Lock down yarn version for local repo (currently 1.13.0)

.gitignore

@@ -150,3 +150,4 @@ logger_settings.ini
 conan*.txt
 conanbuildinfo.*
 conan.cmake
+/yarn-error.log

.yarnrc

@@ -0,0 +1,6 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+lastUpdateCheck 1547116152734
+yarn-path ".yarn/releases/yarn-1.13.0.js"

desktop/docker/linux/Dockerfile

@@ -62,7 +62,7 @@ RUN apt-get update && apt-get -q -y --no-install-recommends install curl softwar
       libx11-xcb1 libxss1 libasound2 libgl-dev libsm6 libxrandr2 python-dev \
       libjasper-dev libegl1-mesa libxcomposite-dev libxcursor-dev && \
     locale-gen en_US.UTF-8 && \
-    npm install -g yarn@1.12.3 && \
+    npm install -g yarn@1.13.0 && \
     apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* /usr/share/man
 
 RUN cd /tmp && wget -q https://cmake.org/files/v3.12/cmake-3.12.2-Linux-x86_64.tar.gz && \

desktop/docker/windows/Dockerfile

@@ -27,7 +27,7 @@ RUN apt-get update && apt-get -q -y --no-install-recommends install curl softwar
       libx11-xcb1 libxss1 libasound2 libgl-dev libsm6 libxrandr2 python-dev \
       libjasper-dev libegl1-mesa libxcomposite-dev libxcursor-dev && \
     locale-gen en_US.UTF-8 && \
-    npm install -g yarn@1.12.3 && \
+    npm install -g yarn@1.13.0 && \
     apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* /usr/share/man && \
     python3 -m pip install --upgrade pip && \
     pip3 install conan==1.9.0

docker-build/Dockerfile

@@ -70,7 +70,7 @@ RUN mkdir -p $LEIN_INSTALL \
 # Install React-Native
 RUN npm install -g react-native-cli
 # Install Yarn
-RUN npm install -g yarn@1.12.3
+RUN npm install -g yarn@1.13.0
 
 # Add files needed for installing dependencies
 # Use directory /build for that purpose

scripts/lib/setup/installers.sh

@@ -211,9 +211,9 @@ function install_react_native_cli() {
 }
 
 function install_yarn() {
-  local expected_version="1.12.3"
+  local expected_version='1.13.0'
   if ! program_exists "yarn"; then
-    npm install -g yarn@$expected_version # Install the latest yarn
+    npm install -g yarn@$expected_version # Install the expected yarn version
   else
     cecho "+ yarn already installed... skipping."
   fi
@@ -222,6 +222,7 @@ function install_yarn() {
     local yarn_version=$(yarn -v)
     if [[ $yarn_version != "$expected_version" ]]; then
       cecho "@b@red[[+ yarn version $yarn_version is installed. yarn version $expected_version is recommended.]]"
+      exit 1
     fi
   fi
 }

scripts/run-environment-check.sh

@@ -7,7 +7,7 @@ NC='\033[0m'
 PLATFORM=""
 
 EXPECTED_NODE_VERSION="v10.14.0" # note the 'v' in front, that is how node does versioning
-EXPECTED_YARN_VERSION="1.12.3" # note the lack of 'v' in front. inconsistent. :(
+EXPECTED_YARN_VERSION="1.13.0" # note the lack of 'v' in front. inconsistent. :(
 
 function program_exists() {
   local program=$1