diff options
Diffstat (limited to 'tests/t0203-gpt-shortened-device-primary-valid.sh')
-rwxr-xr-x | tests/t0203-gpt-shortened-device-primary-valid.sh | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/tests/t0203-gpt-shortened-device-primary-valid.sh b/tests/t0203-gpt-shortened-device-primary-valid.sh new file mode 100755 index 0000000..91e52ed --- /dev/null +++ b/tests/t0203-gpt-shortened-device-primary-valid.sh @@ -0,0 +1,49 @@ +#!/bin/sh +# Demonstrate that placing a valid gpt-labeled image on a shorter device +# does not invalidate the primary GPT header. + +# Copyright (C) 2012-2014, 2019-2023 Free Software Foundation, Inc. + +# 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; either version 3 of the License, or +# (at your option) any later version. + +# 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, see <http://www.gnu.org/licenses/>. + +. "${srcdir=.}/init.sh"; path_prepend_ ../parted +ss=$sector_size_ + +dev=dev-file +dd if=/dev/null of=$dev bs=$ss seek=100 || fail=1 +parted -s -- $dev mklabel gpt || fail=1 + +# Chop off the last two sectors. +dd if=/dev/null of=$dev bs=$ss seek=98 || fail=1 +printf 'ignore\nok\n' > in +parted -m ---pretend-input-tty $dev u s p < in > out 2> err || fail=1 + +# Remove abs name of $dev_file. +sed "s, [^ ]*/$dev, $dev," err > k && mv k err || fail=1 +# Compare only the last line, to avoid control chars of interactive mode. +tail -1 out > k && mv k out || fail=1 +sed "s,.*/$dev:,$dev:," out > k && mv k out || fail=1 + +emit_superuser_warning > err.exp || fail=1 +cat <<EOF >> err.exp || fail=1 +Error: end of file while reading $dev +Error: The backup GPT table is corrupt, but the primary appears OK, so that will be used. +EOF + +echo "$dev:98s:file:$ss:$ss:gpt::;" > out.exp || fail=1 + +compare err.exp err || fail=1 +compare out.exp out || fail=1 + +Exit $fail |