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cmake -E: Add true and false commands

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This commit is contained in:
Kyle Edwards
2019-07-11 13:41:30 -04:00
parent 0a690fc474
commit b8828ecbba
6 changed files with 29 additions and 0 deletions
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6
Help/manual/cmake.1.rst
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@@ -604,6 +604,12 @@ Available commands are:
.. note::
Path to where ``<new>`` symbolic link will be created has to exist beforehand.
``true``
Do nothing, with an exit code of 0.
``false``
Do nothing, with an exit code of 1.
Windows-specific Command-Line Tools
-----------------------------------

5
Help/release/dev/cmake-e-true-false.rst Normal file
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@@ -0,0 +1,5 @@
cmake-e-true-false
------------------
* :manual:`cmake(1)` ``-E`` now supports ``true`` and ``false`` commands, which
do nothing while returning exit codes of 0 and 1, respectively.

12
Source/cmcmd.cxx
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@@ -114,6 +114,8 @@ void CMakeCommandUsage(const char* program)
<< " touch <file>... - touch a <file>.\n"
<< " touch_nocreate <file>... - touch a <file> but do not create it.\n"
<< " create_symlink old new - create a symbolic link new -> old\n"
<< " true - do nothing with an exit code of 0\n"
<< " false - do nothing with an exit code of 1\n"
#if defined(_WIN32) && !defined(__CYGWIN__)
<< "Available on Windows only:\n"
<< " delete_regv key - delete registry value\n"
@@ -891,6 +893,16 @@ int cmcmd::ExecuteCMakeCommand(std::vector<std::string> const& args)
return 0;
}
// Command to do nothing with an exit code of 0.
if (args[1] == "true") {
return 0;
}
// Command to do nothing with an exit code of 1.
if (args[1] == "false") {
return 1;
}
// Internal CMake shared library support.
if (args[1] == "cmake_symlink_library" && args.size() == 5) {
return cmcmd::SymlinkLibrary(args);

1
Tests/RunCMake/CommandLine/E_false-extraargs-result.txt Normal file
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@@ -0,0 +1 @@
1

1
Tests/RunCMake/CommandLine/E_false-result.txt Normal file
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@@ -0,0 +1 @@
1

4
Tests/RunCMake/CommandLine/RunCMakeTest.cmake
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@@ -26,6 +26,10 @@ run_cmake_command(E_echo_append ${CMAKE_COMMAND} -E echo_append)
run_cmake_command(E_rename-no-arg ${CMAKE_COMMAND} -E rename)
run_cmake_command(E_server-arg ${CMAKE_COMMAND} -E server --extra-arg)
run_cmake_command(E_server-pipe ${CMAKE_COMMAND} -E server --pipe=)
run_cmake_command(E_true ${CMAKE_COMMAND} -E true)
run_cmake_command(E_true-extraargs ${CMAKE_COMMAND} -E true ignored)
run_cmake_command(E_false ${CMAKE_COMMAND} -E false)
run_cmake_command(E_false-extraargs ${CMAKE_COMMAND} -E false ignored)
run_cmake_command(E_touch_nocreate-no-arg ${CMAKE_COMMAND} -E touch_nocreate)
run_cmake_command(E_touch-nonexistent-dir ${CMAKE_COMMAND} -E touch "${RunCMake_BINARY_DIR}/touch-nonexistent-dir/foo")