ruby: Some more /tmp -> $PREFIX/tmp patches

packages/ruby/ext-etc-etc.c.patch

@@ -0,0 +1,12 @@
+diff -u -r ../ruby-2.4.0/ext/etc/etc.c ./ext/etc/etc.c
+--- ../ruby-2.4.0/ext/etc/etc.c	2016-06-02 14:21:42.000000000 +0200
++++ ./ext/etc/etc.c	2017-01-18 04:18:25.912737382 +0100
+@@ -651,7 +651,7 @@
+     if (!len) return Qnil;
+     tmpdir = rb_w32_conv_from_wchar(path, rb_filesystem_encoding());
+ #else
+-    const char default_tmp[] = "/tmp";
++    const char default_tmp[] = "@TERMUX_PREFIX@/tmp";
+     const char *tmpstr = default_tmp;
+     size_t tmplen = strlen(default_tmp);
+ # if defined _CS_DARWIN_USER_TEMP_DIR

packages/ruby/lib-tmpdir.rb.patch

@@ -0,0 +1,30 @@
+diff -u -r ../ruby-2.4.0/lib/tmpdir.rb ./lib/tmpdir.rb
+--- ../ruby-2.4.0/lib/tmpdir.rb	2016-02-26 03:11:14.000000000 +0100
++++ ./lib/tmpdir.rb	2017-01-18 04:13:47.675833299 +0100
+@@ -13,7 +13,7 @@
+ 
+ class Dir
+ 
+-  @@systmpdir ||= defined?(Etc.systmpdir) ? Etc.systmpdir : '/tmp'
++  @@systmpdir ||= defined?(Etc.systmpdir) ? Etc.systmpdir : '@TERMUX_PREFIX@/tmp'
+ 
+   ##
+   # Returns the operating system's temporary file path.
+@@ -23,7 +23,7 @@
+       @@systmpdir.dup
+     else
+       tmp = nil
+-      [ENV['TMPDIR'], ENV['TMP'], ENV['TEMP'], @@systmpdir, '/tmp', '.'].each do |dir|
++      [ENV['TMPDIR'], ENV['TMP'], ENV['TEMP'], @@systmpdir, '@TERMUX_PREFIX@/tmp', '.'].each do |dir|
+         next if !dir
+         dir = File.expand_path(dir)
+         if stat = File.stat(dir) and stat.directory? and stat.writable? and
+@@ -120,7 +120,7 @@
+ 
+     def create(basename, tmpdir=nil, max_try: nil, **opts)
+       if $SAFE > 0 and tmpdir.tainted?
+-        tmpdir = '/tmp'
++        tmpdir = '@TERMUX_PREFIX@/tmp'
+       else
+         tmpdir ||= tmpdir()
+       end