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set: Factor out helper to set environment variables

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This commit is contained in:
Brad King
2025-10-06 19:48:13 -04:00
parent 20761cf349
commit 723a83d8cd
1 changed files with 9 additions and 4 deletions
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13
Source/cmSetCommand.cxx
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@@ -21,6 +21,13 @@
#include "cmSystemTools.h"
#include "cmValue.h"
namespace {
void setENV(std::string const& var, cm::string_view val)
{
cmSystemTools::PutEnv(cmStrCat(var, '=', val));
}
}
// cmSetCommand
bool cmSetCommand(std::vector<std::string> const& args,
cmExecutionStatus& status)
@@ -35,7 +42,6 @@ bool cmSetCommand(std::vector<std::string> const& args,
if (cmHasLiteralPrefix(variable, "ENV{") && variable.size() > 5) {
// what is the variable name
auto const& varName = variable.substr(4, variable.size() - 5);
std::string putEnvArg = varName + "=";
// what is the current value if any
std::string currValue;
@@ -45,8 +51,7 @@ bool cmSetCommand(std::vector<std::string> const& args,
if (args.size() > 1 && !args[1].empty()) {
// but only if it is different from current value
if (!currValueSet || currValue != args[1]) {
putEnvArg += args[1];
cmSystemTools::PutEnv(putEnvArg);
setENV(varName, args[1]);
}
// if there's extra arguments, warn user
// that they are ignored by this command.
@@ -61,7 +66,7 @@ bool cmSetCommand(std::vector<std::string> const& args,
// if it will be cleared, then clear it if it isn't already clear
if (currValueSet) {
cmSystemTools::PutEnv(putEnvArg);
setENV(varName, ""_s);
}
return true;
}