tsahara

#include <stdio.h>
int
main(int argc, char **argv)
{
        float f;
        unsigned int i, mask;

        f = 1.5;
        i = *(unsigned int *)(void *)&f;
        for (mask = 1 << 31; mask > 0; mask >>= 1) {

tsahara

リリース

• lib/vagrant-sakura/version.rb を書き換える

• CHANGELOG.md を更新する

• git commit -a

• rake release で rubygems.org に上がる

• gem としてのテスト

  #!/bin/sh
  

rake build

tsahara

明示的にサポートしている capability は

• change_host_name
• configure_networks
• halt
• mount_nfs_folder

linux に(のみ)あるのは

• insert_public_key : 動いた方がいいんだろうな。

tsahara

(:zap: may break some mrbgems)

• change format of MRUBY_VERSION
  • https://github.com/mruby/mruby/commit/ac4443879a58ce1d38743360971582875bcc8500
• mruby.h includes mruby/version.h
  • https://github.com/mruby/mruby/commit/50ef284015604ae426e23a5bea47b077d9eae4da
• remove support for very old cygwin releases
  • https://github.com/mruby/mruby/commit/b7899aa6ee54783ebc30f0bbb19b93d314b4ff10
• add RUBY_ENGINE (C API)
• https://github.com/mruby/mruby/commit/27dbcd0f0d6f6144d5d59d215131bdbafda14f46

tsahara

mrbgem をひとつだけ追加してビルドした mruby が、起動直後に GC.start した後に malloc(3) で確保しているバイト数

# gem                    bytes  increase
mruby-bin-mirb          146038  0
mruby-bin-mruby         146038  0
mruby-range-ext         146045  7
mruby-sprintf           146053  15
mruby-numeric-ext       146256  218
mruby-object-ext        146258  220
mruby-print             146679  641

tsahara

mrbgem をひとつだけ削ってビルドした mruby が、起動直後に GC.start した後に malloc(3) で確保しているバイト数

                      bytes     diff
mruby-bin-mirb       276481        0 
mruby-bin-mruby      276481        0 
mruby-toplevel-ext   275703     -778 
mruby-time           274895    -1586 
mruby-proc-ext       274326    -2155 
mruby-string-ext     272463    -4018
mruby-random         270315    -6166 

tsahara

FROM ubuntu
RUN apt-get update
RUN apt-get install -y autoconf automake autotools-dev libtool pkg-config zlib1g-dev libcunit1-dev libxml2-dev libjansson-dev libjemalloc-dev libev-dev
RUN apt-get install -y make gcc git g++
RUN apt-get install -y curl

#
# OpenSSL 1.0.2a
#

tsahara

FROM ubuntu:14.04
RUN apt-get update
RUN apt-get install -y autoconf automake autotools-dev libtool pkg-config zlib1g-dev libcunit1-dev libssl-dev libxml2-dev libevent-dev libjansson-dev libjemalloc-dev 
RUN apt-get install -y curl make gcc git g++

WORKDIR /root
RUN curl -L https://github.com/tatsuhiro-t/nghttp2/releases/download/v0.4.0/nghttp2-0.4.0.tar.bz2 | tar jxf -

WORKDIR /root/nghttp2-0.4.0
RUN autoreconf -i

tsahara

(require 'tramp)
(eval-after-load 'tramp
  '(progn
     (setenv "SHELL" "/bin/sh")       ; tramp expects something on shell...
     (setenv "TMPDIR" "/tmp")         ; tramp hates long directory name...
     (setq vc-handled-backends '()))) ; tramp freezes...