From 14f6c8ca8ae785b14718cac1ad8891ca20e604e1 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 27 May 2013 08:33:47 +0000
Subject: rbinstall.rb: reject empty files

* tool/rbinstall.rb (install_recursive): add maxdepth option.
* tool/rbinstall.rb (bin-comm): limit depth of bindir and reject empty
  files.  [ruby-core:55101] [Bug #8432]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40956 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 tool/rbinstall.rb | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

(limited to 'tool')

diff --git a/tool/rbinstall.rb b/tool/rbinstall.rb
index 4e24645ea2..1063facbae 100755
--- a/tool/rbinstall.rb
+++ b/tool/rbinstall.rb
@@ -198,6 +198,7 @@ def install_recursive(srcdir, dest, options = {})
   opts = options.clone
   noinst = opts.delete(:no_install)
   glob = opts.delete(:glob) || "*"
+  maxdepth = opts.delete(:maxdepth)
   subpath = (srcdir.size+1)..-1
   prune = []
   skip = []
@@ -217,19 +218,21 @@ def install_recursive(srcdir, dest, options = {})
   prune = path_matcher(prune)
   skip = path_matcher(skip)
   File.directory?(srcdir) or return rescue return
-  paths = [[srcdir, dest, true]]
+  paths = [[srcdir, dest, 0]]
   found = []
   while file = paths.shift
     found << file
     file, d, dir = *file
     if dir
+      depth = dir + 1
+      next if maxdepth and maxdepth < depth
       files = []
       Dir.foreach(file) do |f|
         src = File.join(file, f)
         d = File.join(dest, dir = src[subpath])
         stat = File.lstat(src) rescue next
         if stat.directory?
-          files << [src, d, true] if /\A\./ !~ f and !prune[dir]
+          files << [src, d, depth] if maxdepth != depth and /\A\./ !~ f and !prune[dir]
         elsif stat.symlink?
           # skip
         else
@@ -453,7 +456,7 @@ install?(:local, :comm, :bin, :'bin-comm') do
   else
     trans = proc {|base| base}
   end
-  install_recursive(File.join(srcdir, "bin"), bindir) do |src, cmd|
+  install_recursive(File.join(srcdir, "bin"), bindir, :maxdepth => 1) do |src, cmd|
     cmd = cmd.sub(/[^\/]*\z/m) {|n| RbConfig.expand(trans[n])}
 
     shebang = ''
@@ -462,6 +465,7 @@ install?(:local, :comm, :bin, :'bin-comm') do
       shebang = f.gets
       body = f.read
     end
+    shebang or raise "empty file - #{src}"
     if PROLOG_SCRIPT
       shebang.sub!(/\A(\#!.*?ruby\b)?/) {PROLOG_SCRIPT + ($1 || "#!ruby\n")}
     else
-- 
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