Merge pull request #233 from pre-commit/mixed-line-ending

Add mixed-line-ending hook
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 24c1859..5fed7da 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,3 +1,4 @@
+repos:
 -   repo: https://github.com/pre-commit/pre-commit-hooks
     sha: v0.9.2
     hooks:
@@ -15,7 +16,6 @@
 -   repo: https://github.com/pre-commit/pre-commit
     sha: v0.16.3
     hooks:
-    -   id: validate_config
     -   id: validate_manifest
 -   repo: https://github.com/asottile/reorder_python_imports
     sha: v0.3.5
diff --git a/.travis.yml b/.travis.yml
index c4c3b19..6d428ce 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -18,5 +18,5 @@
 cache:
     directories:
         - $HOME/.cache/pip
-        - $HOME/.pre-commit
+        - $HOME/.cache/pre-commit
         - /tmp/git-lfs
diff --git a/appveyor.yml b/appveyor.yml
index a0df40b..8df64a5 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -14,4 +14,4 @@
 
 cache:
   - '%LOCALAPPDATA%\pip\cache'
-  - '%USERPROFILE%\.pre-commit'
+  - '%USERPROFILE%\.cache\pre-commit'