Merge pull request #5108 from mimaki/display_preview_version

Add `preview` to version.

include/mruby/version.h

@@ -49,6 +49,24 @@ MRB_BEGIN_DECL
  */
 #define MRUBY_RELEASE_TEENY 0
 
+/*
+ * Patch level.
+ */
+#define MRUBY_PATCHLEVEL -1
+
+/*
+ * Patch level string. (optional)
+ */
+#define MRUBY_PATCHLEVEL_STR "preview"
+
+#ifndef MRUBY_PATCHLEVEL_STR
+# if MRUBY_PATCHLEVEL < 0
+#   define MRUBY_PATCHLEVEL_STR "dev"
+# else
+#   define MRUBY_PATCHLEVEL_STR "p"MRB_STRINGIZE(MRUBY_PATCHLEVEL)
+# endif
+#endif
+
 /*
  * The mruby version.
  */
@@ -108,6 +126,7 @@ MRB_BEGIN_DECL
  */
 #define MRUBY_DESCRIPTION     \
   "mruby " MRUBY_VERSION      \
+  MRUBY_PATCHLEVEL_STR        \
   " (" MRUBY_RELEASE_DATE ")" \
 
 /*

mrbgems/mruby-bin-mruby/bintest/mruby.rb

@@ -129,7 +129,7 @@ assert('mruby -r option (file not found)') do
 end
 
 assert('mruby -v option') do
-  ver_re = '\Amruby \d+\.\d+\.\d+ \(\d+-\d+-\d+\)\n'
+  ver_re = '\Amruby \d+\.\d+\.\d+.* \(\d+-\d+-\d+\)\n'
   assert_mruby(/#{ver_re}\z/, "", true, %w[-v])
   assert_mruby(/#{ver_re}^[^\n]*NODE.*\n:end\n\z/m, "", true, %w[-v -e p(:end)])
 end