Created
April 15, 2020 17:05
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Get ChromeDriver version
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| # Get the currently installed version of Chrome | |
| # Works in Codebuild Ubuntu image; may need to use `chrome` instead of `google-chrome` elsewhere | |
| CHROME_VERSION=$(google-chrome --version | awk -F '[ .]' '{print $3"."$4"."$5}') | |
| # Get the compatible version of ChromeDriver based on the Chrome version | |
| # See https://chromedriver.chromium.org/downloads/version-selection for more info on how this works | |
| CHROME_DRIVER_VERSION=$(wget -qO- chromedriver.storage.googleapis.com/LATEST_RELEASE_$CHROME_VERSION) | |
| # With these environment variables, things like webdriver-manager can be called to update with a specific version: | |
| # webdriver-manager update --gecko false --versions.chrome $CHROME_DRIVER_VERSION |
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Because AWS Codebuild images bake in their own version of Chrome ("latest" as of the last release of the image, which you have no way of knowing or controlling), getting a compatible ChromeDriver version can be difficult. If you pin your version of ChromeDriver, Chrome may update. If you don't pin, ChromeDriver may update and be incompatible with the installed version of Chrome. This script can be used to get the installed version of Chrome, get ChromeDriver's compatible version, and then use that to tell WebDriver Manager which version you want to use.