source rvm

.azuredevops/main.yml

@@ -199,8 +199,8 @@ stages:
           #     versionSpec: '< 2.8'
           - bash: gpg --keyserver keyserver.ubuntu.com --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3 7D2BAF1CF37B13E2069D6956105BD0E739499BDB
           - bash: curl -sSL https://get.rvm.io | bash -s stable
-          - bash: rvm install 2.7.4
-          - bash: rvm use 2.7.4
+          - bash: source /Users/runner/.rvm/scripts/rvm && rvm install 2.7.4
+          - bash: source /Users/runner/.rvm/scripts/rvm && rvm use 2.7.4
           
           - bash: gem install bundler cocoapods