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Add comment explaining why the environment variable should be normalized

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Arthur Baars 2020-06-17 19:37:01 +02:00
parent 81bfa641b0
commit 655cb05195
2 changed files with 4 additions and 0 deletions
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dist/index.js vendored
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src/installer.ts
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@ -87,6 +87,10 @@ export async function getJava(
} }
let extendedJavaHome = 'JAVA_HOME_' + version + '_' + arch; let extendedJavaHome = 'JAVA_HOME_' + version + '_' + arch;
// For portability reasons environment variables should only consist of
// uppercase letters, digits, and the underscore. Therefore we convert
// the extendedJavaHome variable to upper case and replace '.' symbols and
// any other non-alphanumeric characters with an underscore.
extendedJavaHome = extendedJavaHome.toUpperCase().replace(/[^0-9A-Z_]/g, '_'); extendedJavaHome = extendedJavaHome.toUpperCase().replace(/[^0-9A-Z_]/g, '_');
core.exportVariable('JAVA_HOME', toolPath); core.exportVariable('JAVA_HOME', toolPath);
core.exportVariable(extendedJavaHome, toolPath); core.exportVariable(extendedJavaHome, toolPath);