wic: Add extra-space argument

This allows extra space to be added after the last partition and is
especially useful when free space is needed for ex: adding partitions on
first boot with ex: systemd-repart[1] and the image is tested in QEMU.

[1] https://www.freedesktop.org/software/systemd/man/systemd-repart.html

(From OE-Core rev: f81b188bcf5aa18746fd622eb7b5c0dcb0b5c93d)

Signed-off-by: Kristian Klausen <kristian@klausen.dk>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 11 insertions, 0 deletions

diff --git a/meta/lib/oeqa/selftest/cases/wic.py b/meta/lib/oeqa/selftest/cases/wic.py
index 3b4143414f..dc7b9e637e 100644
--- a/meta/lib/oeqa/selftest/cases/wic.py
+++ b/meta/lib/oeqa/selftest/cases/wic.py
@@ -744,6 +744,17 @@ part /etc --source rootfs --fstype=ext4 --change-directory=etc
                                       % (wks_file, self.resultdir), ignore_status=True).status)
         os.remove(wks_file)
 
+    def test_extra_space(self):
+        """Test --extra-space wks option."""
+        extraspace = 1024**3
+        runCmd("wic create wictestdisk "
+                                   "--image-name core-image-minimal "
+                                   "--extra-space %i -o %s" % (extraspace ,self.resultdir))
+        wicout = glob(self.resultdir + "wictestdisk-*.direct")
+        self.assertEqual(1, len(wicout))
+        size = os.path.getsize(wicout[0])
+        self.assertTrue(size > extraspace)
+
 class Wic2(WicTestCase):
 
     def test_bmap_short(self):