Merge branch 'samthursfield/write-metadata-for-system' of git://git.baserock.org/baserock/morph

This includes a fixup of shell quoting in tests.as-root/lib.

Tests needs to be run with a larget TMPDIR than systemd's default,
since system images can be large.

1 files changed, 35 insertions, 0 deletions

diff --git a/tests.as-root/lib b/tests.as-root/lib
new file mode 100644
index 00000000..6818abde
--- /dev/null
+++ b/tests.as-root/lib
@@ -0,0 +1,35 @@
+#!/bin/sh
+#
+# Copyright (C) 2012  Codethink Limited
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; version 2 of the License.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+# Helper functions for as-root tests
+
+loopback_rootfs() {
+    # Find offset partition offset in a rootfs and mount it
+    ROOTFS="$1"
+
+    mv "$ROOTFS" "$ROOTFS-unzipped.gz"
+    gunzip "$ROOTFS-unzipped.gz"
+
+    OFFSET=$(sfdisk -d "$ROOTFS-unzipped" | \
+        grep -m 1 -o 'start=\s\+\([0-9]\+\)' | awk '{ print $2 }')
+    OFFSET=$(expr "$OFFSET" '*' 512)
+
+    DEVICE=$(losetup --show -o "$OFFSET" -f "$ROOTFS-unzipped")
+    udevadm settle
+
+    echo "$DEVICE"
+}