1 files changed, 95 insertions, 0 deletions
diff --git a/tests/ts/mount/move b/tests/ts/mount/move
new file mode 100755
index 0000000..26b8f3d
--- /dev/null
+++ b/tests/ts/mount/move
@@ -0,0 +1,95 @@
+#!/bin/bash
+
+#
+# Copyright (C) 2007 Karel Zak <kzak@redhat.com>
+#
+# This file is part of util-linux.
+#
+# This file 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 2 of the License, or
+# (at your option) any later version.
+#
+# This file 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.
+#
+TS_TOPDIR="${0%/*}/../.."
+TS_DESC="move"
+
+. "$TS_TOPDIR"/functions.sh
+ts_init "$*"
+
+ts_check_test_command "$TS_CMD_MOUNT"
+ts_check_test_command "$TS_CMD_UMOUNT"
+ts_check_test_command "$TS_CMD_FINDMNT"
+ts_check_test_command "$TS_CMD_MOUNTPOINT"
+
+ts_skip_nonroot
+ts_skip_docker
+
+function mount_and_check {
+	# last arg must be an existing or to-be-mounted mountpoint
+	local mountpoint="${@: -1}"
+
+	$TS_CMD_MOUNT "$@" &> /dev/null \
+		|| ts_die "error: mount $*"
+
+	$TS_CMD_MOUNTPOINT -q "$mountpoint" \
+		|| ts_die "error: mountpoint $mountpoint"
+}
+
+DIR_PRIVATE="$TS_OUTDIR/mnt-move-private"
+
+DIR_SRC="$DIR_PRIVATE/mnt-move-src"
+DIR_A="$DIR_PRIVATE/mnt-move-A"
+DIR_B="$DIR_PRIVATE/mnt-move-B"
+
+# this may fail if there are mounted dirs left
+rm -rf "$DIR_PRIVATE" || ts_die "cleanup failed, check manually!"
+mkdir "$DIR_PRIVATE"  || ts_die "error: mkdir DIR_PRIVATE"
+
+# create bind mount and make it private to be sure
+# (kernel cannot move mount with shared parent)
+mount_and_check --bind $DIR_PRIVATE $DIR_PRIVATE
+mount_and_check --make-rprivate $DIR_PRIVATE
+
+# Is the bind mount still rw?
+mkdir $DIR_SRC $DIR_A $DIR_B \
+	|| ts_die "error: mkdir on private bind mount"
+
+# bind
+mount_and_check --bind $DIR_SRC $DIR_A
+
+# move
+mount_and_check --move $DIR_A $DIR_B
+
+# BTW a basic test for findmnt(8) and mountpoint(1)
+for f in `find $DIR_PRIVATE2 $DIR_PRIVATE`; do
+	xo="$($TS_CMD_MOUNTPOINT -q "$f" 2>&1)"
+	x=$?
+	# mountpoint(1) returns 32 if mountpoint does not exist, map it to 1 to
+	# be compatible with findmnt(8)
+	if [ "$x" = "32" ]; then
+		x=1
+	fi
+	yo="$($TS_CMD_FINDMNT --kernel --mountpoint "$f" 2>&1)"
+	y=$?
+
+	[ "$x" = "$y" ] || ts_log "error: findmount vs. mountpoint: $x, $y, $f"
+	[ -z "$xo" ] || ts_log "error: mountpoint is not quiet: $x, $y, $f"
+	if [ "$y" = "0" -a "$yo" = "" ] || [ "$y" = "1" -a "$yo" != "" ]; then
+		ts_log "error, findmount return value vs. output: $x, $y, $f"
+	fi
+done
+
+# clean up
+$TS_CMD_UMOUNT $DIR_B || ts_log "error: umount DIR_B"
+rmdir $DIR_SRC $DIR_A $DIR_B || ts_log "error: rmdir DIR_B"
+$TS_CMD_UMOUNT $DIR_PRIVATE || ts_log "error: umount DIR_PRIVATE"
+rmdir $DIR_PRIVATE || ts_log "error: rmdir DIR_PRIVATE"
+
+ts_log "Success"
+ts_finalize
+