Tests: Check symlinks to directories in RunCMake.CPackSymlinks

Regression test for issue #21886

Tests/RunCMake/CPackSymlinks/RunCMakeTest.cmake

@@ -15,6 +15,7 @@ function(run_cpack_symlink_test)
   run_cmake_command(SrcSymlinksCPack
     ${CMAKE_CPACK_COMMAND} --config CPackSourceConfig.cmake
     )
+  run_cmake_script(SrcSymlinksCheck)
 endfunction()
 
 run_cpack_symlink_test()

Tests/RunCMake/CPackSymlinks/SrcSymlinksCheck.cmake

@@ -0,0 +1,21 @@
+set(dir ${CMAKE_CURRENT_SOURCE_DIR})
+
+set(tarball ${dir}/SrcSymlinks-0.1-Source.tar.gz)
+set(extrdir ${dir}/SrcSymlinks-0.1-Source)
+
+message(STATUS "Extracting ${tarball} in ${dir}...")
+execute_process(COMMAND ${CMAKE_COMMAND} -E tar xvf ${tarball}
+  RESULT_VARIABLE result
+  OUTPUT_VARIABLE output
+  ERROR_VARIABLE output
+  WORKING_DIRECTORY ${dir})
+message(STATUS "result='${result}'")
+message(STATUS "output='${output}'")
+
+if(NOT ${result} EQUAL 0)
+  message(FATAL_ERROR "Cannot unpack source tarball")
+endif()
+
+if(NOT EXISTS ${extrdir}/dirlink/src.h)
+  message(FATAL_ERROR "${extrdir}/dirlink/src.h not found")
+endif()

Tests/RunCMake/CPackSymlinks/SrcSymlinksTar-stdout.txt

@@ -1,7 +1,6 @@
-^x CMakeLists.txt
-x cygwin/
-x cygwin/build.sh
-x cygwin/setup.patch
+^x build.sh
+x CMakeLists.txt
+x dirlink
 x include/
 x include/src.h
 x link.h