zfstools: Add new package

zfstools is an OpenSolaris-like and compatible auto snapshotting script
for ZFS, which also supports auto snapshotting mysql databases.

pkgs/tools/filesystems/zfstools/default.nix

@@ -0,0 +1,39 @@
+{ stdenv, fetchgit, ruby, zfs }:
+
+stdenv.mkDerivation rec {
+  name = "zfstools-${version}";
+
+  version = "0.3.1";
+
+  src = fetchgit {
+    url = https://github.com/bdrewery/zfstools.git;
+    rev = "refs/tags/v${version}";
+    sha256 = "0bhs0gn1f4z1jm631vp26sbysy4crq489q56rxqfd8ns1xsp1f5j";
+  };
+
+  buildInputs = [ ruby ];
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp bin/* $out/bin/
+
+    cp -R lib $out/
+
+    for f in $out/bin/*; do
+      substituteInPlace $f --replace "/usr/bin/env ruby" "ruby -I$out/lib"
+    done
+
+    sed -e 's|cmd.*=.*"zfs |cmd = "${zfs}/sbin/zfs |g' -i $out/lib/zfstools/{dataset,snapshot}.rb
+  '';
+
+  meta = {
+    homepage = https://github.com/bdrewery/zfstools;
+    description = "OpenSolaris-like and compatible auto snapshotting script for ZFS";
+    longDescription = ''
+      zfstools is an OpenSolaris-like and compatible auto snapshotting script
+      for ZFS, which also supports auto snapshotting mysql databases.
+    '';
+
+    license = stdenv.lib.licenses.bsd2;
+  };
+}

pkgs/top-level/all-packages.nix

@@ -2240,6 +2240,10 @@ let
 
   zdelta = callPackage ../tools/compression/zdelta { };
 
+  zfstools = callPackage ../tools/filesystems/zfstools {
+    zfs = linuxPackages.zfs;
+  };
+
   zile = callPackage ../applications/editors/zile { };
 
   zip = callPackage ../tools/archivers/zip { };