Add suckless.org sinit for experiments

pkgs/os-specific/linux/sinit/default.nix

@@ -0,0 +1,36 @@
+{stdenv, fetchurl, rcinit ? null, rcshutdown ? null, rcreboot ? null}:
+let
+  s = # Generated upstream information
+  rec {
+    baseName="sinit";
+    version="0.9.2";
+    name="${baseName}-${version}";
+    url="http://git.suckless.org/sinit/snapshot/sinit-0.9.2.tar.gz";
+    sha256="0dv4d20q93iffykf5gg8mlg2qfs3nmfrwdar73kg5xwka96c2523";
+  };
+  buildInputs = [
+  ];
+in
+stdenv.mkDerivation {
+  inherit (s) name version;
+  inherit buildInputs;
+  src = fetchurl {
+    inherit (s) url sha256;
+  };
+  makeFlags = ["PREFIX=$(out)"];
+  preConfigure = ""
+    + (stdenv.lib.optionalString (rcinit != null) ''sed -re 's@(rcinitcmd[^"]*")[^"]*"@\1${rcinit}"@' -i config.def.h; '')
+    + (stdenv.lib.optionalString (rcshutdown != null) ''sed -re 's@(rc(reboot|poweroff)cmd[^"]*")[^"]*"@\1${rcshutdown}"@' -i config.def.h; '')
+    + (stdenv.lib.optionalString (rcreboot != null) ''sed -re 's@(rc(reboot)cmd[^"]*")[^"]*"@\1${rcreboot}"@' -i config.def.h; '')
+    ;
+  meta = {
+    inherit (s) version;
+    description = ''A very minimal Linux init implementation from suckless.org'';
+    license = stdenv.lib.licenses.mit ;
+    maintainers = [stdenv.lib.maintainers.raskin];
+    platforms = stdenv.lib.platforms.linux;
+    homepage = "http://tools.suckless.org/sinit";
+    downloadPage = "http://git.suckless.org/sinit";
+    updateWalker = true;
+  };
+}

pkgs/top-level/all-packages.nix

@@ -8589,6 +8589,11 @@ let
 
   shadow = callPackage ../os-specific/linux/shadow { };
 
+  sinit = callPackage ../os-specific/linux/sinit {
+    rcinit = "/etc/rc.d/rc.init";
+    rcshutdown = "/etc/rc.d/rc.shutdown";
+  };
+
   smem = callPackage ../os-specific/linux/smem { };
 
   statifier = builderDefsPackage (import ../os-specific/linux/statifier) { };