test: new test extrac25.at

* tests/Makefile.am (TESTSUITE_AT): Add extrac25.at.
* tests/extrac25.at: New file.
* tests/testsuite.at: Include it.

tests/Makefile.am

@@ -123,6 +123,7 @@ TESTSUITE_AT = \
  extrac22.at\
  extrac23.at\
  extrac24.at\
+ extrac25.at\
  filerem01.at\
  filerem02.at\
  dirrem01.at\

tests/extrac25.at

@@ -0,0 +1,46 @@
+# Test suite for GNU tar.                             -*- autotest -*-
+# Copyright 2022 Free Software Foundation, Inc.
+#
+# This file is part of GNU tar.
+#
+# GNU tar 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.
+#
+# GNU tar 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 <http://www.gnu.org/licenses/>.
+AT_SETUP([extract over parent dir that is dangling symlink])
+AT_KEYWORDS([extract extrac25 to-stdout])
+
+# Description: When extracting over pipe, only regular files should be
+# extracted.  In tar 1.33 this was broken, so that members of other types
+# (in particular, directories) were extracted as usual.  This test ensures
+# that this is no longer the case.
+#
+# References: https://bugs.archlinux.org/task/69373,
+#             https://savannah.gnu.org/bugs/?60002
+
+AT_TAR_CHECK([
+mkdir subdir
+touch subdir/a.txt
+tar -cf test.tar subdir/a.txt
+
+rm -rf subdir
+ln -s does_not_exist subdir
+tar -xvf test.tar
+],
+[2],
+[subdir/a.txt
+],
+[tar: subdir: Cannot mkdir: File exists
+tar: subdir/a.txt: Cannot open: No such file or directory
+tar: Exiting with failure status due to previous errors
+])
+
+AT_CLEANUP

tests/testsuite.at

@@ -345,6 +345,7 @@ m4_include([extrac21.at])
 m4_include([extrac22.at])
 m4_include([extrac23.at])
 m4_include([extrac24.at])
+m4_include([extrac25.at])
 
 m4_include([backup01.at])