1 files changed, 146 insertions, 0 deletions
diff --git a/t/t4010-diff-pathspec.sh b/t/t4010-diff-pathspec.sh
new file mode 100755
index 000000000000..281f8fad0c71
--- /dev/null
+++ b/t/t4010-diff-pathspec.sh
@@ -0,0 +1,146 @@
+#!/bin/sh
+#
+# Copyright (c) 2005 Junio C Hamano
+#
+
+test_description='Pathspec restrictions
+
+Prepare:
+        file0
+        path1/file1
+'
+. ./test-lib.sh
+. "$TEST_DIRECTORY"/diff-lib.sh ;# test-lib chdir's into trash
+
+test_expect_success \
+    setup \
+    'echo frotz >file0 &&
+     mkdir path1 &&
+     echo rezrov >path1/file1 &&
+     git update-index --add file0 path1/file1 &&
+     tree=$(git write-tree) &&
+     echo "$tree" &&
+     echo nitfol >file0 &&
+     echo yomin >path1/file1 &&
+     git update-index file0 path1/file1'
+
+cat >expected <<\EOF
+EOF
+test_expect_success \
+    'limit to path should show nothing' \
+    'git diff-index --cached $tree -- path >current &&
+     compare_diff_raw current expected'
+
+cat >expected <<\EOF
+:100644 100644 766498d93a4b06057a8e49d23f4068f1170ff38f 0a41e115ab61be0328a19b29f18cdcb49338d516 M	path1/file1
+EOF
+test_expect_success \
+    'limit to path1 should show path1/file1' \
+    'git diff-index --cached $tree -- path1 >current &&
+     compare_diff_raw current expected'
+
+cat >expected <<\EOF
+:100644 100644 766498d93a4b06057a8e49d23f4068f1170ff38f 0a41e115ab61be0328a19b29f18cdcb49338d516 M	path1/file1
+EOF
+test_expect_success \
+    'limit to path1/ should show path1/file1' \
+    'git diff-index --cached $tree -- path1/ >current &&
+     compare_diff_raw current expected'
+
+cat >expected <<\EOF
+:100644 100644 766498d93a4b06057a8e49d23f4068f1170ff38f 0a41e115ab61be0328a19b29f18cdcb49338d516 M	path1/file1
+EOF
+test_expect_success \
+    '"*file1" should show path1/file1' \
+    'git diff-index --cached $tree -- "*file1" >current &&
+     compare_diff_raw current expected'
+
+cat >expected <<\EOF
+:100644 100644 8e4020bb5a8d8c873b25de15933e75cc0fc275df dca6b92303befc93086aa025d90a5facd7eb2812 M	file0
+EOF
+test_expect_success \
+    'limit to file0 should show file0' \
+    'git diff-index --cached $tree -- file0 >current &&
+     compare_diff_raw current expected'
+
+cat >expected <<\EOF
+EOF
+test_expect_success \
+    'limit to file0/ should emit nothing.' \
+    'git diff-index --cached $tree -- file0/ >current &&
+     compare_diff_raw current expected'
+
+test_expect_success 'diff-tree pathspec' '
+	tree2=$(git write-tree) &&
+	echo "$tree2" &&
+	git diff-tree -r --name-only $tree $tree2 -- pa path1/a >current &&
+	test_must_be_empty current
+'
+
+test_expect_success 'diff-tree with wildcard shows dir also matches' '
+	git diff-tree --name-only $EMPTY_TREE $tree -- "f*" >result &&
+	echo file0 >expected &&
+	test_cmp expected result
+'
+
+test_expect_success 'diff-tree -r with wildcard' '
+	git diff-tree -r --name-only $EMPTY_TREE $tree -- "*file1" >result &&
+	echo path1/file1 >expected &&
+	test_cmp expected result
+'
+
+test_expect_success 'diff-tree with wildcard shows dir also matches' '
+	git diff-tree --name-only $tree $tree2 -- "path1/f*" >result &&
+	echo path1 >expected &&
+	test_cmp expected result
+'
+
+test_expect_success 'diff-tree -r with wildcard from beginning' '
+	git diff-tree -r --name-only $tree $tree2 -- "path1/*file1" >result &&
+	echo path1/file1 >expected &&
+	test_cmp expected result
+'
+
+test_expect_success 'diff-tree -r with wildcard' '
+	git diff-tree -r --name-only $tree $tree2 -- "path1/f*" >result &&
+	echo path1/file1 >expected &&
+	test_cmp expected result
+'
+
+test_expect_success 'setup submodules' '
+	test_tick &&
+	git init submod &&
+	( cd submod && test_commit first ) &&
+	git add submod &&
+	git commit -m first &&
+	( cd submod && test_commit second ) &&
+	git add submod &&
+	git commit -m second
+'
+
+test_expect_success 'diff-tree ignores trailing slash on submodule path' '
+	git diff --name-only HEAD^ HEAD submod >expect &&
+	git diff --name-only HEAD^ HEAD submod/ >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'diff multiple wildcard pathspecs' '
+	mkdir path2 &&
+	echo rezrov >path2/file1 &&
+	git update-index --add path2/file1 &&
+	tree3=$(git write-tree) &&
+	git diff --name-only $tree $tree3 -- "path2*1" "path1*1" >actual &&
+	cat <<-\EOF >expect &&
+	path1/file1
+	path2/file1
+	EOF
+	test_cmp expect actual
+'
+
+test_expect_success 'diff-cache ignores trailing slash on submodule path' '
+	git diff --name-only HEAD^ submod >expect &&
+	git diff --name-only HEAD^ submod/ >actual &&
+	test_cmp expect actual
+'
+
+test_done