fix: recursive expansion

motdotla · Feb 15, 2024 · 5dcc08c · 5dcc08c
1 parent 7231e81
commit 5dcc08c
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Showing 2 changed files with 537 additions and 519 deletions.
diff --git a/lib/main.js b/lib/main.js
@@ -26,7 +26,12 @@ function interpolate (value, processEnv, parsed) {
       }
 
       if (parsed[key]) {
-        return parsed[key]
+        // avoid recursion from EXPAND_SELF=$EXPAND_SELF
+        if (parsed[key] === value) {
+          return parsed[key]
+        } else {
+          return interpolate(parsed[key], processEnv, parsed)
+        }
       }
 
       if (defaultValue) {