repo: add --version support to the launcher

We can get version info when in a checkout, but it'd be helpful
to show that info at all times.

Change-Id: Ieeb44a503c9d7d8c487db4810bdcf3d5f6656c82
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/254712
Reviewed-by: Michael Mortensen <mmortensen@google.com>
Reviewed-by: Mike Frysinger <vapier@google.com>
Tested-by: Mike Frysinger <vapier@google.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/tox.ini b/tox.ini
index 02c5647d..bd1e18cc 100644
--- a/tox.ini
+++ b/tox.ini
@@ -20,3 +20,8 @@ envlist = py27, py36, py37, py38
 [testenv]
 deps = pytest
 commands = {toxinidir}/run_tests
+
+[testenv:py27]
+deps =
+    mock
+    pytest