1 files changed, 92 insertions, 0 deletions
diff --git a/t/t2101-update-index-reupdate.sh b/t/t2101-update-index-reupdate.sh
new file mode 100755
index 0000000..e3c7acd
--- /dev/null
+++ b/t/t2101-update-index-reupdate.sh
@@ -0,0 +1,92 @@
+#!/bin/sh
+#
+# Copyright (c) 2006 Junio C Hamano
+#
+
+test_description='git update-index --again test.
+'
+
+TEST_PASSES_SANITIZE_LEAK=true
+. ./test-lib.sh
+
+test_expect_success 'update-index --add' '
+	echo hello world >file1 &&
+	echo goodbye people >file2 &&
+	git update-index --add file1 file2 &&
+	git ls-files -s >current &&
+	cat >expected <<-EOF &&
+	100644 $(git hash-object file1) 0	file1
+	100644 $(git hash-object file2) 0	file2
+	EOF
+	cmp current expected
+'
+
+test_expect_success 'update-index --again' '
+	rm -f file1 &&
+	echo hello everybody >file2 &&
+	if git update-index --again
+	then
+		echo should have refused to remove file1
+		exit 1
+	else
+		echo happy - failed as expected
+	fi &&
+	git ls-files -s >current &&
+	cmp current expected
+'
+
+test_expect_success 'update-index --remove --again' '
+	git update-index --remove --again &&
+	git ls-files -s >current &&
+	cat >expected <<-EOF &&
+	100644 $(git hash-object file2) 0	file2
+	EOF
+	cmp current expected
+'
+
+test_expect_success 'first commit' 'git commit -m initial'
+
+test_expect_success 'update-index again' '
+	mkdir -p dir1 &&
+	echo hello world >dir1/file3 &&
+	echo goodbye people >file2 &&
+	git update-index --add file2 dir1/file3 &&
+	echo hello everybody >file2 &&
+	echo happy >dir1/file3 &&
+	git update-index --again &&
+	git ls-files -s >current &&
+	cat >expected <<-EOF &&
+	100644 $(git hash-object dir1/file3) 0	dir1/file3
+	100644 $(git hash-object file2) 0	file2
+	EOF
+	cmp current expected
+'
+
+file2=$(git hash-object file2)
+test_expect_success 'update-index --update from subdir' '
+	echo not so happy >file2 &&
+	(cd dir1 &&
+	cat ../file2 >file3 &&
+	git update-index --again
+	) &&
+	git ls-files -s >current &&
+	cat >expected <<-EOF &&
+	100644 $(git hash-object dir1/file3) 0	dir1/file3
+	100644 $file2 0	file2
+	EOF
+	test_cmp expected current
+'
+
+test_expect_success 'update-index --update with pathspec' '
+	echo very happy >file2 &&
+	cat file2 >dir1/file3 &&
+	git update-index --again dir1/ &&
+	git ls-files -s >current &&
+	cat >expected <<-EOF &&
+	100644 $(git hash-object dir1/file3) 0	dir1/file3
+	100644 $file2 0	file2
+	EOF
+	cmp current expected
+'
+
+test_done