From 0fd8c61d93711e23a31f07c613f042caa0c0b6ee Mon Sep 17 00:00:00 2001
From: Jon Wayne Parrott <jonwayne@google.com>
Date: Tue, 9 Aug 2016 14:09:50 -0700
Subject: [PATCH] Fix pypy environment in Travis

---
 scripts/install.sh | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/scripts/install.sh b/scripts/install.sh
index 1f2378b..50d1e48 100755
--- a/scripts/install.sh
+++ b/scripts/install.sh
@@ -25,6 +25,8 @@ fi
 
 # Travis ships with an old version of PyPy, so install at least version 2.6.
 if [[ "${TOX_ENV}" == "pypy" ]]; then
-    git clone https://github.com/yyuu/pyenv.git ${HOME}/.pyenv
-    ${HOME}/.pyenv/bin/pyenv install pypy-2.6.0
+    if [ ! -d "${HOME}/.pyenv" ]; then
+        git clone https://github.com/yyuu/pyenv.git ${HOME}/.pyenv
+    fi
+    ${HOME}/.pyenv/bin/pyenv install --skip-existing pypy-2.6.0
 fi