reduce git clone depth

1 files changed, 4 insertions, 0 deletions

diff --git a/.travis.yml b/.travis.yml

index 197dec2bc9..5b6fc47cee 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,10 @@ language: python
 # tell travis to cache ~/.cache/pip
 cache: pip
 
+# don't clone the whole repo history, one commit will do
+git:
+  depth: 1
+
 # only build branches we care about (PRs are built seperately)
 branches:
   only: