merge(third_party/git): Merge squashed git subtree at v2.23.0

Merge commit '1b593e1ea4' as 'third_party/git'

third_party/git/t/t9700-perl-git.sh

@@ -0,0 +1,60 @@
+#!/bin/sh
+#
+# Copyright (c) 2008 Lea Wiemann
+#
+
+test_description='perl interface (Git.pm)'
+. ./test-lib.sh
+
+if ! test_have_prereq PERL; then
+	skip_all='skipping perl interface tests, perl not available'
+	test_done
+fi
+
+perl -MTest::More -e 0 2>/dev/null || {
+	skip_all="Perl Test::More unavailable, skipping test"
+	test_done
+}
+
+# set up test repository
+
+test_expect_success \
+    'set up test repository' \
+    'echo "test file 1" > file1 &&
+     echo "test file 2" > file2 &&
+     mkdir directory1 &&
+     echo "in directory1" >> directory1/file &&
+     mkdir directory2 &&
+     echo "in directory2" >> directory2/file &&
+     git add . &&
+     git commit -m "first commit" &&
+
+     echo "new file in subdir 2" > directory2/file2 &&
+     git add . &&
+     git commit -m "commit in directory2" &&
+
+     echo "changed file 1" > file1 &&
+     git commit -a -m "second commit" &&
+
+     git config --add color.test.slot1 green &&
+     git config --add test.string value &&
+     git config --add test.dupstring value1 &&
+     git config --add test.dupstring value2 &&
+     git config --add test.booltrue true &&
+     git config --add test.boolfalse no &&
+     git config --add test.boolother other &&
+     git config --add test.int 2k &&
+     git config --add test.path "~/foo" &&
+     git config --add test.pathexpanded "$HOME/foo" &&
+     git config --add test.pathmulti foo &&
+     git config --add test.pathmulti bar
+     '
+
+# The external test will outputs its own plan
+test_external_has_tap=1
+
+test_external_without_stderr \
+    'Perl API' \
+    perl "$TEST_DIRECTORY"/t9700/test.pl
+
+test_done