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authorEelco Dolstra <edolstra@gmail.com>2019-10-09T17·21+0200
committerEelco Dolstra <edolstra@gmail.com>2019-10-09T22·00+0200
commitf66108f738b43bf822b06d7ab62c0b7129fb454c (patch)
treef91a15c48c82d146e36de0b1fc727de44b5dc837 /src/libutil/util.cc
parent2070d55b0b3c39cc2e8b7ce3eb13567c92bd5433 (diff)
nix-env: Create ~/.nix-profile automatically
(cherry picked from commit 9348f9291e5d9e4ba3c4347ea1b235640f54fd79)
Diffstat (limited to 'src/libutil/util.cc')
-rw-r--r--src/libutil/util.cc10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/libutil/util.cc b/src/libutil/util.cc
index 1b74499915..6f3bf7ae86 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()) {