Merge pull request #86861 from evils/btrfs-heatmap

btrfs-heatmap: init at v8; incl. python.pkgs.btrfs

pkgs/development/python-modules/btrfs/default.nix

@@ -0,0 +1,22 @@
+{ stdenv
+, buildPythonPackage
+, fetchPypi
+}:
+
+buildPythonPackage rec {
+  pname = "btrfs";
+  version = "11";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1w92sj47wy53ygz725xr613k32pk5khi0g9lrpp6img871241hrx";
+  };
+
+  meta = with stdenv.lib; {
+    description = "Inspect btrfs filesystems";
+    homepage = "https://github.com/knorrie/python-btrfs";
+    license = licenses.lgpl3Plus;
+    platforms = platforms.linux;
+    maintainers = [ maintainers.evils ];
+  };
+}

pkgs/tools/filesystems/btrfs-heatmap/default.nix

@@ -0,0 +1,46 @@
+{ stdenv, lib
+, fetchFromGitHub
+, python3
+, installShellFiles
+, fetchurl
+}:
+
+stdenv.mkDerivation rec {
+  pname = "btrfs-heatmap";
+  version = "8";
+
+  src = fetchFromGitHub {
+    owner = "knorrie";
+    repo = "btrfs-heatmap";
+    rev = "v${version}";
+    sha256 = "035frvk3s7g18y81srssvm550nfq7jylr7w60nvixidxvrc0yrnh";
+  };
+
+  # man page is currently only in the debian branch
+  # https://github.com/knorrie/btrfs-heatmap/issues/11
+  msrc = fetchurl {
+    url = "https://raw.githubusercontent.com/knorrie/btrfs-heatmap/45d844e12d7f5842ebb99e65d7b968a5e1a89066/debian/man/btrfs-heatmap.8";
+    sha256 = "1md7xc426sc8lq4w29gjd6gv7vjqhcwrqqcr6z39kihvi04d5f6q";
+  };
+
+  buildInputs = [ python3 ];
+  nativeBuildInputs = [ python3.pkgs.wrapPython installShellFiles ];
+
+  outputs = [ "out" "man" ];
+
+  installPhase = ''
+    install -Dm 0755 heatmap.py $out/sbin/btrfs-heatmap
+    installManPage ${msrc}
+
+    buildPythonPath ${python3.pkgs.btrfs}
+    patchPythonScript $out/sbin/btrfs-heatmap
+  '';
+
+  meta = with lib; {
+    description = "Visualize the layout of a mounted btrfs";
+    homepage = "https://github.com/knorrie/btrfs-heatmap";
+    license = licenses.mit;
+    platforms = platforms.linux;
+    maintainers = [ maintainers.evils ];
+  };
+}

pkgs/top-level/all-packages.nix

@@ -862,6 +862,8 @@ in
 
   boulder = callPackage ../tools/admin/boulder { };
 
+  btrfs-heatmap = callPackage ../tools/filesystems/btrfs-heatmap { };
+
   buildbot = with python3Packages; toPythonApplication buildbot;
   buildbot-ui = with python3Packages; toPythonApplication buildbot-ui;
   buildbot-full = with python3Packages; toPythonApplication buildbot-full;

pkgs/top-level/python-packages.nix

@@ -557,6 +557,8 @@ in {
 
   browsermob-proxy = disabledIf isPy3k (callPackage ../development/python-modules/browsermob-proxy {});
 
+  btrfs = callPackage ../development/python-modules/btrfs { };
+
   bt_proximity = callPackage ../development/python-modules/bt-proximity { };
 
   bugseverywhere = throw "bugseverywhere has been removed: Abandoned by upstream."; # Added 2019-11-27