From f66108f738b43bf822b06d7ab62c0b7129fb454c Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Wed, 9 Oct 2019 19:21:07 +0200
Subject: nix-env: Create ~/.nix-profile automatically

(cherry picked from commit 9348f9291e5d9e4ba3c4347ea1b235640f54fd79)
---
 src/libutil/util.cc | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'src/libutil/util.cc')

diff --git a/src/libutil/util.cc b/src/libutil/util.cc
index 1b744999153a..6f3bf7ae86e3 100644
--- a/src/libutil/util.cc
+++ b/src/libutil/util.cc
@@ -475,6 +475,16 @@ Path createTempDir(const Path & tmpRoot, const Path & prefix,
 }
 
 
+std::string getUserName()
+{
+    auto pw = getpwuid(geteuid());
+    std::string name = pw ? pw->pw_name : getEnv("USER", "");
+    if (name.empty())
+        throw Error("cannot figure out user name");
+    return name;
+}
+
+
 static Lazy<Path> getHome2([]() {
     Path homeDir = getEnv("HOME");
     if (homeDir.empty()) {
-- 
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