Add `Settings::nixDaemonSocketFile'.

1 files changed, 9 insertions, 0 deletions

diff --git a/src/libstore/globals.cc b/src/libstore/globals.cc
index 596d4774ca4d..b5a2a20bee44 100644
--- a/src/libstore/globals.cc
+++ b/src/libstore/globals.cc
@@ -10,6 +10,14 @@
 namespace nix {
 
 
+/* The default location of the daemon socket, relative to nixStateDir.
+   The socket is in a directory to allow you to control access to the
+   Nix daemon by setting the mode/ownership of the directory
+   appropriately.  (This wouldn't work on the socket itself since it
+   must be deleted and recreated on startup.) */
+#define DEFAULT_SOCKET_PATH "/daemon-socket/socket"
+
+
 Settings settings;
 
 
@@ -58,6 +66,7 @@ void Settings::processEnvironment()
     nixConfDir = canonPath(getEnv("NIX_CONF_DIR", NIX_CONF_DIR));
     nixLibexecDir = canonPath(getEnv("NIX_LIBEXEC_DIR", NIX_LIBEXEC_DIR));
     nixBinDir = canonPath(getEnv("NIX_BIN_DIR", NIX_BIN_DIR));
+    nixDaemonSocketFile = canonPath(nixStateDir + DEFAULT_SOCKET_PATH);
 
     string subs = getEnv("NIX_SUBSTITUTERS", "default");
     if (subs == "default") {