rsync/rrsync: less code duplication

- refactor the common parts all into the base.nix
- add myself as maintainer

pkgs/applications/networking/sync/rsync/base.nix

@@ -0,0 +1,26 @@
+{ stdenv, fetchurl }:
+
+let
+  version = "3.2.1";
+in
+{
+  version = version;
+  src = fetchurl {
+    # signed with key 0048 C8B0 26D4 C96F 0E58  9C2F 6C85 9FB1 4B96 A8C5
+    url = "mirror://samba/rsync/src/rsync-${version}.tar.gz";
+    sha256 = "1hm1q04hz15509f0p9bflw4d6jzfvpm1d36dxjwihk1wzakn5ypc";
+  };
+  patches = fetchurl {
+    # signed with key 0048 C8B0 26D4 C96F 0E58  9C2F 6C85 9FB1 4B96 A8C5
+    url = "mirror://samba/rsync/rsync-patches-${version}.tar.gz";
+    sha256 = "09i3dcl37p22dp75vlnsvx7bm05ggafnrf1zwhf2kbij4ngvxvpd";
+  };
+
+  meta = with stdenv.lib; {
+    homepage = http://rsync.samba.org/;
+    #description = "A helper to run rsync-only environments from ssh-logins.";
+    license = licenses.gpl3Plus;
+    platforms = platforms.unix;
+    maintainers = with maintainers; [ simons ehmry kampfschlaefer ];
+  };
+}

pkgs/applications/networking/sync/rsync/default.nix

@@ -5,17 +5,15 @@
 
 assert enableACLs -> acl != null;
 
+let
+  base = import ./base.nix { inherit stdenv fetchurl; };
+in
 stdenv.mkDerivation rec {
-  name = "rsync-${version}";
-  version = "3.1.2";
+  name = "rsync-${base.version}";
 
-  mainSrc = import ./src.nix { inherit fetchurl version; };
+  mainSrc = base.src;
 
-  patchesSrc = fetchurl {
-    # signed with key 0048 C8B0 26D4 C96F 0E58  9C2F 6C85 9FB1 4B96 A8C5
-    url = "mirror://samba/rsync/rsync-patches-${version}.tar.gz";
-    sha256 = "09i3dcl37p22dp75vlnsvx7bm05ggafnrf1zwhf2kbij4ngvxvpd";
-  };
+  patchesSrc = base.patches;
 
   srcs = [mainSrc] ++ stdenv.lib.optional enableCopyDevicesPatch patchesSrc;
   patches = stdenv.lib.optional enableCopyDevicesPatch "./patches/copy-devices.diff";
@@ -25,11 +23,7 @@ stdenv.mkDerivation rec {
 
   configureFlags = "--with-nobody-group=nogroup";
 
-  meta = with stdenv.lib; {
-    homepage = http://rsync.samba.org/;
+  meta = base.meta // {
     description = "A fast incremental file transfer utility";
-    license = licenses.gpl3Plus;
-    platforms = platforms.unix;
-    maintainers = with maintainers; [ simons ehmry ];
   };
 }

pkgs/applications/networking/sync/rsync/rrsync.nix

@@ -1,10 +1,12 @@
 { stdenv, fetchurl, perl, rsync }:
 
+let
+  base = import ./base.nix { inherit stdenv fetchurl; };
+in
 stdenv.mkDerivation rec {
-  name = "rrsync-${version}";
-  version = "3.1.2";
+  name = "rrsync-${base.version}";
 
-  src = import ./src.nix { inherit fetchurl version; };
+  src = base.src;
 
   buildInputs = [ rsync ];
   nativeBuildInputs = [perl];
@@ -15,7 +17,7 @@ stdenv.mkDerivation rec {
   dontBuild = true;
 
   postPatch = ''
-    sed -i 's#/usr/bin/rsync#${rsync}/bin/rsync#' support/rrsync
+    substituteInPlace support/rrsync --replace /usr/bin/rsync ${rsync}/bin/rsync
   '';
 
   installPhase = ''
@@ -24,11 +26,7 @@ stdenv.mkDerivation rec {
     chmod a+x $out/bin/rrsync
   '';
 
-  meta = with stdenv.lib; {
-    homepage = http://rsync.samba.org/;
-    description = "A helper to run rsync-only environments from ssh-logins.";
-    license = licenses.gpl3Plus;
-    platforms = platforms.unix;
-    maintainers = with maintainers; [ simons ehmry ];
+  meta = base.meta // {
+    description = "A helper to run rsync-only environments from ssh-logins";
   };
 }

pkgs/applications/networking/sync/rsync/src.nix

@@ -1,7 +0,0 @@
-{ version, fetchurl }:
-
-fetchurl {
-  # signed with key 0048 C8B0 26D4 C96F 0E58  9C2F 6C85 9FB1 4B96 A8C5
-  url = "mirror://samba/rsync/src/rsync-${version}.tar.gz";
-  sha256 = "1hm1q04hz15509f0p9bflw4d6jzfvpm1d36dxjwihk1wzakn5ypc";
-}