Merge remote-tracking branch 'upstream/master' into sage-8.9

pkgs/applications/science/math/sage/sage-src.nix

@@ -57,7 +57,11 @@ stdenv.mkDerivation rec {
   # Since sage unfortunately does not release bugfix releases, packagers must
   # fix those bugs themselves. This is for critical bugfixes, where "critical"
   # == "causes (transient) doctest failures / somebody complained".
-  bugfixPatches = [ ];
+  bugfixPatches = [
+    # To help debug the transient error in
+    # https://trac.sagemath.org/ticket/23087 when it next occurs.
+    ./patches/configurationpy-error-verbose.patch
+  ];
 
   # Patches needed because of package updates. We could just pin the versions of
   # dependencies, but that would lead to rebuilds, confusion and the burdons of
@@ -88,6 +92,11 @@ stdenv.mkDerivation rec {
       sha256 = "0b9293v73wb4x13wv5zwyjgclc01zn16msccfzzi6znswklgvddp";
       stripLen = 1;
     })
+
+    # After updating smypow to (https://trac.sagemath.org/ticket/3360) we can
+    # now set the cache dir to be withing the .sage directory. This is not
+    # strictly necessary, but keeps us from littering in the user's HOME.
+    ./patches/sympow-cache.patch
   ];
 
   patches = nixPatches ++ bugfixPatches ++ packageUpgradePatches;