* process.c (proc_exec_v, proc_spawn_v): try to execute with sh if

  no shebang.  [ruby-core:32745] [EXPERIMENTAL]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29695 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 25 insertions, 0 deletions

diff --git a/test/ruby/test_process.rb b/test/ruby/test_process.rb
index df1086dad1..4e16400582 100644
--- a/test/ruby/test_process.rb
+++ b/test/ruby/test_process.rb
@@ -1220,4 +1220,18 @@ class TestProcess < Test::Unit::TestCase
       assert(status.success?, "[ruby-dev:38105]")
     }
   end
+
+  def test_fallback_to_sh
+    feature = '[ruby-core:32745]'
+    with_tmpchdir do |d|
+      open("tmp_script.#{$$}", "w") {|f| f.puts ": ;"; f.chmod(0755)}
+      assert_not_nil(pid = Process.spawn("./tmp_script.#{$$}"), feature)
+      wpid, st = Process.waitpid2(pid)
+      assert_equal([pid, true], [wpid, st.success?], feature)
+
+      open("tmp_script.#{$$}", "w") {|f| f.puts "echo $#: $@"; f.chmod(0755)}
+      result = IO.popen(["./tmp_script.#{$$}", "a b", "c"]) {|f| f.read}
+      assert_equal("2: a b c\n", result, feature)
+    end
+  end
 end
diff --git a/test/ruby/test_system.rb b/test/ruby/test_system.rb
index 358fa54ef8..2a5107f70c 100644
--- a/test/ruby/test_system.rb
+++ b/test/ruby/test_system.rb
@@ -91,4 +91,15 @@ class TestSystem < Test::Unit::TestCase
   def test_empty_evstr
     assert_equal("", eval('"#{}"', nil, __FILE__, __LINE__), "[ruby-dev:25113]")
   end
+
+  def test_fallback_to_sh
+    Dir.mktmpdir("ruby_script_tmp") {|tmpdir|
+      tmpfilename = "#{tmpdir}/ruby_script_tmp.#{$$}"
+      open(tmpfilename, "w") {|f|
+        f.puts ": ;"
+        f.chmod(0755)
+      }
+      assert_equal(true, system(tmpfilename), '[ruby-core:32745]')
+    }
+  end
 end