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-rw-r--r--misc/docker/Dockerfile20
-rw-r--r--misc/emacs/nix-mode.el106
-rwxr-xr-xmisc/systemv/nix-daemon113
3 files changed, 227 insertions, 12 deletions
diff --git a/misc/docker/Dockerfile b/misc/docker/Dockerfile
new file mode 100644
index 000000000000..bfa0c34d0947
--- /dev/null
+++ b/misc/docker/Dockerfile
@@ -0,0 +1,20 @@
+FROM alpine
+
+RUN wget -O- http://nixos.org/releases/nix/nix-1.11.2/nix-1.11.2-x86_64-linux.tar.bz2 | bzcat - | tar xf - \
+    && echo "nixbld:x:30000:nixbld1,nixbld2,nixbld3,nixbld4,nixbld5,nixbld6,nixbld7,nixbld8,nixbld9,nixbld10,nixbld11,nixbld12,nixbld13,nixbld14,nixbld15,nixbld16,nixbld17,nixbld18,nixbld19,nixbld20,nixbld21,nixbld22,nixbld23,nixbld24,nixbld25,nixbld26,nixbld27,nixbld28,nixbld29,nixbld30" >> /etc/group \
+    && for i in $(seq 1 30); do echo "nixbld$i:x:$((30000 + $i)):30000:::" >> /etc/passwd; done \
+    && mkdir -m 0755 /nix && USER=root sh nix-*-x86_64-linux/install \
+    && echo ". /root/.nix-profile/etc/profile.d/nix.sh" >> /etc/profile \
+    && rm -r /nix-*-x86_64-linux
+
+ONBUILD ENV \
+    ENV=/etc/profile \
+    PATH=/root/.nix-profile/bin:/root/.nix-profile/sbin:/bin:/sbin:/usr/bin:/usr/sbin \
+    GIT_SSL_CAINFO=/root/.nix-profile/etc/ssl/certs/ca-bundle.crt \
+    SSL_CERT_FILE=/root/.nix-profile/etc/ssl/certs/ca-bundle.crt
+
+ENV \
+    ENV=/etc/profile \
+    PATH=/root/.nix-profile/bin:/root/.nix-profile/sbin:/bin:/sbin:/usr/bin:/usr/sbin \
+    GIT_SSL_CAINFO=/root/.nix-profile/etc/ssl/certs/ca-bundle.crt \
+    SSL_CERT_FILE=/root/.nix-profile/etc/ssl/certs/ca-bundle.crt
diff --git a/misc/emacs/nix-mode.el b/misc/emacs/nix-mode.el
index 790799d858cc..e129e9efe1d4 100644
--- a/misc/emacs/nix-mode.el
+++ b/misc/emacs/nix-mode.el
@@ -8,17 +8,31 @@
 
 ;;; Code:
 
+(defun nix-syntax-match-antiquote (limit)
+  (let ((pos (next-single-char-property-change (point) 'nix-syntax-antiquote
+                                               nil limit)))
+    (when (and pos (> pos (point)))
+      (goto-char pos)
+      (let ((char (char-after pos)))
+        (pcase char
+          (`?$
+           (forward-char 2))
+          (`?}
+           (forward-char 1)))
+        (set-match-data (list pos (point)))
+        t))))
+
 (defconst nix-font-lock-keywords
-  '("\\<if\\>" "\\<then\\>" "\\<else\\>" "\\<assert\\>" "\\<with\\>"
-    "\\<let\\>" "\\<in\\>" "\\<rec\\>" "\\<inherit\\>" "\\<or\\>"
-    ("\\<true\\>" . font-lock-builtin-face)
-    ("\\<false\\>" . font-lock-builtin-face)
-    ("\\<null\\>" . font-lock-builtin-face)
-    ("\\<import\\>" . font-lock-builtin-face)
-    ("\\<derivation\\>" . font-lock-builtin-face)
-    ("\\<baseNameOf\\>" . font-lock-builtin-face)
-    ("\\<toString\\>" . font-lock-builtin-face)
-    ("\\<isNull\\>" . font-lock-builtin-face)
+  '("\\_<if\\_>" "\\_<then\\_>" "\\_<else\\_>" "\\_<assert\\_>" "\\_<with\\_>"
+    "\\_<let\\_>" "\\_<in\\_>" "\\_<rec\\_>" "\\_<inherit\\_>" "\\_<or\\_>"
+    ("\\_<true\\_>" . font-lock-builtin-face)
+    ("\\_<false\\_>" . font-lock-builtin-face)
+    ("\\_<null\\_>" . font-lock-builtin-face)
+    ("\\_<import\\_>" . font-lock-builtin-face)
+    ("\\_<derivation\\_>" . font-lock-builtin-face)
+    ("\\_<baseNameOf\\_>" . font-lock-builtin-face)
+    ("\\_<toString\\_>" . font-lock-builtin-face)
+    ("\\_<isNull\\_>" . font-lock-builtin-face)
     ("[a-zA-Z][a-zA-Z0-9\\+-\\.]*:[a-zA-Z0-9%/\\?:@&=\\+\\$,_\\.!~\\*'-]+"
      . font-lock-constant-face)
     ("\\<\\([a-zA-Z_][a-zA-Z0-9_'\-\.]*\\)[ \t]*="
@@ -26,7 +40,8 @@
     ("<[a-zA-Z0-9._\\+-]+\\(/[a-zA-Z0-9._\\+-]+\\)*>"
      . font-lock-constant-face)
     ("[a-zA-Z0-9._\\+-]*\\(/[a-zA-Z0-9._\\+-]+\\)+"
-     . font-lock-constant-face))
+     . font-lock-constant-face)
+    (nix-syntax-match-antiquote 0 font-lock-preprocessor-face t))
   "Font lock keywords for nix.")
 
 (defvar nix-mode-syntax-table
@@ -38,6 +53,67 @@
     table)
   "Syntax table for Nix mode.")
 
+(defun nix-syntax-propertize-escaped-antiquote ()
+  "Set syntax properies for escaped antiquote marks."
+  nil)
+
+(defun nix-syntax-propertize-multiline-string ()
+  "Set syntax properies for multiline string delimiters."
+  (let* ((start (match-beginning 0))
+         (end (match-end 0))
+         (context (save-excursion (save-match-data (syntax-ppss start))))
+         (string-type (nth 3 context)))
+    (pcase string-type
+      (`t
+       ;; inside a multiline string
+       ;; ending multi-line string delimiter
+       (put-text-property (1- end) end
+                          'syntax-table (string-to-syntax "|")))
+      (`nil
+       ;; beginning multi-line string delimiter
+       (put-text-property start (1+ start)
+                          'syntax-table (string-to-syntax "|"))))))
+
+(defun nix-syntax-propertize-antiquote ()
+  "Set syntax properties for antiquote marks."
+  (let* ((start (match-beginning 0)))
+    (put-text-property start (1+ start)
+                       'syntax-table (string-to-syntax "|"))
+    (put-text-property start (+ start 2)
+                       'nix-syntax-antiquote t)))
+
+(defun nix-syntax-propertize-close-brace ()
+  "Set syntax properties for close braces.
+If a close brace `}' ends an antiquote, the next character begins a string."
+  (let* ((start (match-beginning 0))
+         (end (match-end 0))
+         (context (save-excursion (save-match-data (syntax-ppss start))))
+         (open (nth 1 context)))
+    (when open ;; a corresponding open-brace was found
+      (let* ((antiquote (get-text-property open 'nix-syntax-antiquote)))
+        (when antiquote
+          (put-text-property (+ start 1) (+ start 2)
+                             'syntax-table (string-to-syntax "|"))
+          (put-text-property start (1+ start)
+                             'nix-syntax-antiquote t))))))
+
+(defun nix-syntax-propertize (start end)
+  "Special syntax properties for Nix."
+  ;; search for multi-line string delimiters
+  (goto-char start)
+  (remove-text-properties start end '(syntax-table nil nix-syntax-antiquote nil))
+  (funcall
+   (syntax-propertize-rules
+    ("''\\${"
+     (0 (ignore (nix-syntax-propertize-escaped-antiquote))))
+    ("''"
+     (0 (ignore (nix-syntax-propertize-multiline-string))))
+    ("\\${"
+     (0 (ignore (nix-syntax-propertize-antiquote))))
+    ("}"
+     (0 (ignore (nix-syntax-propertize-close-brace)))))
+   start end))
+
 (defun nix-indent-line ()
   "Indent current line in a Nix expression."
   (interactive)
@@ -69,7 +145,13 @@ The hook `nix-mode-hook' is run when Nix mode is started.
   (set-syntax-table nix-mode-syntax-table)
 
   ;; Font lock support.
-  (setq font-lock-defaults '(nix-font-lock-keywords nil nil nil nil))
+  (setq-local font-lock-defaults '(nix-font-lock-keywords nil nil nil nil))
+
+  ;; Special syntax properties for Nix
+  (setq-local syntax-propertize-function 'nix-syntax-propertize)
+
+  ;; Look at text properties when parsing
+  (setq-local parse-sexp-lookup-properties t)
 
   ;; Automatic indentation [C-j].
   (set (make-local-variable 'indent-line-function) 'nix-indent-line)
diff --git a/misc/systemv/nix-daemon b/misc/systemv/nix-daemon
new file mode 100755
index 000000000000..fea53716721d
--- /dev/null
+++ b/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
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