Fix issue with sparse-checkout of include-vars

Path of include-vars were not correctly added to the list of sparse
paths for the matching connection/project. Instead they were added to
the paths for the last processed playbook connection/project.

Change-Id: I4aa0dbcd6f3b4a84c0f412f90cc742483741c22d

tests/fixtures/config/workspace-checkout/git/org_project2/zuul.include/vars.yaml

@@ -0,0 +1 @@
+foo: project2

tests/fixtures/config/workspace-checkout/git/org_project2/zuul.yaml

@@ -0,0 +1,10 @@
+- job:
+    name: test-workspace-checkout-multi-include-vars
+    parent: test-workspace-checkout-false
+    files: '.*'  # Reset parent file matcher
+    include-vars: zuul.include/vars.yaml
+
+- project:
+    check:
+      jobs:
+        - test-workspace-checkout-multi-include-vars

tests/unit/test_executor.py

@@ -1473,3 +1473,15 @@ class TestExecutorWorkspaceCheckout(ZuulTestCase, ExecutorReposMixin):
         for f, expected in file_checks.items():
             exists = os.path.exists(os.path.join(path, f))
             self.assertEqual(expected, exists, f)
+
+    def test_workspace_checkout_multi_include_vars(self):
+        A = self.fake_gerrit.addFakeChange('org/project2', 'master', 'A')
+        self.fake_gerrit.addEvent(A.getPatchsetCreatedEvent(1))
+        self.waitUntilSettled()
+
+        self.assertHistory([
+            dict(
+                name='test-workspace-checkout-multi-include-vars',
+                result='SUCCESS'
+            ),
+        ], ordered=False)

zuul/executor/server.py

@@ -2321,6 +2321,7 @@ class AnsibleJob(object):
         for iv in self.job.include_vars:
             # For each include-vars, add the contining dir
             key = (iv['connection'], iv['project'])
+            paths = self.repo_sparse_paths[key]
             ivpath = os.path.dirname(iv['name'])
             # Remove any / at the start and add one at the end.
             ivpath = ivpath.lstrip('/') + '/'