pythonPackages.sh: 1.11 -> 1.12.14

- Enable unit tests.
- Add MIT license.

pkgs/top-level/python-packages.nix

@@ -6729,18 +6729,25 @@ in {
 
 
   sh = buildPythonPackage rec {
-    name = "sh-1.11";
+    pname = "sh";
+    version = "1.12.14";
 
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/s/sh/${name}.tar.gz";
-      sha256 = "590fb9b84abf8b1f560df92d73d87965f1e85c6b8330f8a5f6b336b36f0559a4";
+    src = fetchPypi {
+      inherit pname version;
+      sha256 = "1z2hx357xp3v4cv44xmqp7lli3frndqpyfmpbxf7n76h7s1zaaxm";
     };
 
-    doCheck = false;
+    buildInputs = with self; [ coverage ];
+
+    # A test needs the HOME directory to be different from $TMPDIR.
+    preCheck = ''
+    HOME=$(mktemp -d)
+    '';
 
     meta = {
       description = "Python subprocess interface";
       homepage = https://pypi.python.org/pypi/sh/;
+      license = licenses.mit;
     };
   };