merge revision(s) 54785: [Backport #11900]

	* ruby.c (process_options): convert -e script to the encoding
	  given by a command line option on Windows.  assume it is the
	  expected encoding.  [ruby-dev:49461] [Bug #11900]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@58111 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 19 insertions, 2 deletions

diff --git a/ruby.c b/ruby.c
index bf7827c316..ae2f86fadc 100644
--- a/ruby.c
+++ b/ruby.c
@@ -1285,6 +1285,9 @@ process_options(int argc, char **argv, struct cmdline_options *opt)
     VALUE parser;
     VALUE iseq;
     rb_encoding *enc, *lenc;
+#if UTF8_PATH
+    rb_encoding *uenc, *ienc = 0;
+#endif
     const char *s;
     char fbuf[MAXPATHLEN];
     int i = (int)proc_options(argc, argv, opt, 0);
@@ -1395,6 +1398,9 @@ process_options(int argc, char **argv, struct cmdline_options *opt)
 	enc = rb_enc_from_index(opt->intern.enc.index);
 	rb_enc_set_default_internal(rb_enc_from_encoding(enc));
 	opt->intern.enc.index = -1;
+#if UTF8_PATH
+	ienc = enc;
+#endif
     }
     rb_enc_associate(opt->script_name, lenc);
     rb_obj_freeze(opt->script_name);
@@ -1413,8 +1419,11 @@ process_options(int argc, char **argv, struct cmdline_options *opt)
     }
     ruby_init_prelude();
 #if UTF8_PATH
-    opt->script_name = str_conv_enc(opt->script_name, rb_utf8_encoding(), lenc);
-    opt->script = RSTRING_PTR(opt->script_name);
+    uenc = rb_utf8_encoding();
+    if (uenc != lenc) {
+	opt->script_name = str_conv_enc(opt->script_name, uenc, lenc);
+	opt->script = RSTRING_PTR(opt->script_name);
+    }
 #endif
     ruby_set_argv(argc, argv);
     process_sflag(&opt->sflag);
@@ -1438,7 +1447,15 @@ process_options(int argc, char **argv, struct cmdline_options *opt)
 	}
 	else {
 	    eenc = lenc;
+#if UTF8_PATH
+	    if (ienc) eenc = ienc;
+#endif
 	}
+#if UTF8_PATH
+	if (eenc != uenc) {
+	    opt->e_script = str_conv_enc(opt->e_script, uenc, eenc);
+	}
+#endif
 	rb_enc_associate(opt->e_script, eenc);
 	if (!(opt->dump & ~DUMP_BIT(version_v))) {
 	    ruby_set_script_name(opt->script_name);