tests: make sure patches can create executables

Create a 755 file in a git and an hg repo, using a patch. Later make
sure the permissions are as expected.

Signed-off-by: Henning Schild <henning.schild@siemens.com>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>

tests/test_patch.py

@@ -21,6 +21,7 @@
 # SOFTWARE.
 
 import os
+import stat
 import shutil
 from kas import kas
 
@@ -33,3 +34,5 @@ def test_patch(tmpdir):
     shutil.copytree('tests/test_patch', tdir)
     os.chdir(tdir)
     kas.kas(['shell', 'test.yml', '-c', 'true'])
+    for f in ['kas/tests/test_patch/hello.sh', 'hello/hello.sh']:
+        assert os.stat(f)[stat.ST_MODE] & stat.S_IXUSR

tests/test_patch/patches/hello/quilt/003.patch

@@ -0,0 +1,15 @@
+# HG changeset patch
+# User kas <kas@example.com>
+# Date 1568977454 -7200
+#      Fri Sep 20 13:04:14 2019 +0200
+# Node ID b8fc0927f880cc0ef6b79ba6ee470f7504d68466
+# Parent  66ff34c19e817cf518ebbd53bef4a992d669e68e
+msg
+
+diff --git a/hello.sh b/hello.sh
+new file mode 100755
+--- /dev/null
++++ b/hello.sh
+@@ -0,0 +1,2 @@
++#!/bin/sh
++echo Hello World!

tests/test_patch/patches/hello/quilt/series

@@ -2,3 +2,4 @@
 # this is a revert of the other 001 we applied without quilt
 001.patch # first patch
 002.patch
+003.patch # introduce an executable

tests/test_patch/patches/kas/quilt/003.patch

@@ -0,0 +1,21 @@
+From b401ea2143d6e214a74f100c1d86b57ee3aaed26 Mon Sep 17 00:00:00 2001
+From: kas <kas@example.com>
+Date: Fri, 20 Sep 2019 10:33:07 +0200
+Subject: [PATCH] test
+
+---
+ tests/test_patch/hello.sh | 2 ++
+ 1 file changed, 2 insertions(+)
+ create mode 100755 tests/test_patch/hello.sh
+
+diff --git a/tests/test_patch/hello.sh b/tests/test_patch/hello.sh
+new file mode 100755
+index 0000000..c100654
+--- /dev/null
++++ b/tests/test_patch/hello.sh
+@@ -0,0 +1,2 @@
++#!/bin/sh
++echo Hello World!
+-- 
+2.21.0
+

tests/test_patch/patches/kas/quilt/series

@@ -2,3 +2,4 @@
 # this is a revert of the other 001 we applied without quilt
 001.patch # first patch
 002.patch
+003.patch # introduce an executable