Use array mode of system instead of shellescape

`&.` is not available in ruby 2.0.
2019-04-30 22:23:20 +09:00 · 2019-04-30 22:23:20 +09:00 · 50872f4a15
commit 50872f4a15
parent df3de40932
1 changed files with 3 additions and 2 deletions
--- a/tool/merger.rb
+++ b/tool/merger.rb
@ -196,10 +196,11 @@ class << Merger

  def diff(file = nil)
    if svn_mode?
-      `svn diff --diff-cmd=diff -x -upw #{file&.shellescape}`
+      command = %w[svn diff --diff-cmd=diff -x -upw]
    else
-      `git diff --color #{file&.shellescape}`
+      command = %w[git diff --color]
    end
+    IO.popen(command + [file], &:read)
  end

  def commit(file)