1 files changed, 53 insertions, 0 deletions
diff --git a/tests/cp/parent-perm.sh b/tests/cp/parent-perm.sh
new file mode 100755
index 0000000..9eda3b5
--- /dev/null
+++ b/tests/cp/parent-perm.sh
@@ -0,0 +1,53 @@
+#!/bin/sh
+# Ensure that cp --parents works properly with a preexisting dest. directory
+
+# Copyright (C) 2008-2020 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_ cp
+
+working_umask_or_skip_
+# cp -p gives ENOTSUP on NFS on Linux 2.6.9 at least
+require_local_dir_
+
+mkdir -p a/b/c a/b/d e || framework_failure_
+touch a/b/c/foo a/b/d/foo || framework_failure_
+cp -p --parent a/b/c/foo e || framework_failure_
+
+# Make permissions of e/a different, so that we exercise the
+# code in cp -p --parents that propagates permissions even
+# to a destination directory that it doesn't create.
+chmod g-rx e/a e/a/b || framework_failure_
+
+cp -p --parent a/b/d/foo e || fail=1
+
+# Ensure that permissions on just-created directory, e/a/,
+# are the same as those on original, a/.
+
+# The sed filter maps any 's' from an inherited set-GID bit
+# to the usual 'x'.  Otherwise, under unusual circumstances, this
+# test would fail with e.g., drwxr-sr-x != drwxr-xr-x .
+# For reference, the unusual circumstances is: build dir is set-gid,
+# so "a/" inherits that.  However, when the user does not belong to
+# the group of the build directory, chmod ("a/e", 02755) returns 0,
+# yet fails to set the S_ISGID bit.
+for dir in a a/b a/b/d; do
+  test $(stat --printf %A $dir|sed s/s/x/g) \
+     = $(stat --printf %A e/$dir|sed s/s/x/g) ||
+  fail=1
+done
+
+Exit $fail