make-snapshot: use srcdir

* tool/make-snapshot: use srcdir as checked out working directory.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48841 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

common.mk

@@ -895,7 +895,7 @@ gdb-ruby: $(PROGRAM) run.gdb PHONY
 	$(Q) $(RUNRUBY_COMMAND) $(RUNRUBY_DEBUGGER) -- $(TESTRUN_SCRIPT)
 
 dist:
-	$(BASERUBY) $(srcdir)/tool/make-snapshot tmp $(RELNAME)
+	$(BASERUBY) $(srcdir)/tool/make-snapshot -srcdir=$(srcdir) tmp $(RELNAME)
 
 up::
 	-$(Q)$(MAKE) $(MFLAGS) REVISION_FORCE=PHONY "$(REVISION_H)"

tool/make-snapshot

@@ -8,6 +8,7 @@ require 'tmpdir'
 require File.expand_path("../vcs", __FILE__)
 STDOUT.sync = true
 
+$srcdir ||= nil
 $exported = nil if ($exported ||= nil) == ""
 $archname = nil if ($archname ||= nil) == ""
 $keep_temp ||= nil
@@ -20,6 +21,7 @@ def usage
   <<USAGE
 usage: #{File.basename $0} [option...] new-directory-to-save [version ...]
 options:
+  -srcdir=PATH          source directory path
   -exported=PATH        make snapshot from already exported working directory
   -archname=NAME        make the basename of snapshots NAME
   -keep_temp            keep temporary working directory
@@ -341,7 +343,7 @@ ensure
   FileUtils.rm_rf(v) if v and !$exported and !$keep_temp
 end
 
-vcs = VCS::SVN.new(SVNURL)
+vcs = (VCS.detect($srcdir) rescue nil if $srcdir) || VCS::SVN.new(SVNURL)
 
 success = true
 revisions.collect {|rev| package(vcs, rev, destdir, tmp)}.flatten.each do |name|