blob: d17d8e32551731e6fb6d098eee4bc97b7bb03d33 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
#!/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="$1"
PYTHONPATH="$SRCDIR" "$SRCDIR/scripts/sparse-gunzip" \
<"$ROOTFS" >"$ROOTFS-unzipped"
OFFSET=$(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"
}
|