From f7f00b89e61ed87b3a61870a59c948d9d98287ed Mon Sep 17 00:00:00 2001
From: naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 6 Nov 2016 12:57:45 +0000
Subject: * tool/vcs.rb (export_changelog): generate ChangeLog file from  
 vcs's log. [Feature #12283]

* tool/make-snapshot (package): overwrite ChangeLog by generated
  ChangeLog.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56638 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 tool/make-snapshot | 12 ++++++++++++
 tool/vcs.rb        | 20 ++++++++++++++++++++
 2 files changed, 32 insertions(+)

(limited to 'tool')

diff --git a/tool/make-snapshot b/tool/make-snapshot
index e96deb003c..788c2b9a0a 100755
--- a/tool/make-snapshot
+++ b/tool/make-snapshot
@@ -205,6 +205,7 @@ def package(vcs, rev, destdir, tmp = nil)
     end
   end
 
+  srcdir = File.realpath($srcdir)
   Dir.chdir(tmp) if tmp
 
   if !File.directory?(v)
@@ -212,6 +213,17 @@ def package(vcs, rev, destdir, tmp = nil)
     v.size == 1 or abort "not exported"
     v = v[0]
   end
+
+  # get last revision from previous ChangeLog archive
+  last_ChangeLog = Dir["#{v}/doc/ChangeLog-*"].grep(/-\d+\z/).last
+  open(last_ChangeLog) do |f|
+    f.readline
+    unless /\Ar(\d+) / =~ f.readline
+      abort "Cannot find revision from '#{last_ChangeLog}'"
+    end
+    vcs.export_changelog(srcdir, url, $1.to_i+1, revision.to_i, "#{v}/ChangeLog")
+  end
+
   open("#{v}/revision.h", "wb") {|f| f.puts "#define RUBY_REVISION #{revision}"}
   version ||= (versionhdr = IO.read("#{v}/version.h"))[RUBY_VERSION_PATTERN, 1]
   version or return
diff --git a/tool/vcs.rb b/tool/vcs.rb
index 93d642efec..173c306e3c 100644
--- a/tool/vcs.rb
+++ b/tool/vcs.rb
@@ -280,6 +280,16 @@ class VCS
     def after_export(dir)
       FileUtils.rm_rf(dir+"/.svn")
     end
+
+    def export_changelog(srcdir, url, from, to, path)
+      IO.popen({'TZ' => 'JST-9'}, "svn log -r#{to}:#{from} #{url}") do |r|
+        open(path, 'w') do |w|
+          IO.copy_stream(r, w)
+        end
+      end
+      sleep 10
+      exit
+    end
   end
 
   class GIT < self
@@ -355,5 +365,15 @@ class VCS
     def after_export(dir)
       FileUtils.rm_rf("#{dir}/.git")
     end
+
+    def export_changelog(srcdir, url, from, to, path)
+      from = `git -C #{srcdir} log -n1 --format=format:%H --grep='^ *git-svn-id: .*@#{from} '`
+      to = `git -C #{srcdir} log -n1 --format=format:%H --grep='^ *git-svn-id: .*@#{to} '`
+      IO.popen({'TZ' => 'JST-9'}, "git -C #{srcdir} log --date=iso-local --topo-order #{from}..#{to}") do |r|
+        open(path, 'w') do |w|
+          IO.copy_stream(r, w)
+        end
+      end
+    end
   end
 end
-- 
cgit v1.2.3