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daemon: 'Agent' constructor takes a list of environment variables.

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* nix/libutil/util.hh (struct Agent)[Agent]: Add 'env' parameter.
* nix/libutil/util.cc (Agent::Agent): Honor it.
This commit is contained in:
Ludovic Courtès 2020-12-01 15:00:14 +01:00
parent 4a98735297
commit 2e308238ad
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2 changed files with 10 additions and 3 deletions
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6
nix/libutil/util.cc
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@ -1173,7 +1173,7 @@ void commonChildInit(Pipe & logPipe)
//////////////////////////////////////////////////////////////////////
Agent::Agent(const string &command, const Strings &args)
Agent::Agent(const string &command, const Strings &args, const std::map<string, string> &env)
{
debug(format("starting agent '%1%'") % command);
@ -1191,6 +1191,10 @@ Agent::Agent(const string &command, const Strings &args)
commonChildInit(fromAgent);
for (auto pair: env) {
setenv(pair.first.c_str(), pair.second.c_str(), 1);
}
if (chdir("/") == -1) throw SysError("changing into `/");
/* Dup the communication pipes. */

7
nix/libutil/util.hh
View file

@ -7,6 +7,7 @@
#include <dirent.h>
#include <unistd.h>
#include <signal.h>
#include <map>
#include <functional>
#include <cstdio>
@ -281,8 +282,10 @@ struct Agent
/* The process ID of the agent. */
Pid pid;
/* The command and arguments passed to the agent. */
Agent(const string &command, const Strings &args);
/* The command and arguments passed to the agent along with a list of
environment variable name/value pairs. */
Agent(const string &command, const Strings &args,
const std::map<string, string> &env = std::map<string, string>());
~Agent();
};