From fe0ba8c641a8d9994f36ee0471f6fe0ca4a18eab Mon Sep 17 00:00:00 2001
From: micbou <contact@micbou.com>
Date: Wed, 29 Nov 2017 19:34:53 +0100
Subject: [PATCH] Fix macOS builds on Travis

RVM overrides the cd, popd, and pushd shell commands, causing the
"shell_session_update: command not found" error on macOS when executing those
commands.
---
 ci/travis/travis_install.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/ci/travis/travis_install.sh b/ci/travis/travis_install.sh
index 75e05886..111b114f 100644
--- a/ci/travis/travis_install.sh
+++ b/ci/travis/travis_install.sh
@@ -2,6 +2,11 @@
 
 set -ev
 
+# RVM overrides the cd, popd, and pushd shell commands, causing the
+# "shell_session_update: command not found" error on macOS when executing those
+# commands.
+unset -f cd popd pushd
+
 ####################
 # OS-specific setup
 ####################