file2lastrev.rb: all ARGV

* tool/file2lastrev.rb: output for each arguments.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50612 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

tool/file2lastrev.rb

@@ -40,38 +40,53 @@ parser = OptionParser.new {|opts|
 }
 parser.parse! rescue abort "#{File.basename(Program)}: #{$!}\n#{parser}"
 
+@output =
+  case @output
+  when :changed, nil
+    proc {|last, changed|
+      changed
+    }
+  when :revision_h
+    proc {|last, changed, modified, branch, title|
+      [
+        "#define RUBY_REVISION #{changed || 0}",
+        if branch
+          e = '..'
+          limit = 16
+          name = branch.sub(/\A(.{#{limit-e.size}}).{#{e.size+1},}/o) {$1+e}
+          "#define RUBY_BRANCH_NAME #{name.dump}"
+        end,
+        if title
+          "#define RUBY_LAST_COMMIT_TITLE #{title.dump}"
+        end,
+      ].compact
+    }
+  when :doxygen
+    proc {|last, changed|
+      "r#{changed}/r#{last}"
+    }
+  when :modified
+    proc {|last, changed, modified|
+      modified.strftime('%Y-%m-%dT%H:%M:%S%z')
+    }
+  else
+    raise "unknown output format `#{@output}'"
+  end
+
 srcdir ||= File.dirname(File.dirname(Program))
 begin
   vcs = VCS.detect(srcdir)
 rescue VCS::NotFoundError => e
   abort "#{File.basename(Program)}: #{e.message}" unless @suppress_not_found
 else
-  begin
-    last, changed, modified, branch, title = vcs.get_revisions(ARGV.shift)
-  rescue => e
-    abort "#{File.basename(Program)}: #{e.message}" unless @suppress_not_found
-    exit false
+  ok = true
+  (ARGV.empty? ? [nil] : ARGV).each do |arg|
+    begin
+      puts @output[*vcs.get_revisions(arg)]
+    rescue => e
+      warn "#{File.basename(Program)}: #{e.message}" unless @suppress_not_found
+      ok = false
+    end
   end
-end
-
-case @output
-when :changed, nil
-  puts changed
-when :revision_h
-  puts "#define RUBY_REVISION #{changed || 0}"
-  if branch
-    e = '..'
-    limit = 16
-    name = branch.sub(/\A(.{#{limit-e.size}}).{#{e.size+1},}/o) {$1+e}
-    puts "#define RUBY_BRANCH_NAME #{name.dump}"
-  end
-  if title
-    puts "#define RUBY_LAST_COMMIT_TITLE #{title.dump}"
-  end
-when :doxygen
-  puts "r#{changed}/r#{last}"
-when :modified
-  puts modified.strftime('%Y-%m-%dT%H:%M:%S%z')
-else
-  raise "unknown output format `#{@output}'"
+  exit ok
 end