vcstool: init at 0.1.31

Adds vcstool application. Initial work to get ROS2 packages on Nix.

pkgs/development/tools/vcstool/default.nix

@@ -0,0 +1,28 @@
+{ stdenv, python3Packages
+, git, bazaar, subversion }:
+
+with python3Packages;
+
+buildPythonApplication rec {
+  name = "${pname}-${version}";
+  pname = "vcstool";
+  version = "0.1.31";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0n2zkvy2km9ky9lljf1mq5nqyqi5qqzfy2a6sgkjg2grvsk7abxc";
+  };
+
+  propagatedBuildInputs = [ pyyaml ];
+
+  makeWrapperArgs = ["--prefix" "PATH" ":" "${stdenv.lib.makeBinPath [ git bazaar subversion ]}"];
+
+  doCheck = false; # requires network
+
+  meta = with stdenv.lib; {
+    description = "Provides a command line tool to invoke vcs commands on multiple repositories";
+    homepage = https://github.com/dirk-thomas/vcstool;
+    license = licenses.asl20;
+    maintainer = with maintainers; [ sivteck ];
+  };
+}

pkgs/top-level/all-packages.nix

@@ -4744,6 +4744,8 @@ with pkgs;
     inherit (perlPackages) ShellCommand TestMost;
   };
 
+  vcstool = callPackage ../development/tools/vcstool { };
+
   verilator = callPackage ../applications/science/electronics/verilator {};
 
   verilog = callPackage ../applications/science/electronics/verilog {};