From 444fa3a721f32159d6e9a13d5e2db841582d9cf1 Mon Sep 17 00:00:00 2001 From: Niko Matsakis Date: Fri, 19 Jan 2018 14:48:35 -0500 Subject: improvements to travis setup -- cache, use command -v --- src/doc/rustc-dev-guide/ci/install.sh | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'src/doc/rustc-dev-guide/ci') diff --git a/src/doc/rustc-dev-guide/ci/install.sh b/src/doc/rustc-dev-guide/ci/install.sh index dd96daf178f..fac6488b68d 100644 --- a/src/doc/rustc-dev-guide/ci/install.sh +++ b/src/doc/rustc-dev-guide/ci/install.sh @@ -1,7 +1,9 @@ #!/bin/bash set -ex -cargo install cargo install mdbook --vers "0.0.28" +if command -v mdbook >/dev/null 2>&1; then + cargo install mdbook --vers "0.0.28" +fi if command -v ghp-import >/dev/null 2>&1; then pip install ghp-import -- cgit 1.4.1-3-g733a5