make-snapshot: make revision.h by make

* tool/make-snapshot (package): keep VCS management files until
  prerequisites build, so that revision.h can be made by make.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49357 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

tool/make-snapshot

@@ -183,7 +183,7 @@ def package(vcs, rev, destdir, tmp = nil)
     v = "ruby"
     puts "Exporting #{rev}@#{revision}"
     exported = tmp ? File.join(tmp, v) : v
-    unless vcs.export(revision, url, exported) {|line| print line}
+    unless vcs.export(revision, url, exported, true) {|line| print line}
       warn("Export failed")
       return
     end
@@ -209,7 +209,6 @@ def package(vcs, rev, destdir, tmp = nil)
     v = v[0]
   end
   open("#{v}/revision.h", "wb") {|f| f.puts "#define RUBY_REVISION #{revision}"}
-  open("#{v}/.revision.time", "wb") {}
   version ||= (versionhdr = IO.read("#{v}/version.h"))[RUBY_VERSION_PATTERN, 1]
   version or return
   if patchlevel
@@ -310,6 +309,7 @@ def package(vcs, rev, destdir, tmp = nil)
     else
       system(*%W"#{YACC} -o parse.c parse.y")
     end
+    vcs.after_export(".") if exported
     FileUtils.rm_rf(clean)
     unless $?.success?
       puts " failed"

tool/vcs.rb

@@ -128,6 +128,9 @@ class VCS
     else
       '.'
     end
+
+    def after_export(dir)
+    end
   end
 
   class SVN < self
@@ -212,7 +215,7 @@ class VCS
       end
     end
 
-    def export(revision, url, dir)
+    def export(revision, url, dir, keep_temp = false)
       if @srcdir and (rootdir = wcroot)
         srcdir = File.realpath(@srcdir)
         rootdir << "/"
@@ -222,7 +225,7 @@ class VCS
           FileUtils.mkdir_p(svndir = dir+"/.svn")
           FileUtils.ln_s(Dir.glob(rootdir+"/.svn/*"), svndir)
           system("svn", "-q", "revert", "-R", subdir || ".", :chdir => dir) or return false
-          FileUtils.rm_rf(svndir)
+          FileUtils.rm_rf(svndir) unless keep_temp
           if subdir
             tmpdir = Dir.mktmpdir("tmp-co.", "#{dir}/#{subdir}")
             File.rename(tmpdir, tmpdir = "#{dir}/#{File.basename(tmpdir)}")
@@ -241,6 +244,10 @@ class VCS
       end
       $?.success?
     end
+
+    def after_export(dir)
+      FileUtils.rm_rf(dir+"/.svn")
+    end
   end
 
   class GIT < self
@@ -308,10 +315,14 @@ class VCS
       end
     end
 
-    def export(revision, url, dir)
+    def export(revision, url, dir, keep_temp = false)
       ret = system("git", "clone", "-s", (@srcdir || '.'), "-b", url, dir)
-      FileUtils.rm_rf("#{dir}/.git") if ret
+      FileUtils.rm_rf("#{dir}/.git") if ret and !keep_temp
       ret
     end
+
+    def after_export(dir)
+      FileUtils.rm_rf("#{dir}/.git")
+    end
   end
 end