Merging upstream version 1.4.19.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 6 insertions, 3 deletions

diff --git a/tox.ini b/tox.ini
index d222704..33cae3c 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py27,py35,py36,pypy
+envlist = py27,py35,py36,pypy,pre-commit
 tox_pip_extensions_ext_venv_update = true
 
 [testenv]
@@ -9,8 +9,11 @@ commands =
     coverage erase
     coverage run -m pytest {posargs:tests}
     coverage report --fail-under 100
-    pre-commit install -f --install-hooks
-    pre-commit run --all-files
+
+[testenv:pre-commit]
+skip_install = true
+deps = pre-commit
+commands = pre-commit run --all-files --show-diff-on-failure
 
 [flake8]
 max-line-length = 119