diff --git a/git-merge-octopus.sh b/git-merge-octopus.sh
index bcf0d92ec2..6c390d6c22 100755
--- a/git-merge-octopus.sh
+++ b/git-merge-octopus.sh
@@ -100,7 +100,7 @@ do
 	if test $? -ne 0
 	then
 		gettextln "Simple merge did not work, trying automatic merge."
-		git-merge-index -o git-merge-one-file -a ||
+		git merge-index -o git-merge-one-file -a ||
 		OCTOPUS_FAILURE=1
 		next=$(git write-tree 2>/dev/null)
 	fi
diff --git a/git-merge-one-file.sh b/git-merge-one-file.sh
index 424b034e34..9879c59395 100755
--- a/git-merge-one-file.sh
+++ b/git-merge-one-file.sh
@@ -115,16 +115,16 @@ case "${1:-.}${2:-.}${3:-.}" in
 		;;
 	esac
 
-	src1=$(git-unpack-file $2)
-	src2=$(git-unpack-file $3)
+	src1=$(git unpack-file $2)
+	src2=$(git unpack-file $3)
 	case "$1" in
 	'')
 		echo "Added $4 in both, but differently."
-		orig=$(git-unpack-file e69de29bb2d1d6434b8b29ae775ad8c2e48c5391)
+		orig=$(git unpack-file e69de29bb2d1d6434b8b29ae775ad8c2e48c5391)
 		;;
 	*)
 		echo "Auto-merging $4"
-		orig=$(git-unpack-file $1)
+		orig=$(git unpack-file $1)
 		;;
 	esac
 
diff --git a/git-merge-resolve.sh b/git-merge-resolve.sh
index c9da747fcf..343fe7bccd 100755
--- a/git-merge-resolve.sh
+++ b/git-merge-resolve.sh
@@ -45,7 +45,7 @@ then
 	exit 0
 else
 	echo "Simple merge failed, trying Automatic merge."
-	if git-merge-index -o git-merge-one-file -a
+	if git merge-index -o git-merge-one-file -a
 	then
 		exit 0
 	else
diff --git a/git-rebase--merge.sh b/git-rebase--merge.sh
index 06a4723d4d..9bc88b7054 100644
--- a/git-rebase--merge.sh
+++ b/git-rebase--merge.sh
@@ -69,7 +69,7 @@ call_merge () {
 	test -z "$strategy" && strategy=recursive
 	# If cmt doesn't have a parent, don't include it as a base
 	base=$(git rev-parse --verify --quiet $cmt^)
-	eval 'git-merge-$strategy' $strategy_opts $base ' -- "$hd" "$cmt"'
+	eval 'git merge-$strategy' $strategy_opts $base ' -- "$hd" "$cmt"'
 	rv=$?
 	case "$rv" in
 	0)
diff --git a/git-stash.sh b/git-stash.sh
index 9b6c2da7b4..9aa09c3a33 100755
--- a/git-stash.sh
+++ b/git-stash.sh
@@ -573,7 +573,7 @@ apply_stash () {
 
 	if test -n "$u_tree"
 	then
-		GIT_INDEX_FILE="$TMPindex" git-read-tree "$u_tree" &&
+		GIT_INDEX_FILE="$TMPindex" git read-tree "$u_tree" &&
 		GIT_INDEX_FILE="$TMPindex" git checkout-index --all &&
 		rm -f "$TMPindex" ||
 		die "$(gettext "Could not restore untracked files from stash entry")"
diff --git a/git-submodule.sh b/git-submodule.sh
index e131760eec..ffa2d66481 100755
--- a/git-submodule.sh
+++ b/git-submodule.sh
@@ -864,7 +864,7 @@ cmd_summary() {
 				test $status != A && test $ignore_config = all && continue
 			fi
 			# Also show added or modified modules which are checked out
-			GIT_DIR="$sm_path/.git" git-rev-parse --git-dir >/dev/null 2>&1 &&
+			GIT_DIR="$sm_path/.git" git rev-parse --git-dir >/dev/null 2>&1 &&
 			printf '%s\n' "$sm_path"
 		done
 	)
@@ -898,11 +898,11 @@ cmd_summary() {
 		missing_dst=
 
 		test $mod_src = 160000 &&
-		! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_src^0 >/dev/null &&
+		! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_src^0 >/dev/null &&
 		missing_src=t
 
 		test $mod_dst = 160000 &&
-		! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_dst^0 >/dev/null &&
+		! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_dst^0 >/dev/null &&
 		missing_dst=t
 
 		display_name=$(git submodule--helper relative-path "$name" "$wt_prefix")
diff --git a/git.c b/git.c
index 489aab4d83..3a7fa8bb2f 100644
--- a/git.c
+++ b/git.c
@@ -588,6 +588,33 @@ static int run_argv(int *argcp, const char ***argv)
 		 */
 		if (!done_alias)
 			handle_builtin(*argcp, *argv);
+		else if (get_builtin(**argv)) {
+			struct argv_array args = ARGV_ARRAY_INIT;
+			int i;
+
+			if (get_super_prefix())
+				die("%s doesn't support --super-prefix", **argv);
+
+			if (use_pager == -1)
+				use_pager = check_pager_config(**argv);
+			commit_pager_choice();
+
+			argv_array_push(&args, "git");
+			for (i = 0; i < *argcp; i++)
+				argv_array_push(&args, (*argv)[i]);
+
+			trace_argv_printf(args.argv, "trace: exec:");
+
+			/*
+			 * if we fail because the command is not found, it is
+			 * OK to return. Otherwise, we just pass along the status code.
+			 */
+			i = run_command_v_opt(args.argv, RUN_SILENT_EXEC_FAILURE |
+					      RUN_CLEAN_ON_EXIT);
+			if (i >= 0 || errno != ENOENT)
+				exit(i);
+			die("could not execute builtin %s", **argv);
+		}
 
 		/* .. then try the external ones */
 		execv_dashed_external(*argv);