From e3ed9dec468079e3837ccc3f4c3165b038dc2f6d Mon Sep 17 00:00:00 2001
From: Kelvin Sherlock <ksherlock@gmail.com>
Date: Wed, 3 Feb 2016 15:06:48 -0500
Subject: [PATCH] transfer environment to child process

---
 command.cpp   | 9 ++++++++-
 environment.h | 2 ++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/command.cpp b/command.cpp
index fee3a85..1796abc 100644
--- a/command.cpp
+++ b/command.cpp
@@ -67,7 +67,14 @@ namespace {
 
 		if (pid == 0) {
 
-			// also export environment...
+			// export environment...
+
+			for (const auto &kv : env) {
+				if (kv.second) { // exported
+					std::string name = "mpw$" + kv.first;
+					setenv(name.c_str(), kv.second.c_str(), 1);
+				}
+			}
 
 			// handle any indirection...
 			fds.dup();
diff --git a/environment.h b/environment.h
index 1621311..e40cae2 100644
--- a/environment.h
+++ b/environment.h
@@ -17,6 +17,8 @@ public:
 	operator const std::string&() const { return value; }
 	operator std::string&() { return value; }
 
+	const char *c_str() const { return value.c_str(); }
+
 	EnvironmentEntry() = default;
 	EnvironmentEntry(const EnvironmentEntry &) = default;
 	EnvironmentEntry(EnvironmentEntry &&) = default;