file(INSTALL): Add FOLLOW_SYMLINK_CHAIN argument

2 files changed, 169 insertions, 0 deletions

diff --git a/Tests/RunCMake/file/INSTALL-FOLLOW_SYMLINK_CHAIN.cmake b/Tests/RunCMake/file/INSTALL-FOLLOW_SYMLINK_CHAIN.cmake
new file mode 100644
index 0000000..d8a12eb
--- /dev/null
+++ b/Tests/RunCMake/file/INSTALL-FOLLOW_SYMLINK_CHAIN.cmake
@@ -0,0 +1,168 @@
+file(MAKE_DIRECTORY "${CMAKE_BINARY_DIR}/dest1")
+
+file(TOUCH "${CMAKE_BINARY_DIR}/file1.txt")
+file(CREATE_LINK file1.txt "${CMAKE_BINARY_DIR}/file1.txt.sym" SYMBOLIC)
+file(TOUCH "${CMAKE_BINARY_DIR}/dest1/file1.txt.sym")
+
+file(TOUCH "${CMAKE_BINARY_DIR}/file2.txt")
+file(MAKE_DIRECTORY "${CMAKE_BINARY_DIR}/file2")
+file(CREATE_LINK ../file2.txt "${CMAKE_BINARY_DIR}/file2/file2.txt.sym" SYMBOLIC)
+
+file(TOUCH "${CMAKE_BINARY_DIR}/file3.txt")
+file(CREATE_LINK "${CMAKE_BINARY_DIR}/file3.txt" "${CMAKE_BINARY_DIR}/file3.txt.sym" SYMBOLIC)
+
+file(TOUCH "${CMAKE_BINARY_DIR}/file4.txt")
+file(MAKE_DIRECTORY "${CMAKE_BINARY_DIR}/file4")
+file(CREATE_LINK "${CMAKE_BINARY_DIR}/file4.txt" "${CMAKE_BINARY_DIR}/file4/file4.txt.sym" SYMBOLIC)
+
+file(TOUCH "${CMAKE_BINARY_DIR}/file5.txt")
+
+file(TOUCH "${CMAKE_BINARY_DIR}/file6.txt")
+file(MAKE_DIRECTORY "${CMAKE_BINARY_DIR}/file6/file6")
+file(CREATE_LINK file6.txt "${CMAKE_BINARY_DIR}/file6.txt.sym.1" SYMBOLIC)
+file(CREATE_LINK ../file6.txt.sym.1 "${CMAKE_BINARY_DIR}/file6/file6.txt.sym.2" SYMBOLIC)
+file(CREATE_LINK "${CMAKE_BINARY_DIR}/file6/file6.txt.sym.2" "${CMAKE_BINARY_DIR}/file6/file6/file6.txt.sym.3" SYMBOLIC)
+file(CREATE_LINK file6.txt.sym.3 "${CMAKE_BINARY_DIR}/file6/file6/file6.txt.sym.4" SYMBOLIC)
+
+file(TOUCH "${CMAKE_BINARY_DIR}/file7.txt")
+file(MAKE_DIRECTORY "${CMAKE_BINARY_DIR}/file7")
+
+file(TOUCH "${CMAKE_BINARY_DIR}/file8.txt")
+file(MAKE_DIRECTORY "${CMAKE_BINARY_DIR}/file8")
+file(CREATE_LINK "${CMAKE_BINARY_DIR}/file8/../file8.txt" "${CMAKE_BINARY_DIR}/file8/file8.txt.sym" SYMBOLIC)
+
+file(MAKE_DIRECTORY "${CMAKE_BINARY_DIR}/file9")
+file(TOUCH "${CMAKE_BINARY_DIR}/file9/file9.txt")
+file(CREATE_LINK "${CMAKE_BINARY_DIR}/file9" "${CMAKE_BINARY_DIR}/file9.sym" SYMBOLIC)
+
+file(TOUCH "${CMAKE_BINARY_DIR}/file10.txt")
+file(MAKE_DIRECTORY "${CMAKE_BINARY_DIR}/file10")
+file(CREATE_LINK "." "${CMAKE_BINARY_DIR}/file10/file10" SYMBOLIC)
+file(CREATE_LINK "${CMAKE_BINARY_DIR}/file10/file10/../file10.txt" "${CMAKE_BINARY_DIR}/file10/file10.txt.sym" SYMBOLIC)
+
+file(INSTALL
+  "${CMAKE_BINARY_DIR}/file1.txt.sym"
+  DESTINATION "${CMAKE_BINARY_DIR}/dest1"
+  FOLLOW_SYMLINK_CHAIN
+  )
+
+file(INSTALL
+  "${CMAKE_BINARY_DIR}/file1.txt.sym"
+  "${CMAKE_BINARY_DIR}/file2/file2.txt.sym"
+  "${CMAKE_BINARY_DIR}/file3.txt.sym"
+  "${CMAKE_BINARY_DIR}/file4/file4.txt.sym"
+  "${CMAKE_BINARY_DIR}/file5.txt"
+  "${CMAKE_BINARY_DIR}/file6/file6/file6.txt.sym.4"
+  "${CMAKE_BINARY_DIR}/file8/file8.txt.sym"
+  "${CMAKE_BINARY_DIR}/file7/../file7.txt"
+  "${CMAKE_BINARY_DIR}/file8.txt"
+  "${CMAKE_BINARY_DIR}/file9.sym/file9.txt"
+  "${CMAKE_BINARY_DIR}/file10/file10/file10.txt.sym"
+  DESTINATION "${CMAKE_BINARY_DIR}/dest2"
+  FOLLOW_SYMLINK_CHAIN
+  )
+
+set(resolved_file1.txt.sym file1.txt)
+set(resolved_file10.txt.sym file10.txt)
+set(resolved_file2.txt.sym file2.txt)
+set(resolved_file3.txt.sym file3.txt)
+set(resolved_file4.txt.sym file4.txt)
+set(resolved_file6.txt.sym.1 file6.txt)
+set(resolved_file6.txt.sym.2 file6.txt.sym.1)
+set(resolved_file6.txt.sym.3 file6.txt.sym.2)
+set(resolved_file6.txt.sym.4 file6.txt.sym.3)
+set(resolved_file8.txt.sym file8.txt)
+set(syms)
+foreach(f
+  file1.txt
+  file1.txt.sym
+  file10.txt
+  file10.txt.sym
+  file2.txt
+  file2.txt.sym
+  file3.txt
+  file3.txt.sym
+  file4.txt
+  file4.txt.sym
+  file5.txt
+  file6.txt
+  file6.txt.sym.1
+  file6.txt.sym.2
+  file6.txt.sym.3
+  file6.txt.sym.4
+  file7.txt
+  file8.txt
+  file8.txt.sym
+  file9.txt
+  )
+  string(REPLACE "." "\\." r "${f}")
+  list(APPEND syms "[^;]*/Tests/RunCMake/file/INSTALL-FOLLOW_SYMLINK_CHAIN-build/dest2/${r}")
+  set(filename "${CMAKE_BINARY_DIR}/dest2/${f}")
+  if(DEFINED resolved_${f})
+    file(READ_SYMLINK "${filename}" resolved)
+    if(NOT resolved STREQUAL "${resolved_${f}}")
+      message(SEND_ERROR "Expected symlink resolution for ${f}: ${resolved_${f}}\nActual resolution: ${resolved}")
+    endif()
+  elseif(NOT EXISTS "${filename}" OR IS_SYMLINK "${filename}" OR IS_DIRECTORY "${filename}")
+    message(SEND_ERROR "${f} should be a regular file")
+  endif()
+endforeach()
+
+file(GLOB_RECURSE actual_syms LIST_DIRECTORIES true "${CMAKE_BINARY_DIR}/dest2/*")
+if(NOT actual_syms MATCHES "^${syms}$")
+  message(SEND_ERROR "Expected files:\n\n  ^${syms}$\n\nActual files:\n\n  ${actual_syms}")
+endif()
+
+file(INSTALL
+  "${CMAKE_BINARY_DIR}/file1.txt.sym"
+  "${CMAKE_BINARY_DIR}/file2/file2.txt.sym"
+  "${CMAKE_BINARY_DIR}/file3.txt.sym"
+  "${CMAKE_BINARY_DIR}/file4/file4.txt.sym"
+  "${CMAKE_BINARY_DIR}/file5.txt"
+  "${CMAKE_BINARY_DIR}/file6/file6/file6.txt.sym.4"
+  "${CMAKE_BINARY_DIR}/file8/file8.txt.sym"
+  "${CMAKE_BINARY_DIR}/file7/../file7.txt"
+  "${CMAKE_BINARY_DIR}/file8.txt"
+  "${CMAKE_BINARY_DIR}/file9.sym/file9.txt"
+  "${CMAKE_BINARY_DIR}/file10/file10/file10.txt.sym"
+  DESTINATION "${CMAKE_BINARY_DIR}/dest3"
+  )
+
+set(resolved_file1.txt.sym [[^file1\.txt$]])
+set(resolved_file10.txt.sym [[/Tests/RunCMake/file/INSTALL-FOLLOW_SYMLINK_CHAIN-build/file10/file10/\.\./file10\.txt$]])
+set(resolved_file2.txt.sym [[^\.\./file2\.txt$]])
+set(resolved_file3.txt.sym [[/Tests/RunCMake/file/INSTALL-FOLLOW_SYMLINK_CHAIN-build/file3\.txt$]])
+set(resolved_file4.txt.sym [[/Tests/RunCMake/file/INSTALL-FOLLOW_SYMLINK_CHAIN-build/file4\.txt$]])
+set(resolved_file6.txt.sym.4 [[^file6\.txt\.sym\.3$]])
+set(resolved_file8.txt.sym [[/Tests/RunCMake/file/INSTALL-FOLLOW_SYMLINK_CHAIN-build/file8/\.\./file8\.txt$]])
+set(syms)
+foreach(f
+  file1.txt.sym
+  file10.txt.sym
+  file2.txt.sym
+  file3.txt.sym
+  file4.txt.sym
+  file5.txt
+  file6.txt.sym.4
+  file7.txt
+  file8.txt
+  file8.txt.sym
+  file9.txt
+  )
+  string(REPLACE "." "\\." r "${f}")
+  list(APPEND syms "[^;]*/Tests/RunCMake/file/INSTALL-FOLLOW_SYMLINK_CHAIN-build/dest3/${r}")
+  set(filename "${CMAKE_BINARY_DIR}/dest3/${f}")
+  if(DEFINED resolved_${f})
+    file(READ_SYMLINK "${filename}" resolved)
+    if(NOT resolved MATCHES "${resolved_${f}}")
+      message(SEND_ERROR "Expected symlink resolution for ${f}: ${resolved_${f}}\nActual resolution: ${resolved}")
+    endif()
+  elseif(NOT EXISTS "${filename}" OR IS_SYMLINK "${filename}" OR IS_DIRECTORY "${filename}")
+    message(SEND_ERROR "${f} should be a regular file")
+  endif()
+endforeach()
+
+file(GLOB_RECURSE actual_syms LIST_DIRECTORIES true "${CMAKE_BINARY_DIR}/dest3/*")
+if(NOT actual_syms MATCHES "^${syms}$")
+  message(SEND_ERROR "Expected files:\n\n  ^${syms}$\n\nActual files:\n\n  ${actual_syms}")
+endif()
diff --git a/Tests/RunCMake/file/RunCMakeTest.cmake b/Tests/RunCMake/file/RunCMakeTest.cmake
index 128e8f3..996d1c5 100644
--- a/Tests/RunCMake/file/RunCMakeTest.cmake
+++ b/Tests/RunCMake/file/RunCMakeTest.cmake
@@ -64,6 +64,7 @@ if(NOT WIN32 OR CYGWIN)
   run_cmake(READ_SYMLINK)
   run_cmake(READ_SYMLINK-noexist)
   run_cmake(READ_SYMLINK-notsymlink)
+  run_cmake(INSTALL-FOLLOW_SYMLINK_CHAIN)
 endif()
 
 if(RunCMake_GENERATOR STREQUAL "Ninja")