Add testcases showing how pathspecs are handled with rev-list --objects

Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t/t6000-rev-list-misc.sh

@@ -0,0 +1,51 @@
+#!/bin/sh
+
+test_description='miscellaneous rev-list tests'
+
+. ./test-lib.sh
+
+test_expect_success setup '
+	echo content1 >wanted_file &&
+	echo content2 >unwanted_file &&
+	git add wanted_file unwanted_file &&
+	git commit -m one
+'
+
+test_expect_success 'rev-list --objects heeds pathspecs' '
+	git rev-list --objects HEAD -- wanted_file >output &&
+	grep wanted_file output &&
+	! grep unwanted_file output
+'
+
+test_expect_success 'rev-list --objects with pathspecs and deeper paths' '
+	mkdir foo &&
+	>foo/file &&
+	git add foo/file &&
+	git commit -m two &&
+
+	git rev-list --objects HEAD -- foo >output &&
+	grep foo/file output &&
+
+	git rev-list --objects HEAD -- foo/file >output &&
+	grep foo/file output &&
+	! grep unwanted_file output
+'
+
+test_expect_success 'rev-list --objects with pathspecs and copied files' '
+	git checkout --orphan junio-testcase &&
+	git rm -rf . &&
+
+	mkdir two &&
+	echo frotz >one &&
+	cp one two/three &&
+	git add one two/three &&
+	test_tick &&
+	git commit -m that &&
+
+	ONE=$(git rev-parse HEAD:one)
+	git rev-list --objects HEAD two >output &&
+	grep "$ONE two/three" output &&
+	! grep one output
+'
+
+test_done