1 files changed, 51 insertions, 0 deletions
diff --git a/tests/rm/one-file-system.sh b/tests/rm/one-file-system.sh
new file mode 100755
index 0000000..0ec7693
--- /dev/null
+++ b/tests/rm/one-file-system.sh
@@ -0,0 +1,51 @@
+#!/bin/sh
+# Demonstrate rm's new --one-file-system option.
+
+# Copyright (C) 2006-2020 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 <https://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
+print_ver_ rm
+require_root_
+
+cleanup_()
+{
+  # When you take the undesirable shortcut of making /etc/mtab a link
+  # to /proc/mounts, unmounting "$other_partition_tmpdir" would fail.
+  # So, here we unmount a/b instead.
+  umount a/b
+  rm -rf "$other_partition_tmpdir"
+}
+. "$abs_srcdir/tests/other-fs-tmpdir"
+
+t=$other_partition_tmpdir
+mkdir -p a/b $t/y
+mount --bind $t a/b \
+  || skip_ "This test requires mount with a working --bind option."
+
+cat <<\EOF > exp || framework_failure_
+rm: skipping 'a/b', since it's on a different device
+EOF
+returns_ 1 rm --one-file-system -rf a 2> out || fail=1
+test -d $t/y || fail=1
+compare exp out || fail=1
+
+cat <<\EOF >> exp || framework_failure_
+rm: and --preserve-root=all is in effect
+EOF
+returns_ 1 rm --preserve-root=all -rf a/b 2>out || fail=1
+compare exp out || fail=1
+
+Exit $fail