1 files changed, 26 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/tools/filesystems/zerofree/default.nix b/nixpkgs/pkgs/tools/filesystems/zerofree/default.nix
new file mode 100644
index 000000000000..c311ac1af231
--- /dev/null
+++ b/nixpkgs/pkgs/tools/filesystems/zerofree/default.nix
@@ -0,0 +1,26 @@
+{ stdenv, fetchurl, e2fsprogs }:
+
+stdenv.mkDerivation rec {
+  name = "zerofree-${version}";
+  version = "1.1.1";
+
+  src = fetchurl {
+    url = "https://frippery.org/uml/${name}.tgz";
+    sha256 = "0rrqfa5z103ws89vi8kfvbks1cfs74ix6n1wb6vs582vnmhwhswm";
+  };
+
+  buildInputs = [ e2fsprogs ];
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp zerofree $out/bin
+'';
+
+  meta = {
+    homepage = https://frippery.org/uml/;
+    description = "Zero free blocks from ext2, ext3 and ext4 file-systems";
+    platforms = stdenv.lib.platforms.linux;
+    license = stdenv.lib.licenses.gpl2;
+    maintainers = [ stdenv.lib.maintainers.theuni ];
+  };
+}