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Start factoring out Unix assumptions

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This splits files and adds new identifiers in preperation for supporting
windows, but no Windows-specific code is actually added yet.

Co-authored-by: Robert Hensing <roberth@users.noreply.github.com>
This commit is contained in:
John Ericson 2024-03-29 15:59:14 -04:00
parent 852391765d
commit 02fa20622f
34 changed files with 352 additions and 296 deletions
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21
src/libutil/unix/environment-variables.cc Normal file
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#include "util.hh"
#include "environment-variables.hh"
extern char * * environ __attribute__((weak));
namespace nix {
void clearEnv()
{
for (auto & name : getEnv())
unsetenv(name.first.c_str());
}
void replaceEnv(const std::map<std::string, std::string> & newEnv)
{
clearEnv();
for (auto & newEnvVar : newEnv)
setenv(newEnvVar.first.c_str(), newEnvVar.second.c_str(), 1);
}
}