RE-instate chdir in re-opening repo

Valery pointed out to me that FUSE itself does a chdir, so we do
need to chdir back to where we were when re-opening.

2 files changed, 12 insertions, 0 deletions

diff --git a/obnamlib/plugins/fuse_plugin.py b/obnamlib/plugins/fuse_plugin.py
index 0f287381..9ff6eaae 100644
--- a/obnamlib/plugins/fuse_plugin.py
+++ b/obnamlib/plugins/fuse_plugin.py
@@ -582,6 +582,13 @@ class MountPlugin(obnamlib.ObnamPlugin):
         self.app.settings.require('client-name')
         self.app.settings.require('to')
 
+        # Remember the current working directory. FUSE will change
+        # the current working directory to / when it backgrounds itself,
+        # and this can break a --repository setting value that is a
+        # relative pathname. When we re-open the repository, we'll first
+        # chdir to where we are now, so this doesn't break.
+        self.cwd = os.getcwd()
+
         self.repo = self.app.get_repository_object()
 
         logging.debug(
@@ -604,4 +611,9 @@ class MountPlugin(obnamlib.ObnamPlugin):
 
     def reopen(self):
         self.repo.close()
+
+        # Change to original working directory, to allow relative paths
+        # for --repository to work correctly.
+        os.chdir(self.cwd)
+
         self.repo = self.app.get_repository_object()
diff --git a/test-gpghome/random_seed b/test-gpghome/random_seed
index b085e2d2..318f1a41 100644
--- a/test-gpghome/random_seed
+++ b/test-gpghome/random_seed