Added a function that gets a sentry release from env dynamically if release is not provided on init

Author: ahmedetefy

packages/node/src/sdk.ts

@@ -93,15 +93,7 @@ export function init(options: NodeOptions = {}): void {
   }
 
   if (options.release === undefined) {
-    const global = getGlobalObject<Window>();
-    // Prefer env var over global
-    if (process.env.SENTRY_RELEASE) {
-      options.release = process.env.SENTRY_RELEASE;
-    }
-    // This supports the variable that sentry-webpack-plugin injects
-    else if (global.SENTRY_RELEASE && global.SENTRY_RELEASE.id) {
-      options.release = global.SENTRY_RELEASE.id;
-    }
+    options.release = getSentryRelease();
   }
 
   if (options.environment === undefined && process.env.SENTRY_ENVIRONMENT) {
@@ -152,3 +144,34 @@ export async function close(timeout?: number): Promise<boolean> {
   }
   return Promise.reject(false);
 }
+
+/**
+ * A function that returns a Sentry release string dynamically, if a release string is not passed
+ */
+export function getSentryRelease(): string {
+  // Fetches the variable that sentry-webpack-plugin injects
+  const global = getGlobalObject<Window>();
+  let globalSentryRelease = undefined;
+  if (global.SENTRY_RELEASE && global.SENTRY_RELEASE.id) {
+    globalSentryRelease = global.SENTRY_RELEASE.id;
+  }
+
+  const sentryRelease = JSON.stringify(
+    // Always read first as Sentry takes this as precedence
+    process.env.SENTRY_RELEASE ||
+      // This supports the variable that sentry-webpack-plugin injects
+      globalSentryRelease ||
+      // GitHub Actions - https://help.github.com/en/actions/configuring-and-managing-workflows/using-environment-variables#default-environment-variables
+      process.env.GITHUB_SHA ||
+      // Netlify - https://docs.netlify.com/configure-builds/environment-variables/#build-metadata
+      process.env.COMMIT_REF ||
+      // Vercel - https://vercel.com/docs/v2/build-step#system-environment-variables
+      process.env.VERCEL_GIT_COMMIT_SHA ||
+      // Zeit (now known as Vercel)
+      process.env.ZEIT_GITHUB_COMMIT_SHA ||
+      process.env.ZEIT_GITLAB_COMMIT_SHA ||
+      process.env.ZEIT_BITBUCKET_COMMIT_SHA ||
+      '',
+  );
+  return sentryRelease;
+}