Add 'third_party/nix/' from commit 'be66c7a6b24e3c3c6157fd37b86c7203d14acf10' r/724

git-subtree-dir: third_party/nix
git-subtree-mainline: cf8cd640c1adf74a3706efbcb0ea4625da106fb2
git-subtree-split: be66c7a6b24e3c3c6157fd37b86c7203d14acf10

8 files changed, 183 insertions, 0 deletions

diff --git a/third_party/nix/misc/launchd/local.mk b/third_party/nix/misc/launchd/local.mk
new file mode 100644
index 000000000000..0ba722efbf19
--- /dev/null
+++ b/third_party/nix/misc/launchd/local.mk
@@ -0,0 +1,5 @@
+ifeq ($(OS), Darwin)
+
+  $(eval $(call install-data-in, $(d)/org.nixos.nix-daemon.plist, $(prefix)/Library/LaunchDaemons))
+
+endif
diff --git a/third_party/nix/misc/launchd/org.nixos.nix-daemon.plist.in b/third_party/nix/misc/launchd/org.nixos.nix-daemon.plist.in
new file mode 100644
index 000000000000..9f26296a9d7b
--- /dev/null
+++ b/third_party/nix/misc/launchd/org.nixos.nix-daemon.plist.in
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+  <dict>
+    <key>EnvironmentVariables</key>
+    <dict>
+      <key>OBJC_DISABLE_INITIALIZE_FORK_SAFETY</key>
+      <string>YES</string>
+    </dict>
+    <key>Label</key>
+    <string>org.nixos.nix-daemon</string>
+    <key>KeepAlive</key>
+    <true/>
+    <key>RunAtLoad</key>
+    <true/>
+    <key>ProgramArguments</key>
+    <array>
+      <string>/bin/sh</string>
+      <string>-c</string>
+      <string>/bin/wait4path /nix/var/nix/profiles/default/bin/nix-daemon &amp;&amp; /nix/var/nix/profiles/default/bin/nix-daemon</string>
+    </array>
+    <key>StandardErrorPath</key>
+    <string>/var/log/nix-daemon.log</string>
+    <key>StandardOutPath</key>
+    <string>/dev/null</string>
+  </dict>
+</plist>
diff --git a/third_party/nix/misc/systemd/local.mk b/third_party/nix/misc/systemd/local.mk
new file mode 100644
index 000000000000..004549fd2776
--- /dev/null
+++ b/third_party/nix/misc/systemd/local.mk
@@ -0,0 +1,5 @@
+ifeq ($(OS), Linux)
+
+  $(foreach n, nix-daemon.socket nix-daemon.service, $(eval $(call install-file-in, $(d)/$(n), $(prefix)/lib/systemd/system, 0644)))
+
+endif
diff --git a/third_party/nix/misc/systemd/nix-daemon.service.in b/third_party/nix/misc/systemd/nix-daemon.service.in
new file mode 100644
index 000000000000..25655204d4df
--- /dev/null
+++ b/third_party/nix/misc/systemd/nix-daemon.service.in
@@ -0,0 +1,12 @@
+[Unit]
+Description=Nix Daemon
+RequiresMountsFor=@storedir@
+RequiresMountsFor=@localstatedir@
+ConditionPathIsReadWrite=@localstatedir@/nix/daemon-socket
+
+[Service]
+ExecStart=@@bindir@/nix-daemon nix-daemon --daemon
+KillMode=process
+
+[Install]
+WantedBy=multi-user.target
diff --git a/third_party/nix/misc/systemd/nix-daemon.socket.in b/third_party/nix/misc/systemd/nix-daemon.socket.in
new file mode 100644
index 000000000000..9ed39ffe6eb2
--- /dev/null
+++ b/third_party/nix/misc/systemd/nix-daemon.socket.in
@@ -0,0 +1,11 @@
+[Unit]
+Description=Nix Daemon Socket
+Before=multi-user.target
+RequiresMountsFor=@storedir@
+ConditionPathIsReadWrite=@localstatedir@/nix/daemon-socket
+
+[Socket]
+ListenStream=@localstatedir@/nix/daemon-socket/socket
+
+[Install]
+WantedBy=sockets.target
diff --git a/third_party/nix/misc/systemv/nix-daemon b/third_party/nix/misc/systemv/nix-daemon
new file mode 100755
index 000000000000..fea53716721d
--- /dev/null
+++ b/third_party/nix/misc/systemv/nix-daemon
@@ -0,0 +1,113 @@
+#!/bin/sh
+#
+# nix-daemon: Starts the nix package manager daemon
+#
+# chkconfig:   345 24 02
+# description: This is a daemon which enable the multi-user mode 
+#               of the nix package manager.
+# processname: nix-daemon
+# pidfile:     /var/run/nix/nix-daemon.pid
+
+### BEGIN INIT INFO
+# Required-Start:    
+# Required-Stop:     
+# Should-Start:      
+# Should-Stop:       
+# Default-Start:     3 4 5
+# Default-Stop:      0 1 2 6
+# Short-Description: Starts the nix daemon
+# Description:       This is a daemon which enable the multi-user mode 
+#                     of the nix package manager.
+### END INIT INFO
+
+NIX_DAEMON_BIN=/usr/bin/nix-daemon
+#NIX_DAEMON_USER="root"
+NIX_DAEMON_USER="nix-daemon"
+NIX_DAEMON_OPTS="--daemon"
+
+umask 0022
+
+if [ "$1" = 'status' ]; then
+    test -x $NIX_DAEMON_BIN || exit 4
+else
+    test -x $NIX_DAEMON_BIN || exit 5
+fi
+
+# Source function library.
+. /etc/init.d/functions
+
+LOCKFILE=/var/lock/subsys/nix-daemon
+RUNDIR=/var/run/nix
+PIDFILE=${RUNDIR}/nix-daemon.pid
+RETVAL=0
+
+base=${0##*/}
+
+start() {
+
+    mkdir -p ${RUNDIR}
+    chown ${NIX_DAEMON_USER}:${NIX_DAEMON_USER} ${RUNDIR}
+
+    echo -n $"Starting nix daemon... "
+
+    daemonize -u $NIX_DAEMON_USER -p ${PIDFILE} $NIX_DAEMON_BIN $NIX_DAEMON_OPTS
+    RETVAL=$?
+    echo
+    [ $RETVAL -eq 0 ] && touch ${LOCKFILE}
+    return $RETVAL
+}
+
+stop() {
+    echo -n $"Shutting down nix daemon: "
+    killproc -p ${PIDFILE} $NIX_DAEMON_BIN
+    RETVAL=$?
+    [ $RETVAL -eq 0 ] && rm -f ${LOCKFILE} ${PIDFILE}
+    echo
+    return $RETVAL
+}
+
+reload() {
+    echo -n $"Reloading nix daemon... "
+    killproc -p ${PIDFILE} $NIX_DAEMON_BIN -HUP
+    RETVAL=$?
+    echo
+    return $RETVAL
+}
+
+restart() {
+    stop
+    start
+}
+
+RETVAL=0
+
+# caller switch
+case "$1" in
+  start)
+        start
+    ;;
+  stop)
+        stop
+    ;;
+  status)
+        status -p ${PIDFILE} $NIX_DAEMON_BIN
+            RETVAL=$?
+    ;;
+  restart)
+        restart
+    ;;
+  reload)
+        reload
+    ;;
+  condrestart)
+        if [ -f $LOCKFILE ]; then
+            restart
+        fi
+    ;;
+  *)
+        echo $"Usage: $0 {start|stop|status|restart|condrestart}"
+        exit 2
+    ;;
+esac
+
+exit $RETVAL
diff --git a/third_party/nix/misc/upstart/local.mk b/third_party/nix/misc/upstart/local.mk
new file mode 100644
index 000000000000..a73dc061e4fc
--- /dev/null
+++ b/third_party/nix/misc/upstart/local.mk
@@ -0,0 +1,5 @@
+ifeq ($(OS), Linux)
+
+  $(foreach n, nix-daemon.conf, $(eval $(call install-file-in, $(d)/$(n), $(sysconfdir)/init, 0644)))
+
+endif
diff --git a/third_party/nix/misc/upstart/nix-daemon.conf.in b/third_party/nix/misc/upstart/nix-daemon.conf.in
new file mode 100644
index 000000000000..0e806edbd770
--- /dev/null
+++ b/third_party/nix/misc/upstart/nix-daemon.conf.in
@@ -0,0 +1,5 @@
+description "Nix Daemon"
+start on filesystem
+stop on shutdown
+respawn
+exec @bindir@/nix-daemon --daemon