Tweak vc-tests.el for bzr

* test/lisp/vc/vc-tests.el (vc-test--working-revision):
Handle test environments where HOME does not exist.

1 files changed, 9 insertions, 2 deletions

diff --git a/test/lisp/vc/vc-tests.el b/test/lisp/vc/vc-tests.el
index f2898cb6d2c..656f673b201 100644
--- a/test/lisp/vc/vc-tests.el
+++ b/test/lisp/vc/vc-tests.el
@@ -307,8 +307,13 @@ This checks also `vc-backend' and `vc-responsible-backend'."
           (file-name-as-directory
            (expand-file-name
             (make-temp-name "vc-test") temporary-file-directory)))
+        (process-environment process-environment)
+        tempdir
         vc-test--cleanup-hook)
-
+    (when (eq backend 'Bzr)
+      (setq tempdir (make-temp-file "vc-test--state" t)
+            process-environment (cons (format "BZR_HOME=%s" tempdir)
+                                      process-environment)))
     (unwind-protect
         (progn
           ;; Cleanup.
@@ -357,7 +362,9 @@ This checks also `vc-backend' and `vc-responsible-backend'."
                             '(nil unregistered))))))
 
       ;; Save exit.
-      (ignore-errors (run-hooks 'vc-test--cleanup-hook)))))
+      (ignore-errors
+        (if tempdir (delete-directory tempdir t))
+        (run-hooks 'vc-test--cleanup-hook)))))
 
 (defun vc-test--working-revision (backend)
   "Check the working revision of a repository."