Make RUBY_REVISION full length

tool/file2lastrev.rb

@@ -45,6 +45,7 @@ parser = OptionParser.new {|opts|
 }
 parser.parse! rescue abort "#{File.basename(Program)}: #{$!}\n#{parser}"
 
+vcs = nil
 @output =
   case @output
   when :changed, nil
@@ -54,7 +55,8 @@ parser.parse! rescue abort "#{File.basename(Program)}: #{$!}\n#{parser}"
   when :revision_h
     Proc.new {|last, changed, modified, branch, title|
       [
-        "#define RUBY_REVISION #{last.dump}",
+        "#define RUBY_REVISION #{vcs.short_revision(last).dump}",
+        "#define RUBY_FULL_REVISION #{last.dump}",
         if branch
           e = '..'
           limit = 16

tool/vcs.rb

@@ -224,6 +224,10 @@ class VCS
     self.class.revision_name(rev)
   end
 
+  def short_revision(rev)
+    self.class.short_revision(rev)
+  end
+
   class SVN < self
     register(".svn")
     COMMAND = ENV['SVN'] || 'svn'
@@ -232,6 +236,10 @@ class VCS
       "r#{rev}"
     end
 
+    def self.short_revision(rev)
+      rev
+    end
+
     def self.get_revisions(path, srcdir = nil)
       if srcdir and local_path?(path)
         path = File.join(srcdir, path)
@@ -392,10 +400,9 @@ class VCS
 
     def self.get_revisions(path, srcdir = nil)
       gitcmd = [COMMAND]
-      last = cmd_read_at(srcdir, [[*gitcmd, 'rev-parse', '--short=10', 'HEAD']]).rstrip
+      last = cmd_read_at(srcdir, [[*gitcmd, 'rev-parse', 'HEAD']]).rstrip
       log = cmd_read_at(srcdir, [[*gitcmd, 'log', '-n1', '--date=iso', *path]])
       changed = log[/\Acommit (\h+)/, 1]
-      changed = changed[0, last.size]
       modified = log[/^Date:\s+(.*)/, 1]
       branch = cmd_read_at(srcdir, [gitcmd + %W[symbolic-ref --short HEAD]])
       if branch.empty?
@@ -413,7 +420,11 @@ class VCS
     end
 
     def self.revision_name(rev)
-      rev
+      short_revision(rev)
+    end
+
+    def self.short_revision(rev)
+      rev[0, 10]
     end
 
     def initialize(*)
@@ -533,6 +544,10 @@ class VCS
       SVN.revision_name(rev)
     end
 
+    def self.short_revision(rev)
+      SVN.short_revision(rev)
+    end
+
     def format_changelog(r, path)
       open(path, 'w') do |w|
         sep = "-"*72

version.c

@@ -33,7 +33,7 @@ const int ruby_api_version[] = {
     STRINGIZE(RUBY_VERSION_MINOR) "." \
     STRINGIZE(RUBY_VERSION_TEENY) ""
 const char ruby_version[] = RUBY_VERSION;
-const char ruby_revision[] = RUBY_REVISION;
+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;