1 files changed, 46 insertions, 0 deletions
diff --git a/tests/mv/backup-is-src.sh b/tests/mv/backup-is-src.sh
new file mode 100755
index 0000000..67ab05a
--- /dev/null
+++ b/tests/mv/backup-is-src.sh
@@ -0,0 +1,46 @@
+#!/bin/sh
+# Force mv to use the copying code.
+
+# Copyright (C) 1998-2022 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/>.
+
+. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
+print_ver_ mv
+cleanup_() { rm -rf "$other_partition_tmpdir"; }
+. "$abs_srcdir/tests/other-fs-tmpdir"
+
+a="$other_partition_tmpdir/a"
+a2="$other_partition_tmpdir/a~"
+
+rm -f "$a" "$a2" || framework_failure_
+echo a > "$a" || framework_failure_
+echo a2 > "$a2" || framework_failure_
+
+# This mv command should exit nonzero.
+mv --b=simple "$a2" "$a" > out 2>&1 && fail=1
+
+sed \
+   -e "s,mv:,XXX:," \
+   -e "s,$a,YYY," \
+   -e "s,$a2,ZZZ," \
+  out > out2
+
+cat > exp <<\EOF
+XXX: backing up 'YYY' might destroy source;  'ZZZ' not moved
+EOF
+
+compare exp out2 || fail=1
+
+Exit $fail