Merge pull request #1588 from ocharles/pythonPackages.tarsnapper

pythonPackages.tarsnapper: New expression

pkgs/development/python-modules/tarsnapper-path.patch

@@ -0,0 +1,20 @@
+diff --git a/src/tarsnapper/script.py b/src/tarsnapper/script.py
+index 737ac8d..52cc775 100644
+--- a/src/tarsnapper/script.py
++++ b/src/tarsnapper/script.py
+@@ -48,7 +48,7 @@ class TarsnapBackend(object):
+         """
+         ``arguments`` is a single list of strings.
+         """
+-        call_with = ['tarsnap']
++        call_with = ['@NIXTARSNAPPATH@']
+         for option in self.options:
+             key = option[0]
+             pre = "-" if len(key) == 1 else "--"
+@@ -499,4 +499,4 @@ def run():
+ 
+ 
+ if __name__ == '__main__':
+-    run()
+\ No newline at end of file
++    run()

pkgs/top-level/python-packages.nix

@@ -6630,6 +6630,24 @@ pythonPackages = modules // import ./python-packages-generated.nix {
     };
   };
 
+  tarsnapper = buildPythonPackage rec {
+    name = "tarsnapper-0.2.1";
+
+    src = fetchgit {
+      url = https://github.com/miracle2k/tarsnapper.git;
+      rev = "620439bca68892f2ffaba1079a34b18496cc6596";
+    };
+
+    propagatedBuildInputs = [ argparse pyyaml ];
+
+    patches = [ ../development/python-modules/tarsnapper-path.patch ];
+
+    preConfigure = ''
+      substituteInPlace src/tarsnapper/script.py \
+        --replace '@NIXTARSNAPPATH@' '${pkgs.tarsnap}/bin/tarsnap'
+    '';
+  };
+
   taskcoach = buildPythonPackage rec {
     name = "TaskCoach-1.3.22";