From 9b576cd6255aba97e5e2f55f4b09f00c7dd0e839 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Thu, 14 Aug 2025 09:10:12 +0900
Subject: [PATCH] Extract `ruby_api_version_name`

---
 depend                        |  2 --
 ruby.c                        |  9 +++++----
 test/ruby/test_rubyoptions.rb | 19 ++++++++++---------
 version.c                     |  9 ++++++++-
 4 files changed, 23 insertions(+), 16 deletions(-)

diff --git a/depend b/depend
index 735afd8cc9..ea2486e9e8 100644
--- a/depend
+++ b/depend
@@ -14598,7 +14598,6 @@ ruby.$(OBJEXT): $(top_srcdir)/prism/util/pm_newline_list.h
 ruby.$(OBJEXT): $(top_srcdir)/prism/util/pm_string.h
 ruby.$(OBJEXT): $(top_srcdir)/prism/util/pm_strncasecmp.h
 ruby.$(OBJEXT): $(top_srcdir)/prism/util/pm_strpbrk.h
-ruby.$(OBJEXT): $(top_srcdir)/version.h
 ruby.$(OBJEXT): {$(VPATH)}assert.h
 ruby.$(OBJEXT): {$(VPATH)}atomic.h
 ruby.$(OBJEXT): {$(VPATH)}backward/2/assume.h
@@ -14782,7 +14781,6 @@ ruby.$(OBJEXT): {$(VPATH)}prism/ast.h
 ruby.$(OBJEXT): {$(VPATH)}prism/diagnostic.h
 ruby.$(OBJEXT): {$(VPATH)}prism/version.h
 ruby.$(OBJEXT): {$(VPATH)}prism_compile.h
-ruby.$(OBJEXT): {$(VPATH)}revision.h
 ruby.$(OBJEXT): {$(VPATH)}ruby.c
 ruby.$(OBJEXT): {$(VPATH)}ruby_assert.h
 ruby.$(OBJEXT): {$(VPATH)}ruby_atomic.h
diff --git a/ruby.c b/ruby.c
index 134ac5ae3b..f400a3d531 100644
--- a/ruby.c
+++ b/ruby.c
@@ -61,7 +61,6 @@
 #include "ruby/util.h"
 #include "ruby/version.h"
 #include "ruby/internal/error.h"
-#include "version.h"
 
 #define singlebit_only_p(x) !((x) & ((x)-1))
 STATIC_ASSERT(Qnil_1bit_from_Qfalse, singlebit_only_p(Qnil^Qfalse));
@@ -302,6 +301,8 @@ ruby_show_usage_line(const char *name, const char *secondary, const char *descri
                     description, help, highlight, width, columns);
 }
 
+RUBY_EXTERN const char ruby_api_version_name[];
+
 static void
 usage(const char *name, int help, int highlight, int columns)
 {
@@ -404,9 +405,9 @@ usage(const char *name, int help, int highlight, int columns)
     unsigned int w = (columns > 80 ? (columns - 79) / 2 : 0) + 16;
 #define SHOW(m) show_usage_line(&(m), help, highlight, w, columns)
 
-    printf("%sUsage:%s %s [options] [--] [filepath] [arguments]\n\n", sb, se, name);
-    printf("Details and examples at https://docs.ruby-lang.org/en/%s/ruby/options_md.html\n",
-           RUBY_PATCHLEVEL == -1 ? "master" : STRINGIZE(RUBY_VERSION_MAJOR) "." STRINGIZE(RUBY_VERSION_MINOR));
+    printf("%sUsage:%s %s [options] [--] [filepath] [arguments]\n", sb, se, name);
+    printf("\n""Details and examples at https://docs.ruby-lang.org/en/%s/ruby/options_md.html\n",
+           ruby_api_version_name);
 
     for (i = 0; i < num; ++i)
         SHOW(usage_msg[i]);
diff --git a/test/ruby/test_rubyoptions.rb b/test/ruby/test_rubyoptions.rb
index 4144191ec7..fe6ffde07c 100644
--- a/test/ruby/test_rubyoptions.rb
+++ b/test/ruby/test_rubyoptions.rb
@@ -47,26 +47,27 @@ class TestRubyOptions < Test::Unit::TestCase
     assert_in_out_err([], "", [], [])
   end
 
+  version = RUBY_PATCHLEVEL == -1 ? "master" : "#{RUBY_VERSION_MAJOR}.#{RUBY_VERSION_MINOR}"
+  OPTIONS_LINK = "https://docs.ruby-lang.org/en/#{version}/ruby/options_md.html"
+
   def test_usage
     assert_in_out_err(%w(-h)) do |r, e|
-      assert_operator(r.size, :<=, 26)
-      longer = r[3..-1].select {|x| x.size >= 80}
+      _, _, link, *r = r
+      assert_include(link, OPTIONS_LINK)
+      assert_operator(r.size, :<=, 24)
+      longer = r.select {|x| x.size >= 80}
       assert_equal([], longer)
       assert_equal([], e)
-
-      version = RUBY_PATCHLEVEL == -1 ? "master" : "#{RUBY_VERSION_MAJOR}.#{RUBY_VERSION_MINOR}"
-      assert_include(r, "Details and examples at https://docs.ruby-lang.org/en/#{version}/ruby/options_md.html")
     end
   end
 
   def test_usage_long
     assert_in_out_err(%w(--help)) do |r, e|
-      longer = r[3..-1].select {|x| x.size > 80}
+      _, _, link, *r = r
+      assert_include(link, OPTIONS_LINK)
+      longer = r.select {|x| x.size > 80}
       assert_equal([], longer)
       assert_equal([], e)
-
-      version = RUBY_PATCHLEVEL == -1 ? "master" : "#{RUBY_VERSION_MAJOR}.#{RUBY_VERSION_MINOR}"
-      assert_include(r, "Details and examples at https://docs.ruby-lang.org/en/#{version}/ruby/options_md.html")
     end
   end
 
diff --git a/version.c b/version.c
index bb6c15fb7a..243f00b38c 100644
--- a/version.c
+++ b/version.c
@@ -24,11 +24,13 @@
 
 #ifdef RUBY_REVISION
 # if RUBY_PATCHLEVEL == -1
+#  define RUBY_API_VERSION_NAME "master"
 #  ifndef RUBY_BRANCH_NAME
-#   define RUBY_BRANCH_NAME "master"
+#   define RUBY_BRANCH_NAME RUBY_API_VERSION_NAME
 #  endif
 #  define RUBY_REVISION_STR " "RUBY_BRANCH_NAME" "RUBY_REVISION
 # else
+#  define RUBY_API_VERSION_NAME RUBY_API_VERSION_STR
 #  define RUBY_REVISION_STR " revision "RUBY_REVISION
 # endif
 #else
@@ -44,6 +46,10 @@
 #define MKSTR(type) rb_obj_freeze(rb_usascii_str_new_static(ruby_##type, sizeof(ruby_##type)-1))
 #define MKINT(name) INT2FIX(ruby_##name)
 
+#define RUBY_API_VERSION_STR \
+    STRINGIZE(RUBY_API_VERSION_MAJOR) "." \
+    STRINGIZE(RUBY_API_VERSION_MINOR) "." \
+    ""
 const int ruby_api_version[] = {
     RUBY_API_VERSION_MAJOR,
     RUBY_API_VERSION_MINOR,
@@ -81,6 +87,7 @@ const char ruby_revision[] = RUBY_FULL_REVISION;
 const char ruby_release_date[] = RUBY_RELEASE_DATE;
 const char ruby_platform[] = RUBY_PLATFORM;
 const int ruby_patchlevel = RUBY_PATCHLEVEL;
+const char ruby_api_version_name[] = RUBY_API_VERSION_NAME;
 const char ruby_description[] =
     "ruby " RUBY_VERSION RUBY_PATCHLEVEL_STR " "
     "(" RUBY_RELEASE_DATETIME RUBY_REVISION_STR ") "