Add REZ_USED_LOCAL_RESOLVE context environment variable (#1378)

* Add REZ_USED_LOCAL_RESOLVE context environment variable in the same style as REZ_USED_EPH_RESOLVE for any packages resolved to a local destination

Signed-off-by: Josh <[email protected]>

src/rez/resolved_context.py

@@ -1959,6 +1959,7 @@ def normalized(path):
         request_str = ' '.join(str(x) for x in self._package_requests)
         implicit_str = ' '.join(str(x) for x in self.implicit_packages)
         resolve_str = ' '.join(x.qualified_package_name for x in resolved_pkgs)
+        local_packages_str = ' '.join(x.qualified_package_name for x in resolved_pkgs if x.is_local)
         req_timestamp_str = str(self.requested_timestamp or 0)
         package_paths_str = executor.interpreter.pathsep.join(
             normalized(x) for x in self.package_paths
@@ -1979,6 +1980,9 @@ def normalized(path):
             eph_resolve_str = ' '.join(str(x) for x in ephemerals)
             executor.setenv("REZ_USED_EPH_RESOLVE", eph_resolve_str)
 
+        if local_packages_str:
+            executor.setenv("REZ_USED_LOCAL_RESOLVE", local_packages_str)
+
         if self.building:
             executor.setenv("REZ_BUILD_ENV", "1")
 

wiki/pages/Environment-Variables.md

@@ -12,6 +12,8 @@ These are variables that rez generates within a resolved environment (a "context
 * **REZ_USED_PACKAGES_PATH** - The package searchpath used for this resolve.
 * **REZ_USED_RESOLVE** - The list of resolved packages, eg *"platform-linux utils-1.2.3"*.
 * **REZ_USED_EPH_RESOLVE** - The list of resolved ephemerals, eg *".foo.cli-1 .debugging-0"*.
+* **REZ_USED_LOCAL_RESOLVE** - The list of resolved local packages, eg *"utils-1.2.3 maya_utils-1.3+"*.
+  Packages listed here will always be a subset of the packages in *REZ_USED_RESOLVE*.
 * **REZ_USED_REQUEST** - The environment request string, eg *"maya-2017 maya_utils-1.3+"*.
   Does not include implicit packages.
 * **REZ_USED_REQUESTED_TIMESTAMP** - The epoch time of this resolved environment,