Dedup checkExecEnv logic.

Author: headius

core/src/main/java/org/jruby/RubyIO.java

@@ -4476,29 +4476,7 @@ private static void checkValidOptions(IRubyObject options, Set<String> valid) {
 
     // MRI: check_exec_env, w/ check_exec_env_i body in-line
     public static RubyArray checkExecEnv(ThreadContext context, RubyHash hash) {
-        Ruby runtime = context.runtime;
-        RubyArray env = runtime.newArray();
-        for (Map.Entry<IRubyObject, IRubyObject> entry : (Set<Map.Entry<IRubyObject, IRubyObject>>)hash.directEntrySet()) {
-            IRubyObject key = entry.getKey();
-            IRubyObject val = entry.getValue();
-            ByteList k;
-
-            k = StringSupport.checkEmbeddedNulls(runtime, key).getByteList();
-            if (k.indexOf('=') != -1)
-                throw runtime.newArgumentError("environment name contains a equal : " + k);
-
-            if (!val.isNil())
-                StringSupport.checkEmbeddedNulls(runtime, val);
-
-            if (Platform.IS_WINDOWS) {
-                key = ((RubyString)key).export(context);
-            }
-            if (!val.isNil()) val = ((RubyString)val).export(context);
-
-            env.push(runtime.newArray(key, val));
-        }
-
-        return env;
+        return PopenExecutor.checkExecEnv(context, hash);
     }
 
     /**

core/src/main/java/org/jruby/util/io/PopenExecutor.java

@@ -23,7 +23,6 @@
 import org.jruby.runtime.ThreadContext;
 import org.jruby.runtime.builtin.IRubyObject;
 import org.jruby.util.ByteList;
-import org.jruby.util.SafePropertyAccessor;
 import org.jruby.util.ShellLauncher;
 import org.jruby.util.StringSupport;
 import org.jruby.util.TypeConverter;
@@ -314,10 +313,11 @@ public static IRubyObject popen(ThreadContext context, IRubyObject[] argv, RubyC
     }
 
     static void execargSetenv(ThreadContext context, Ruby runtime, ExecArg eargp, IRubyObject env) {
-        eargp.env_modification = !env.isNil() ? checkExecEnv(context, runtime, (RubyHash)env) : null;
+        eargp.env_modification = !env.isNil() ? checkExecEnv(context, (RubyHash)env) : null;
     }
 
-    static RubyArray checkExecEnv(ThreadContext context, Ruby runtime, RubyHash hash) {
+    public static RubyArray checkExecEnv(ThreadContext context, RubyHash hash) {
+        Ruby runtime = context.runtime;
         RubyArray env;
 
         env = runtime.newArray();
@@ -1769,7 +1769,7 @@ private static void execFillarg(ThreadContext context, RubyString prog, IRubyObj
         }
 
         if (!env.isNil()) {
-            eargp.env_modification = RubyIO.checkExecEnv(context, (RubyHash)env);
+            eargp.env_modification = checkExecEnv(context, (RubyHash) env);
         }
 
         prog = prog.export(context);