diff --git a/Documentation/git-merge-tree.txt b/Documentation/git-merge-tree.txt
index 160e8f44b62..55bb7bc61c1 100644
--- a/Documentation/git-merge-tree.txt
+++ b/Documentation/git-merge-tree.txt
@@ -38,6 +38,11 @@ See `OUTPUT` below for details.
 OPTIONS
 -------
 
+--exclude-oids-and-modes::
+	Instead of writing a list of (mode, oid, stage, path) tuples
+	to output for conflicted files, just provide a list of
+	filenames with conflicts.
+
 --[no-]messages::
 	Write any informational messages such as "Auto-merging <path>"
 	or CONFLICT notices to the end of stdout.  If unspecified, the
@@ -55,7 +60,7 @@ simply one line:
 Whereas for a conflicted merge, the output is by default of the form:
 
 	<OID of toplevel tree>
-	<Conflicted file list>
+	<Conflicted file info>
 	<Informational messages>
 
 These are discussed individually below.
@@ -67,18 +72,23 @@ This is a tree object that represents what would be checked out in the
 working tree at the end of `git merge`.  If there were conflicts, then
 files within this tree may have embedded conflict markers.
 
-Conflicted file list
+Conflicted file info
 ~~~~~~~~~~~~~~~~~~~~
 
-This is a sequence of lines containing a filename on each line, quoted
-as explained for the configuration variable `core.quotePath` (see
-linkgit:git-config[1]).
+This is a sequence of lines with the format
+
+	<mode> <object> <stage> <filename>
+
+The filename will be quoted as explained for the configuration
+variable `core.quotePath` (see linkgit:git-config[1]).  However, if
+the `--exclude-oids-and-modes` option is passed, the mode, object, and
+stage will be omitted.
 
 Informational messages
 ~~~~~~~~~~~~~~~~~~~~~~
 
 This always starts with a blank line to separate it from the previous
-section, and then has free-form messages about the merge, such as:
+sections, and then has free-form messages about the merge, such as:
 
   * "Auto-merging <file>"
   * "CONFLICT (rename/delete): <oldfile> renamed...but deleted in..."
@@ -110,6 +120,14 @@ plumbing commands since the possibility of merge conflicts give it a
 much higher chance of the command not succeeding (and NEWTREE containing
 a bunch of stuff other than just a toplevel tree).
 
+git-merge-tree was written to provide users with the same information
+that they'd have access to if using `git merge`:
+  * what would be written to the working tree (the <OID of toplevel tree>)
+  * the higher order stages that would be written to the index (the
+    <Conflicted file info>)
+  * any messages that would have been printed to stdout (the <Informational
+    messages>)
+
 GIT
 ---
 Part of the linkgit:git[1] suite
diff --git a/builtin/merge-tree.c b/builtin/merge-tree.c
index 54dae018203..dc52cd02dce 100644
--- a/builtin/merge-tree.c
+++ b/builtin/merge-tree.c
@@ -394,6 +394,7 @@ static int trivial_merge(const char *base,
 struct merge_tree_options {
 	int mode;
 	int show_messages;
+	int exclude_modes_oids_stages;
 };
 
 static int real_merge(struct merge_tree_options *o,
@@ -450,7 +451,11 @@ static int real_merge(struct merge_tree_options *o,
 		merge_get_conflicted_files(&result, &conflicted_files);
 		for (i = 0; i < conflicted_files.nr; i++) {
 			const char *name = conflicted_files.items[i].string;
-			if (last && !strcmp(last, name))
+			struct stage_info *c = conflicted_files.items[i].util;
+			if (!o->exclude_modes_oids_stages)
+				printf("%06o %s %d\t",
+				       c->mode, oid_to_hex(&c->oid), c->stage);
+			else if (last && !strcmp(last, name))
 				continue;
 			write_name_quoted_relative(
 				name, prefix, stdout, line_termination);
@@ -485,6 +490,10 @@ int cmd_merge_tree(int argc, const char **argv, const char *prefix)
 			    N_("do a trivial merge only"), 't'),
 		OPT_BOOL(0, "messages", &o.show_messages,
 			 N_("also show informational/conflict messages")),
+		OPT_BOOL_F('l', "exclude-modes-oids-stages",
+			   &o.exclude_modes_oids_stages,
+			   N_("list conflicted files without modes/oids/stages"),
+			   PARSE_OPT_NONEG),
 		OPT_END()
 	};
 
diff --git a/t/t4301-merge-tree-write-tree.sh b/t/t4301-merge-tree-write-tree.sh
index 7113d060bc5..1572f460da0 100755
--- a/t/t4301-merge-tree-write-tree.sh
+++ b/t/t4301-merge-tree-write-tree.sh
@@ -47,6 +47,7 @@ test_expect_success 'Content merge and a few conflicts' '
 	expected_tree=$(cat .git/AUTO_MERGE) &&
 
 	# We will redo the merge, while we are still in a conflicted state!
+	git ls-files -u >conflicted-file-info &&
 	test_when_finished "git reset --hard" &&
 
 	test_expect_code 1 git merge-tree --write-tree side1 side2 >RESULT &&
@@ -86,7 +87,7 @@ test_expect_success 'Barf on too many arguments' '
 '
 
 test_expect_success 'test conflict notices and such' '
-	test_expect_code 1 git merge-tree --write-tree side1 side2 >out &&
+	test_expect_code 1 git merge-tree --write-tree --exclude-modes-oids-stages side1 side2 >out &&
 	sed -e "s/[0-9a-f]\{40,\}/HASH/g" out >actual &&
 
 	# Expected results:
@@ -109,7 +110,7 @@ test_expect_success 'test conflict notices and such' '
 '
 
 test_expect_success 'Just the conflicted files without the messages' '
-	test_expect_code 1 git merge-tree --write-tree --no-messages side1 side2 >out &&
+	test_expect_code 1 git merge-tree --write-tree --no-messages --exclude-modes-oids-stages side1 side2 >out &&
 	sed -e "s/[0-9a-f]\{40,\}/HASH/g" out >actual &&
 
 	test_write_lines HASH greeting whatever~side1 >expect &&
@@ -117,4 +118,25 @@ test_expect_success 'Just the conflicted files without the messages' '
 	test_cmp expect actual
 '
 
+test_expect_success 'Check conflicted oids and modes without messages' '
+	test_expect_code 1 git merge-tree --write-tree --no-messages side1 side2 >out &&
+	sed -e "s/[0-9a-f]\{40,\}/HASH/g" out >actual &&
+
+	# Compare the basic output format
+	q_to_tab >expect <<-\EOF &&
+	HASH
+	100644 HASH 1Qgreeting
+	100644 HASH 2Qgreeting
+	100644 HASH 3Qgreeting
+	100644 HASH 1Qwhatever~side1
+	100644 HASH 2Qwhatever~side1
+	EOF
+
+	test_cmp expect actual &&
+
+	# Check the actual hashes against the `ls-files -u` output too
+	tail -n +2 out | sed -e s/side1/HEAD/ >actual &&
+	test_cmp conflicted-file-info actual
+'
+
 test_done
