From 80d706afed6c6c6fb3ac9c168a6a958244405b45 Mon Sep 17 00:00:00 2001
From: Peter Collingbourne <peter@pcc.me.uk>
Date: Fri, 26 Mar 2010 15:25:34 +0000
Subject: Introduce remove_or_warn function

This patch introduces the remove_or_warn function which is a
generalised version of the {unlink,rmdir}_or_warn functions.  It takes
an additional parameter indicating the mode of the file to be removed.

The patch also modifies certain functions to use remove_or_warn
where appropriate, and adds a test case for a bug fixed by the use
of remove_or_warn.

Signed-off-by: Peter Collingbourne <peter@pcc.me.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
 t/t4134-apply-submodule.sh | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100755 t/t4134-apply-submodule.sh

(limited to 't')

diff --git a/t/t4134-apply-submodule.sh b/t/t4134-apply-submodule.sh
new file mode 100755
index 0000000000..1b82f93cff
--- /dev/null
+++ b/t/t4134-apply-submodule.sh
@@ -0,0 +1,38 @@
+#!/bin/sh
+#
+# Copyright (c) 2010 Peter Collingbourne
+#
+
+test_description='git apply submodule tests'
+
+. ./test-lib.sh
+
+test_expect_success setup '
+	cat > create-sm.patch <<EOF
+diff --git a/dir/sm b/dir/sm
+new file mode 160000
+index 0000000..0123456
+--- /dev/null
++++ b/dir/sm
+@@ -0,0 +1 @@
++Subproject commit 0123456789abcdef0123456789abcdef01234567
+EOF
+	cat > remove-sm.patch <<EOF
+diff --git a/dir/sm b/dir/sm
+deleted file mode 160000
+index 0123456..0000000
+--- a/dir/sm
++++ /dev/null
+@@ -1 +0,0 @@
+-Subproject commit 0123456789abcdef0123456789abcdef01234567
+EOF
+'
+
+test_expect_success 'removing a submodule also removes all leading subdirectories' '
+	git apply --index create-sm.patch &&
+	test -d dir/sm &&
+	git apply --index remove-sm.patch &&
+	test \! -d dir
+'
+
+test_done
-- 
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