From 49066ca33e354d21a10a3a9bd8ebc24d4fbb4ec0 Mon Sep 17 00:00:00 2001
From: Eugen Wissner <belka@caraus.de>
Date: Mon, 30 Nov 2020 08:59:41 +0100
Subject: nix: Added

---
 nix/config/rc.nix | 83 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 nix/config/rc.nix

(limited to 'nix/config')

diff --git a/nix/config/rc.nix b/nix/config/rc.nix
new file mode 100644
index 0000000..8285293
--- /dev/null
+++ b/nix/config/rc.nix
@@ -0,0 +1,83 @@
+#!/bin/sh
+
+# Short-Description:  Create lightweight, portable, self-sufficient containers.
+# Description:
+#  Docker is an open-source project to easily create lightweight, portable,
+#  self-sufficient containers from any application. The same container that a
+#  developer builds and tests on a laptop can run at scale, in production, on
+#  VMs, bare metal, OpenStack clusters, public clouds and more.
+
+
+PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin
+
+BASE=nix-daemon
+
+UNSHARE=/usr/bin/unshare
+NIX=/usr/bin/$BASE
+NIX_PIDFILE=/var/run/$BASE.pid
+NIX_LOG=/var/log/nix.log
+NIX_OPTS=
+
+if [ -f /etc/default/$BASE ]; then
+	. /etc/default/$BASE
+fi
+
+# Check nix is present
+if [ ! -x $NIX ]; then
+	echo "$NIX not present or not executable"
+	exit 1
+fi
+
+nix_start() {
+  echo "starting $BASE ..."
+  if [ -x ${NIX} ]; then
+    # If there is an old PID file (no nix-daemon running), clean it up:
+    if [ -r ${NIX_PIDFILE} ]; then
+      if ! ps axc | grep nix-daemon 1> /dev/null 2> /dev/null ; then
+        echo "Cleaning up old ${NIX_PIDFILE}."
+        rm -f ${NIX_PIDFILE}
+      fi
+    fi
+    nohup "${UNSHARE}" -m -- ${NIX} >> ${NIX_LOG} 2>&1 &
+    echo $! > ${NIX_PIDFILE}
+  fi
+}
+
+# Stop nix:
+nix_stop() {
+  echo "stopping $BASE ..."
+  # If there is no PID file, ignore this request...
+  if [ -r ${NIX_PIDFILE} ]; then
+    kill $(cat ${NIX_PIDFILE})
+  fi
+  rm -f ${NIX_PIDFILE}
+}
+
+# Restart docker:
+nix_restart() {
+	nix_stop
+	nix_start
+}
+
+case "$1" in
+'start')
+  nix_start
+  ;;
+'stop')
+  nix_stop
+  ;;
+'restart')
+  nix_restart
+  ;;
+'status')
+  if [ -f ${NIX_PIDFILE} ] && ps -o cmd $(cat ${NIX_PIDFILE}) | grep -q $BASE ; then
+	  echo "status of $BASE: running"
+  else
+	  echo "status of $BASE: stopped"
+  fi
+  ;;
+*)
+  echo "usage $0 start|stop|restart|status"
+esac
+
+exit 0
-- 
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