Support GNUPGHOME environment variable (#134)

test/test_assert_private_dirs.py

@@ -48,7 +48,7 @@ def test_pdirs_missing(runner, yadm_y, paths, home):
     # confirm directories are created before command is run:
     if home:
         assert re.search(
-            (r'Creating.+\.gnupg.+Creating.+\.ssh.+'
+            (r'Creating.+\.(gnupg|ssh).+Creating.+\.(gnupg|ssh).+'
              r'Running git command git status'),
             run.out, re.DOTALL), 'directories created before command is run'
 

test/test_unit_private_dirs.py

@@ -0,0 +1,34 @@
+"""Unit tests: private_dirs"""
+import pytest
+
+
+@pytest.mark.parametrize(
+    'gnupghome',
+    [True, False],
+    ids=['gnupghome-set', 'gnupghome-unset'],
+)
+@pytest.mark.parametrize('param', ['all', 'gnupg'])
+def test_relative_path(runner, paths, gnupghome, param):
+    """Test translate_to_relative"""
+
+    alt_gnupghome = 'alt/gnupghome'
+    env_gnupghome = paths.work.join(alt_gnupghome)
+
+    script = f"""
+        YADM_TEST=1 source {paths.pgm}
+        YADM_WORK={paths.work}
+        private_dirs {param}
+    """
+
+    env = {}
+    if gnupghome:
+        env['GNUPGHOME'] = env_gnupghome
+
+    expected = alt_gnupghome if gnupghome else '.gnupg'
+    if param == 'all':
+        expected = f'.ssh {expected}'
+
+    run = runner(command=['bash'], inp=script, env=env)
+    assert run.success
+    assert run.err == ''
+    assert run.out.strip() == expected