try to fix conda-build 3

.travis.yml

@@ -51,6 +51,10 @@ matrix:
       sudo: false
       language: generic
       os: linux
+    - env: PYTHON_VERSION=3.6 CONDA_BUILD=3.0.0alpha3
+      sudo: false
+      language: generic
+      os: linux
   allow_failures:
     - os: osx
 

conda/core/solve.py

@@ -5,6 +5,7 @@
 from copy import copy
 from genericpath import exists
 from logging import getLogger
+from operator import itemgetter
 from os.path import basename, join
 
 from .envs_manager import EnvsDirectory

conda/plan.py

@@ -321,11 +321,12 @@ def plan_from_actions(actions, index):
 
     unlink_link_transaction = actions.get('UNLINKLINKTRANSACTION')
     if unlink_link_transaction:
-        progressive_fetch_extract = actions.get('PROGRESSIVEFETCHEXTRACT')
-        if progressive_fetch_extract:
-            plan.append((PROGRESSIVEFETCHEXTRACT, progressive_fetch_extract))
-        plan.append((UNLINKLINKTRANSACTION, unlink_link_transaction))
-        return plan
+        raise RuntimeError()
+        # progressive_fetch_extract = actions.get('PROGRESSIVEFETCHEXTRACT')
+        # if progressive_fetch_extract:
+        #     plan.append((PROGRESSIVEFETCHEXTRACT, progressive_fetch_extract))
+        # plan.append((UNLINKLINKTRANSACTION, unlink_link_transaction))
+        # return plan
 
     axn = actions.get('ACTION') or None
     specs = actions.get('SPECS', [])
@@ -466,14 +467,10 @@ def install_actions(prefix, index, specs, force=False, only_names=None, always_c
     txn = get_install_transaction_single(prefix, index, specs, force, only_names, always_copy,
                                          pinned, minimal_hint, update_deps, prune,
                                          channel_priority_map, is_update)
-
-    pfe = txn.get_pfe()
-    actions = defaultdict(list)
-    actions.update({
-        'PREFIX': prefix,
-        'PROGRESSIVEFETCHEXTRACT': pfe,
-        'UNLINKLINKTRANSACTION': txn,
-    })
+    prefix_setup = txn.prefix_setups[prefix]
+    actions = get_blank_actions(prefix)
+    actions['UNLINK'].extend(prefix_setup.unlink_dists)
+    actions['LINK'].extend(prefix_setup.link_dists)
     return actions