cgwalters

Are we slim yet?

Translations, coreutils also has a lot of static linking of gnulib.

120417342 glibc-common
14623272 coreutils
14000291 glibc

cgwalters

!/bin/sh
# Clone a copy-on-write "gold" cloud image, resize it to the target, and
# use virt-install to create a VM, attaching a cloud-init metadata ISO.
# Run in /var/lib/libvirt/images

img=$1
shift
name=$1
shift
size=$1

cgwalters

Run like this: $ python ~/tmp/foo.py '(a(s(taya{sv}))a{sv})' /srv/rhel-atomic-host/repo/summary

#!/usr/bin/env python

import os,sys
from gi.repository import GLib

typestr = GLib.VariantType.new(sys.argv[1])
data = open(sys.argv[2]).read()
bytedata = GLib.Bytes.new(data)

cgwalters

Code exists in a branch of rpm-ostree:

https://github.com/cgwalters/rpm-ostree/commits/libhif-next-compose-dockerimages

Executive summary

Dockerfile is an imperative format that allows doing anything, and as a consequence the tooling around it (docker itself, rel-eng tools) are unable to accurately optimize.

cgwalters

#!/usr/bin/env python

import sys,math

buckets = {}

for f in open(sys.argv[1]).readlines():
    f.strip()
    s,p = f.split(' ', 1)
    sz = int(s)

cgwalters

#!/bin/sh -xe

function umountcleanup() {
    umount -R $1 2>/dev/null || true
}

umountcleanup initramfs

rm -f initramfs.img
dd if=/dev/zero of=initramfs.img seek=20M bs=1 count=1

cgwalters

$ cat reposync.sh 
#!/bin/sh
# Mirror a subset of packages from yum repositories, creating local
# repos for them.

set -e

run() {
  echo "$@"
  $@

cgwalters

#!/usr/bin/env python
     
import ctypes
import sys
import os
import subprocess
     
f = None
libc = ctypes.CDLL('libc.so.6')
myfd = os.open('/proc/1/ns/mnt', os.O_RDONLY)

cgwalters

From fc1eede8883bdad29eaaf0fd6d4bdfc5797e5d93 Mon Sep 17 00:00:00 2001
From: Colin Walters <walters@verbum.org>
Date: Fri, 12 Jun 2015 15:42:29 -0400
Subject: [PATCH] Add two backported patches

First is a critical issue upstream in 7.1.2.
Second is also a breakage specific to Anaconda.
---
 ...0001-sysroot-Close-sysroot-fd-in-finalize.patch | 27 +++++++
 .../sysroot-sort-returned-bootloader-configs.patch | 89 ++++++++++++++++++++++

cgwalters

package main

import (
	"io"
	"os"
		"fmt"
	"strings"
)

type rot13Reader struct {