From 7d7451a67a38157b51d24a28808ed199b1672a0c Mon Sep 17 00:00:00 2001
From: Lzu Tao <taolzu@gmail.com>
Date: Fri, 18 Oct 2019 14:58:26 +0700
Subject: [PATCH] build: use release build of RTIM

rustup-toolchain-install-master on Travis Windows builds is
unexpectedly slower when it was running on other OSes.
This commit tries to use release build of RTIM as a mean to
improve performance there.
---
 appveyor.yml       |  2 +-
 setup-toolchain.sh | 10 +++-------
 2 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/appveyor.yml b/appveyor.yml
index d15bdec98f0..5a895672bf7 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -24,7 +24,7 @@ install:
     - rustup-init.exe -y --default-host %TARGET% --default-toolchain nightly --profile=minimal
     - set PATH=%PATH%;C:\Users\appveyor\.cargo\bin
     - del rust-toolchain
-    - cargo install -Z install-upgrade rustup-toolchain-install-master --debug || echo "rustup-toolchain-install-master already installed"
+    - cargo install -Z install-upgrade rustup-toolchain-install-master
     - rustup-toolchain-install-master -f -n master
     - rustup component add rustfmt --toolchain nightly & exit 0 # Format test handles missing rustfmt
     - rustup default master
diff --git a/setup-toolchain.sh b/setup-toolchain.sh
index 27c2e87f172..aac18e37946 100755
--- a/setup-toolchain.sh
+++ b/setup-toolchain.sh
@@ -3,14 +3,10 @@
 
 set -e
 
-cd "$(dirname "$0")" || exit
+cd "$(dirname "$0")"
 
-if ! command -v rustup-toolchain-install-master > /dev/null; then
-  cargo install \
-    -Z install-upgrade \
-    rustup-toolchain-install-master \
-    --bin rustup-toolchain-install-master \
-    --debug
+if [[ "$CI" == true ]] || ! command -v rustup-toolchain-install-master > /dev/null; then
+  cargo install -Z install-upgrade rustup-toolchain-install-master --bin rustup-toolchain-install-master
 fi
 
 rustup-toolchain-install-master -f -n master