1 files changed, 55 insertions, 0 deletions
diff --git a/tests/mv/part-fail.sh b/tests/mv/part-fail.sh
new file mode 100755
index 0000000..0c84b09
--- /dev/null
+++ b/tests/mv/part-fail.sh
@@ -0,0 +1,55 @@
+#!/bin/sh
+# Make sure we give a sensible diagnostic when a cross-device 'mv'
+# fails, e.g., because the destination cannot be unlinked.
+# This is a bit fragile since it relies on the string used
+# for EPERM: 'permission denied'.
+
+# Copyright (C) 2002-2018 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/>.
+
+. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
+print_ver_ mv
+skip_if_root_
+cleanup_() { t=$other_partition_tmpdir; chmod -R 700 "$t"; rm -rf "$t"; }
+. "$abs_srcdir/tests/other-fs-tmpdir"
+
+touch k "$other_partition_tmpdir/k" || framework_failure_
+chmod u-w "$other_partition_tmpdir" || framework_failure_
+
+
+mv -f k "$other_partition_tmpdir" 2> out && fail=1
+printf \
+"mv: inter-device move failed: '%s' to '%s';"\
+' unable to remove target: Permission denied\n' \
+  k "$other_partition_tmpdir/k" >exp
+
+# On some (less-compliant) systems, we get EPERM in this case.
+# Accept either diagnostic.
+cat <<EOF > exp2
+mv: cannot move 'k' to '$other_partition_tmpdir/k': Permission denied
+EOF
+
+if cmp out exp >/dev/null 2>&1; then
+  :
+else
+  if cmp out exp2; then
+    :
+  else
+    fail=1
+  fi
+fi
+test $fail = 1 && compare exp out
+
+Exit $fail