1 files changed, 69 insertions, 0 deletions
diff --git a/pkgs/tools/filesystems/bees/default.nix b/pkgs/tools/filesystems/bees/default.nix
new file mode 100644
index 000000000000..c43962cb075d
--- /dev/null
+++ b/pkgs/tools/filesystems/bees/default.nix
@@ -0,0 +1,69 @@
+{ stdenv, runCommand, makeWrapper, fetchFromGitHub, bash, btrfs-progs, coreutils, pythonPackages, utillinux }:
+
+let
+
+  version = "0.6.1";
+  sha256 = "0h7idclmhyp14mq6786x7f2237vqpn70gyi88ik4g70xl84yfgyh";
+
+  bees = stdenv.mkDerivation rec {
+    name = "bees-${version}";
+    inherit version;
+
+    src = fetchFromGitHub {
+      owner = "Zygo";
+      repo = "bees";
+      rev = "v${version}";
+      inherit sha256;
+    };
+
+    buildInputs = [
+      btrfs-progs               # for btrfs/ioctl.h
+      utillinux                 # for uuid.h
+    ];
+
+    nativeBuildInputs = [
+      pythonPackages.markdown   # documentation build
+    ];
+
+    preBuild = ''
+      git() { if [[ $1 = describe ]]; then echo ${version}; else command git "$@"; fi; }
+      export -f git
+    '';
+
+    postBuild = ''
+      unset -f git
+    '';
+
+    buildFlags = [
+      "ETC_PREFIX=/var/run/bees/configs"
+    ];
+
+    makeFlags = [
+      "SHELL=bash"
+      "PREFIX=$(out)"
+      "ETC_PREFIX=$(out)/etc"
+      "BEES_VERSION=${version}"
+      "SYSTEMD_SYSTEM_UNIT_DIR=$(out)/etc/systemd/system"
+    ];
+
+    meta = with stdenv.lib; {
+      homepage = "https://github.com/Zygo/bees";
+      description = "Block-oriented BTRFS deduplication service";
+      license = licenses.gpl3;
+      platforms = platforms.linux;
+      maintainers = with maintainers; [ chaduffy ];
+      longDescription = "Best-Effort Extent-Same: bees finds not just identical files, but also identical extents within files that differ";
+    };
+  };
+
+in
+
+runCommand "bees-service-${version}" {
+  inherit bash bees coreutils utillinux;
+  btrfsProgs = btrfs-progs; # needs to be a valid shell variable name
+} ''
+  mkdir -p -- "$out/bin"
+  substituteAll ${./bees-service-wrapper} "$out"/bin/bees-service-wrapper
+  chmod +x "$out"/bin/bees-service-wrapper
+  ln -s ${bees}/bin/beesd "$out"/bin/beesd
+''