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-rwxr-xr-xtests/t0203-gpt-shortened-device-primary-valid.sh49
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