From 9fd859b860f376e3a120e7a51dee7e69cd587c77 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 13 May 2014 15:47:36 +0000
Subject: make-snapshot: -digests option

* tool/make-snapshot (package): add -digests option to select
  digest algorithms to be shown.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45938 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 tool/make-snapshot | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/tool/make-snapshot b/tool/make-snapshot
index 99f80de560..f154ac435a 100755
--- a/tool/make-snapshot
+++ b/tool/make-snapshot
@@ -22,6 +22,7 @@ options:
   -keep_temp            keep temporary working directory
   -patch_file=PATCH     apply PATCH file after export
   -packages=PKG[,...]   make PKG packages (#{PACKAGES.keys.join(", ")})
+  -digests=ALG[,...]    show ALG digests (#{DIGESTS.join(", ")})
 version:
   trunk, stable, branches/*, tags/*, X.Y.Z, X.Y.Z-pL
 each versions may be followed by optional @revision.
@@ -74,6 +75,12 @@ $packages &&= $packages.split(/[, ]+/).tap {|pkg|
 }
 $packages ||= PACKAGES.keys
 
+$digests &&= $digests.split(/[, ]+/).tap {|dig|
+  dig -= DIGESTS
+  dig.empty? or abort "#{File.basename $0}: unknown digests - #{dig.join(", ")}"
+}
+$digests ||= DIGESTS
+
 $patch_file &&= File.expand_path($patch_file)
 path = ENV["PATH"].split(File::PATH_SEPARATOR)
 %w[YACC BASERUBY RUBY MV MINIRUBY].each do |var|
@@ -332,7 +339,7 @@ revisions.collect {|rev| package(rev, destdir)}.flatten.each do |name|
   str = open(name, "rb") {|f| f.read}
   puts "* #{name}"
   puts "  SIZE:   #{str.bytesize} bytes"
-  DIGESTS.each do |alg|
+  $digests.each do |alg|
     printf "  %-8s%s\n", "#{alg}:", Digest.const_get(alg).hexdigest(str)
   end
 end
-- 
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