Check for the availability of the command when detecting

Merged: https://github.com/ruby/ruby/pull/6473
2022-09-30 10:17:46 +09:00 · 2022-09-30 10:17:46 +09:00 · f70ba9cf80 · 2022-09-30 12:49:35 +09:00
commit f70ba9cf80
parent 58b3a535cc
1 changed files with 3 additions and 0 deletions
--- a/tool/lib/vcs.rb
+++ b/tool/lib/vcs.rb
@ -69,6 +69,9 @@ class VCS
    begin
      @@dirs.each do |dir, klass, pred|
        if pred ? pred[curr, dir] : File.directory?(File.join(curr, dir))
+          if klass.const_defined?(:COMMAND)
+            IO.pread([{'LANG' => 'C', 'LC_ALL' => 'C'}, klass::COMMAND, "--version"]) rescue next
+          end
          vcs = klass.new(curr)
          vcs.define_options(parser) if parser
          vcs.set_options(options)