant.c b/builtin/pack-redundant.c
index aaa8136322..991e1bb76f 100644
--- a/builtin/pack-redundant.c
+++ b/builtin/pack-redundant.c
@@ -48,17 +48,17 @@ static inline void llist_item_put(struct llist_item *item)
 
 static inline struct llist_item *llist_item_get(void)
 {
-	struct llist_item *new;
+	struct llist_item *new_item;
 	if ( free_nodes ) {
-		new = free_nodes;
+		new_item = free_nodes;
 		free_nodes = free_nodes->next;
 	} else {
 		int i = 1;
-		ALLOC_ARRAY(new, BLKSIZE);
+		ALLOC_ARRAY(new_item, BLKSIZE);
 		for (; i < BLKSIZE; i++)
-			llist_item_put(&new[i]);
+			llist_item_put(&new_item[i]);
 	}
-	return new;
+	return new_item;
 }
 
 static void llist_free(struct llist *list)
@@ -80,26 +80,26 @@ static inline void llist_init(struct llist **list)
 static struct llist * llist_copy(struct llist *list)
 {
 	struct llist *ret;
-	struct llist_item *new, *old, *prev;
+	struct llist_item *new_item, *old_item, *prev;
 
 	llist_init(&ret);
 
 	if ((ret->size = list->size) == 0)
 		return ret;
 
-	new = ret->front = llist_item_get();
-	new->sha1 = list->front->sha1;
+	new_item = ret->front = llist_item_get();
+	new_item->sha1 = list->front->sha1;
 
-	old = list->front->next;
-	while (old) {
-		prev = new;
-		new = llist_item_get();
-		prev->next = new;
-		new->sha1 = old->sha1;
-		old = old->next;
+	old_item = list->front->next;
+	while (old_item) {
+		prev = new_item;
+		new_item = llist_item_get();
+		prev->next = new_item;
+		new_item->sha1 = old_item->sha1;
+		old_item = old_item->next;
 	}
-	new->next = NULL;
-	ret->back = new;
+	new_item->next = NULL;
+	ret->back = new_item;
 
 	return ret;
 }
@@ -108,24 +108,24 @@ static inline struct llist_item *llist_insert(struct llist *list,
 					      struct llist_item *after,
 					       const unsigned char *sha1)
 {
-	struct llist_item *new = llist_item_get();
-	new->sha1 = sha1;
-	new->next = NULL;
+	struct llist_item *new_item = llist_item_get();
+	new_item->sha1 = sha1;
+	new_item->next = NULL;
 
 	if (after != NULL) {
-		new->next = after->next;
-		after->next = new;
+		new_item->next = after->next;
+		after->next = new_item;
 		if (after == list->back)
-			list->back = new;
+			list->back = new_item;
 	} else {/* insert in front */
 		if (list->size == 0)
-			list->back = new;
+			list->back = new_item;
 		else
-			new->next = list->front;
-		list->front = new;
+			new_item->next = list->front;
+		list->front = new_item;
 	}
 	list->size++;
-	return new;
+	return new_item;
 }
 
 static inline struct llist_item *llist_insert_back(struct llist *list,
diff --git a/builtin/prune.c b/builtin/prune.c
index 4cfec82f40..4394d01c93 100644
--- a/builtin/prune.c
+++ b/builtin/prune.c
@@ -52,7 +52,7 @@ static int prune_object(const struct object_id *oid, const char *fullpath,
 	if (show_only || verbose) {
 		enum object_type type = sha1_object_info(oid->hash, NULL);
 		printf("%s %s\n", oid_to_hex(oid),
-		       (type > 0) ? typename(type) : "unknown");
+		       (type > 0) ? type_name(type) : "unknown");
 	}
 	if (!show_only)
 		unlink_or_warn(fullpath);
diff --git a/builtin/reflog.c b/builtin/reflog.c
index 2233725315..ac3dcd7a51 100644
--- a/builtin/reflog.c
+++ b/builtin/reflog.c
@@ -289,20 +289,20 @@ static int should_expire_reflog_ent(struct object_id *ooid, struct object_id *no
 				    const char *message, void *cb_data)
 {
 	struct expire_reflog_policy_cb *cb = cb_data;
-	struct commit *old, *new;
+	struct commit *old_commit, *new_commit;
 
 	if (timestamp < cb->cmd.expire_total)
 		return 1;
 
-	old = new = NULL;
+	old_commit = new_commit = NULL;
 	if (cb->cmd.stalefix &&
-	    (!keep_entry(&old, ooid) || !keep_entry(&new, noid)))
+	    (!keep_entry(&old_commit, ooid) || !keep_entry(&new_commit, noid)))
 		return 1;
 
 	if (timestamp < cb->cmd.expire_unreachable) {
 		if (cb->unreachable_expire_kind == UE_ALWAYS)
 			return 1;
-		if (unreachable(cb, old, ooid) || unreachable(cb, new, noid))
+		if (unreachable(cb, old_commit, ooid) || unreachable(cb, new_commit, noid))
 			return 1;
 	}
 
diff --git a/builtin/remote.c b/builtin/remote.c
index d95bf904c3..6487d92abd 100644
--- a/builtin/remote.c
+++ b/builtin/remote.c
@@ -322,7 +322,7 @@ static void read_branches(void)
 
 struct ref_states {
 	struct remote *remote;
-	struct string_list new, stale, tracked, heads, push;
+	struct string_list new_refs, stale, tracked, heads, push;
 	int queried;
 };
 
@@ -337,12 +337,12 @@ static int get_ref_states(const struct ref *remote_refs, struct ref_states *stat
 			die(_("Could not get fetch map for refspec %s"),
 				states->remote->fetch_refspec[i]);
 
-	states->new.strdup_strings = 1;
+	states->new_refs.strdup_strings = 1;
 	states->tracked.strdup_strings = 1;
 	states->stale.strdup_strings = 1;
 	for (ref = fetch_map; ref; ref = ref->next) {
 		if (!ref->peer_ref || !ref_exists(ref->peer_ref->name))
-			string_list_append(&states->new, abbrev_branch(ref->name));
+			string_list_append(&states->new_refs, abbrev_branch(ref->name));
 		else
 			string_list_append(&states->tracked, abbrev_branch(ref->name));
 	}
@@ -356,7 +356,7 @@ static int get_ref_states(const struct ref *remote_refs, struct ref_states *stat
 	free_refs(stale_refs);
 	free_refs(fetch_map);
 
-	string_list_sort(&states->new);
+	string_list_sort(&states->new_refs);
 	string_list_sort(&states->tracked);
 	string_list_sort(&states->stale);
 
@@ -546,8 +546,8 @@ static int add_branch_for_removal(const char *refname,
 }
 
 struct rename_info {
-	const char *old;
-	const char *new;
+	const char *old_name;
+	const char *new_name;
 	struct string_list *remote_branches;
 };
 
@@ -560,7 +560,7 @@ static int read_remote_branches(const char *refname,
 	int flag;
 	const char *symref;
 
-	strbuf_addf(&buf, "refs/remotes/%s/", rename->old);
+	strbuf_addf(&buf, "refs/remotes/%s/", rename->old_name);
 	if (starts_with(refname, buf.buf)) {
 		item = string_list_append(rename->remote_branches, xstrdup(refname));
 		symref = resolve_ref_unsafe(refname, RESOLVE_REF_READING,
@@ -615,36 +615,36 @@ static int mv(int argc, const char **argv)
 	if (argc != 3)
 		usage_with_options(builtin_remote_rename_usage, options);
 
-	rename.old = argv[1];
-	rename.new = argv[2];
+	rename.old_name = argv[1];
+	rename.new_name = argv[2];
 	rename.remote_branches = &remote_branches;
 
-	oldremote = remote_get(rename.old);
+	oldremote = remote_get(rename.old_name);
 	if (!remote_is_configured(oldremote, 1))
-		die(_("No such remote: %s"), rename.old);
+		die(_("No such remote: %s"), rename.old_name);
 
-	if (!strcmp(rename.old, rename.new) && oldremote->origin != REMOTE_CONFIG)
+	if (!strcmp(rename.old_name, rename.new_name) && oldremote->origin != REMOTE_CONFIG)
 		return migrate_file(oldremote);
 
-	newremote = remote_get(rename.new);
+	newremote = remote_get(rename.new_name);
 	if (remote_is_configured(newremote, 1))
-		die(_("remote %s already exists."), rename.new);
+		die(_("remote %s already exists."), rename.new_name);
 
-	strbuf_addf(&buf, "refs/heads/test:refs/remotes/%s/test", rename.new);
+	strbuf_addf(&buf, "refs/heads/test:refs/remotes/%s/test", rename.new_name);
 	if (!valid_fetch_refspec(buf.buf))
-		die(_("'%s' is not a valid remote name"), rename.new);
+		die(_("'%s' is not a valid remote name"), rename.new_name);
 
 	strbuf_reset(&buf);
-	strbuf_addf(&buf, "remote.%s", rename.old);
-	strbuf_addf(&buf2, "remote.%s", rename.new);
+	strbuf_addf(&buf, "remote.%s", rename.old_name);
+	strbuf_addf(&buf2, "remote.%s", rename.new_name);
 	if (git_config_rename_section(buf.buf, buf2.buf) < 1)
 		return error(_("Could not rename config section '%s' to '%s'"),
 				buf.buf, buf2.buf);
 
 	strbuf_reset(&buf);
-	strbuf_addf(&buf, "remote.%s.fetch", rename.new);
+	strbuf_addf(&buf, "remote.%s.fetch", rename.new_name);
 	git_config_set_multivar(buf.buf, NULL, NULL, 1);
-	strbuf_addf(&old_remote_context, ":refs/remotes/%s/", rename.old);
+	strbuf_addf(&old_remote_context, ":refs/remotes/%s/", rename.old_name);
 	for (i = 0; i < oldremote->fetch_refspec_nr; i++) {
 		char *ptr;
 
@@ -655,8 +655,8 @@ static int mv(int argc, const char **argv)
 			refspec_updated = 1;
 			strbuf_splice(&buf2,
 				      ptr-buf2.buf + strlen(":refs/remotes/"),
-				      strlen(rename.old), rename.new,
-				      strlen(rename.new));
+				      strlen(rename.old_name), rename.new_name,
+				      strlen(rename.new_name));
 		} else
 			warning(_("Not updating non-default fetch refspec\n"
 				  "\t%s\n"
@@ -670,10 +670,10 @@ static int mv(int argc, const char **argv)
 	for (i = 0; i < branch_list.nr; i++) {
 		struct string_list_item *item = branch_list.items + i;
 		struct branch_info *info = item->util;
-		if (info->remote_name && !strcmp(info->remote_name, rename.old)) {
+		if (info->remote_name && !strcmp(info->remote_name, rename.old_name)) {
 			strbuf_reset(&buf);
 			strbuf_addf(&buf, "branch.%s.remote", item->string);
-			git_config_set(buf.buf, rename.new);
+			git_config_set(buf.buf, rename.new_name);
 		}
 	}
 
@@ -703,8 +703,8 @@ static int mv(int argc, const char **argv)
 			continue;
 		strbuf_reset(&buf);
 		strbuf_addstr(&buf, item->string);
-		strbuf_splice(&buf, strlen("refs/remotes/"), strlen(rename.old),
-				rename.new, strlen(rename.new));
+		strbuf_splice(&buf, strlen("refs/remotes/"), strlen(rename.old_name),
+				rename.new_name, strlen(rename.new_name));
 		strbuf_reset(&buf2);
 		strbuf_addf(&buf2, "remote: renamed %s to %s",
 				item->string, buf.buf);
@@ -718,12 +718,12 @@ static int mv(int argc, const char **argv)
 			continue;
 		strbuf_reset(&buf);
 		strbuf_addstr(&buf, item->string);
-		strbuf_splice(&buf, strlen("refs/remotes/"), strlen(rename.old),
-				rename.new, strlen(rename.new));
+		strbuf_splice(&buf, strlen("refs/remotes/"), strlen(rename.old_name),
+				rename.new_name, strlen(rename.new_name));
 		strbuf_reset(&buf2);
 		strbuf_addstr(&buf2, item->util);
-		strbuf_splice(&buf2, strlen("refs/remotes/"), strlen(rename.old),
-				rename.new, strlen(rename.new));
+		strbuf_splice(&buf2, strlen("refs/remotes/"), strlen(rename.old_name),
+				rename.new_name, strlen(rename.new_name));
 		strbuf_reset(&buf3);
 		strbuf_addf(&buf3, "remote: renamed %s to %s",
 				item->string, buf.buf);
@@ -822,7 +822,7 @@ static void clear_push_info(void *util, const char *string)
 
 static void free_remote_ref_states(struct ref_states *states)
 {
-	string_list_clear(&states->new, 0);
+	string_list_clear(&states->new_refs, 0);
 	string_list_clear(&states->stale, 1);
 	string_list_clear(&states->tracked, 0);
 	string_list_clear(&states->heads, 0);
@@ -907,7 +907,7 @@ static int show_remote_info_item(struct string_list_item *item, void *cb_data)
 	if (states->queried) {
 		const char *fmt = "%s";
 		const char *arg = "";
-		if (string_list_has_string(&states->new, name)) {
+		if (string_list_has_string(&states->new_refs, name)) {
 			fmt = _(" new (next fetch will store in remotes/%s)");
 			arg = states->remote->name;
 		} else if (string_list_has_string(&states->tracked, name))
@@ -1176,7 +1176,7 @@ static int show(int argc, const char **argv)
 
 		/* remote branch info */
 		info.width = 0;
-		for_each_string_list(&states.new, add_remote_to_show_info, &info);
+		for_each_string_list(&states.new_refs, add_remote_to_show_info, &info);
 		for_each_string_list(&states.tracked, add_remote_to_show_info, &info);
 		for_each_string_list(&states.stale, add_remote_to_show_info, &info);
 		if (info.list->nr)
diff --git a/builtin/replace.c b/builtin/replace.c
index 83d3235721..9f01f3fc7f 100644
--- a/builtin/replace.c
+++ b/builtin/replace.c
@@ -56,8 +56,8 @@ static int show_reference(const char *refname, const struct object_id *oid,
 			obj_type = sha1_object_info(object.hash, NULL);
 			repl_type = sha1_object_info(oid->hash, NULL);
 
-			printf("%s (%s) -> %s (%s)\n", refname, typename(obj_type),
-			       oid_to_hex(oid), typename(repl_type));
+			printf("%s (%s) -> %s (%s)\n", refname, type_name(obj_type),
+			       oid_to_hex(oid), type_name(repl_type));
 		}
 	}
 
@@ -168,8 +168,8 @@ static int replace_object_oid(const char *object_ref,
 		die("Objects must be of the same type.\n"
 		    "'%s' points to a replaced object of type '%s'\n"
 		    "while '%s' points to a replacement object of type '%s'.",
-		    object_ref, typename(obj_type),
-		    replace_ref, typename(repl_type));
+		    object_ref, type_name(obj_type),
+		    replace_ref, type_name(repl_type));
 
 	check_ref_valid(object, &prev, &ref, force);
 
@@ -215,7 +215,7 @@ static void export_object(const struct object_id *oid, enum object_type type,
 	argv_array_push(&cmd.args, "--no-replace-objects");
 	argv_array_push(&cmd.args, "cat-file");
 	if (raw)
-		argv_array_push(&cmd.args, typename(type));
+		argv_array_push(&cmd.args, type_name(type));
 	else
 		argv_array_push(&cmd.args, "-p");
 	argv_array_push(&cmd.args, oid_to_hex(oid));
@@ -284,30 +284,30 @@ static int edit_and_replace(const char *object_ref, int force, int raw)
 {
 	char *tmpfile = git_pathdup("REPLACE_EDITOBJ");
 	enum object_type type;
-	struct object_id old, new, prev;
+	struct object_id old_oid, new_oid, prev;
 	struct strbuf ref = STRBUF_INIT;
 
-	if (get_oid(object_ref, &old) < 0)
+	if (get_oid(object_ref, &old_oid) < 0)
 		die("Not a valid object name: '%s'", object_ref);
 
-	type = sha1_object_info(old.hash, NULL);
+	type = sha1_object_info(old_oid.hash, NULL);
 	if (type < 0)
-		die("unable to get object type for %s", oid_to_hex(&old));
+		die("unable to get object type for %s", oid_to_hex(&old_oid));
 
-	check_ref_valid(&old, &prev, &ref, force);
+	check_ref_valid(&old_oid, &prev, &ref, force);
 	strbuf_release(&ref);
 
-	export_object(&old, type, raw, tmpfile);
+	export_object(&old_oid, type, raw, tmpfile);
 	if (launch_editor(tmpfile, NULL, NULL) < 0)
 		die("editing object file failed");
-	import_object(&new, type, raw, tmpfile);
+	import_object(&new_oid, type, raw, tmpfile);
 
 	free(tmpfile);
 
-	if (!oidcmp(&old, &new))
-		return error("new object is the same as the old one: '%s'", oid_to_hex(&old));
+	if (!oidcmp(&old_oid, &new_oid))
+		return error("new object is the same as the old one: '%s'", oid_to_hex(&old_oid));
 
-	return replace_object_oid(object_ref, &old, "replacement", &new, force);
+	return replace_object_oid(object_ref, &old_oid, "replacement", &new_oid, force);
 }
 
 static void replace_parents(struct strbuf *buf, int argc, const char **argv)
@@ -355,7 +355,7 @@ static void check_one_mergetag(struct commit *commit,
 	struct tag *tag;
 	int i;
 
-	hash_object_file(extra->value, extra->len, typename(OBJ_TAG), &tag_oid);
+	hash_object_file(extra->value, extra->len, type_name(OBJ_TAG), &tag_oid);
 	tag = lookup_tag(&tag_oid);
 	if (!tag)
 		die(_("bad mergetag in commit '%s'"), ref);
@@ -386,16 +386,16 @@ static void check_mergetags(struct commit *commit, int argc, const char **argv)
 
 static int create_graft(int argc, const char **argv, int force)
 {
-	struct object_id old, new;
+	struct object_id old_oid, new_oid;
 	const char *old_ref = argv[0];
 	struct commit *commit;
 	struct strbuf buf = STRBUF_INIT;
 	const char *buffer;
 	unsigned long size;
 
-	if (get_oid(old_ref, &old) < 0)
+	if (get_oid(old_ref, &old_oid) < 0)
 		die(_("Not a valid object name: '%s'"), old_ref);
-	commit = lookup_commit_or_die(&old, old_ref);
+	commit = lookup_commit_or_die(&old_oid, old_ref);
 
 	buffer = get_commit_buffer(commit, &size);
 	strbuf_add(&buf, buffer, size);
@@ -410,15 +410,15 @@ static int create_graft(int argc, const char **argv, int force)
 
 	check_mergetags(commit, argc, argv);
 
-	if (write_object_file(buf.buf, buf.len, commit_type, &new))
+	if (write_object_file(buf.buf, buf.len, commit_type, &new_oid))
 		die(_("could not write replacement commit for: '%s'"), old_ref);
 
 	strbuf_release(&buf);
 
-	if (!oidcmp(&old, &new))
-		return error("new commit is the same as the old one: '%s'", oid_to_hex(&old));
+	if (!oidcmp(&old_oid, &new_oid))
+		return error("new commit is the same as the old one: '%s'", oid_to_hex(&old_oid));
 
-	return replace_object_oid(old_ref, &old, "replacement", &new, force);
+	return replace_object_oid(old_ref, &old_oid, "replacement", &new_oid, force);
 }
 
 int cmd_replace(int argc, const char **argv, const char *prefix)
diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c
index 96d06a5d01..a1e680b5e9 100644
--- a/builtin/rev-parse.c
+++ b/builtin/rev-parse.c
@@ -243,28 +243,28 @@ static int show_file(const char *arg, int output_prefix)
 static int try_difference(const char *arg)
 {
 	char *dotdot;
-	struct object_id oid;
-	struct object_id end;
-	const char *next;
-	const char *this;
+	struct object_id start_oid;
+	struct object_id end_oid;
+	const char *end;
+	const char *start;
 	int symmetric;
 	static const char head_by_default[] = "HEAD";
 
 	if (!(dotdot = strstr(arg, "..")))
 		return 0;
-	next = dotdot + 2;
-	this = arg;
-	symmetric = (*next == '.');
+	end = dotdot + 2;
+	start = arg;
+	symmetric = (*end == '.');
 
 	*dotdot = 0;
-	next += symmetric;
+	end += symmetric;
 
-	if (!*next)
-		next = head_by_default;
+	if (!*end)
+		end = head_by_default;
 	if (dotdot == arg)
-		this = head_by_default;
+		start = head_by_default;
 
-	if (this == head_by_default && next == head_by_default &&
+	if (start == head_by_default && end == head_by_default &&
 	    !symmetric) {
 		/*
 		 * Just ".."?  That is not a range but the
@@ -274,14 +274,14 @@ static int try_difference(const char *arg)
 		return 0;
 	}
 
-	if (!get_oid_committish(this, &oid) && !get_oid_committish(next, &end)) {
-		show_rev(NORMAL, &end, next);
-		show_rev(symmetric ? NORMAL : REVERSED, &oid, this);
+	if (!get_oid_committish(start, &start_oid) && !get_oid_committish(end, &end_oid)) {
+		show_rev(NORMAL, &end_oid, end);
+		show_rev(symmetric ? NORMAL : REVERSED, &start_oid, start);
 		if (symmetric) {
 			struct commit_list *exclude;
 			struct commit *a, *b;
-			a = lookup_commit_reference(&oid);
-			b = lookup_commit_reference(&end);
+			a = lookup_commit_reference(&start_oid);
+			b = lookup_commit_reference(&end_oid);
 			exclude = get_merge_bases(a, b);
 			while (exclude) {
 				struct commit *commit = pop_commit(&exclude);
diff --git a/builtin/tag.c b/builtin/tag.c
index 26f8d51365..8c493a569f 100644
--- a/builtin/tag.c
+++ b/builtin/tag.c
@@ -221,7 +221,7 @@ static void create_tag(const struct object_id *object, const char *tag,
 		    "tag %s\n"
 		    "tagger %s\n\n",
 		    oid_to_hex(object),
-		    typename(type),
+		    type_name(type),
 		    tag,
 		    git_committer_info(IDENT_STRICT));
 
diff --git a/builtin/unpack-objects.c b/builtin/unpack-objects.c
index 7235d2ffbf..9f96949bc0 100644
--- a/builtin/unpack-objects.c
+++ b/builtin/unpack-objects.c
@@ -173,7 +173,7 @@ static void write_cached_object(struct object *obj, struct obj_buffer *obj_buf)
 	struct object_id oid;
 
 	if (write_object_file(obj_buf->buffer, obj_buf->size,
-			      typename(obj->type), &oid) < 0)
+			      type_name(obj->type), &oid) < 0)
 		die("failed to write object %s", oid_to_hex(&obj->oid));
 	obj->flags |= FLAG_WRITTEN;
 }
@@ -238,7 +238,7 @@ static void write_object(unsigned nr, enum object_type type,
 			 void *buf, unsigned long size)
 {
 	if (!strict) {
-		if (write_object_file(buf, size, typename(type),
+		if (write_object_file(buf, size, type_name(type),
 				      &obj_list[nr].oid) < 0)
 			die("failed to write object");
 		added_object(nr, type, buf, size);
@@ -246,7 +246,7 @@ static void write_object(unsigned nr, enum object_type type,
 		obj_list[nr].obj = NULL;
 	} else if (type == OBJ_BLOB) {
 		struct blob *blob;
-		if (write_object_file(buf, size, typename(type),
+		if (write_object_file(buf, size, type_name(type),
 				      &obj_list[nr].oid) < 0)
 			die("failed to write object");
 		added_object(nr, type, buf, size);
@@ -261,12 +261,12 @@ static void write_object(unsigned nr, enum object_type type,
 	} else {
 		struct object *obj;
 		int eaten;
-		hash_object_file(buf, size, typename(type), &obj_list[nr].oid);
+		hash_object_file(buf, size, type_name(type), &obj_list[nr].oid);
 		added_object(nr, type, buf, size);
 		obj = parse_object_buffer(&obj_list[nr].oid, type, size, buf,
 					  &eaten);
 		if (!obj)
-			die("invalid %s", typename(type));
+			die("invalid %s", type_name(type));
 		add_object_buffer(obj, buf, size);
 		obj->flags |= FLAG_OPEN;
 		obj_list[nr].obj = obj;
diff --git a/builtin/verify-commit.c b/builtin/verify-commit.c
index ba38ac9b15..05315ea7c9 100644
--- a/builtin/verify-commit.c
+++ b/builtin/verify-commit.c
@@ -49,7 +49,7 @@ static int verify_commit(const char *name, unsigned flags)
 		return error("%s: unable to read file.", name);
 	if (type != OBJ_COMMIT)
 		return error("%s: cannot verify a non-commit object of type %s.",
-				name, typename(type));
+				name, type_name(type));
 
 	ret = run_gpg_verify(&oid, buf, size, flags);