You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
50 lines
1.4 KiB
50 lines
1.4 KiB
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
|
|
file Copyright.txt or https://cmake.org/licensing for details. */
|
|
#include "cmUnsetCommand.h"
|
|
|
|
#include "cmExecutionStatus.h"
|
|
#include "cmMakefile.h"
|
|
#include "cmStringAlgorithms.h"
|
|
#include "cmSystemTools.h"
|
|
|
|
// cmUnsetCommand
|
|
bool cmUnsetCommand(std::vector<std::string> const& args,
|
|
cmExecutionStatus& status)
|
|
{
|
|
if (args.empty() || args.size() > 2) {
|
|
status.SetError("called with incorrect number of arguments");
|
|
return false;
|
|
}
|
|
|
|
auto const& variable = args[0];
|
|
|
|
// unset(ENV{VAR})
|
|
if (cmHasLiteralPrefix(variable, "ENV{") && variable.size() > 5) {
|
|
// what is the variable name
|
|
auto const& envVarName = variable.substr(4, variable.size() - 5);
|
|
|
|
#ifndef CMAKE_BOOTSTRAP
|
|
cmSystemTools::UnsetEnv(envVarName.c_str());
|
|
#endif
|
|
return true;
|
|
}
|
|
// unset(VAR)
|
|
if (args.size() == 1) {
|
|
status.GetMakefile().RemoveDefinition(variable);
|
|
return true;
|
|
}
|
|
// unset(VAR CACHE)
|
|
if ((args.size() == 2) && (args[1] == "CACHE")) {
|
|
status.GetMakefile().RemoveCacheDefinition(variable);
|
|
return true;
|
|
}
|
|
// unset(VAR PARENT_SCOPE)
|
|
if ((args.size() == 2) && (args[1] == "PARENT_SCOPE")) {
|
|
status.GetMakefile().RaiseScope(variable, nullptr);
|
|
return true;
|
|
}
|
|
// ERROR: second argument isn't CACHE or PARENT_SCOPE
|
|
status.SetError("called with an invalid second argument");
|
|
return false;
|
|
}
|