Arch vagga

patch_package.sh

#!/bin/sh -ex
CONTRIBUTOR="Roman Rader <antigluk@gmail.com>"
OVERLAYFS_PATCH="http:\\/\\/people.canonical.com\\/~apw\\/lp1377025-utopic\\/0001-UBUNTU-SAUCE-Overlayfs-allow-unprivileged-mounts.patch"

sed -i.bak "s/# CONFIG_USER_NS is not set/CONFIG_USER_NS=y/" config
sed -i.bak "s/# CONFIG_USER_NS is not set/CONFIG_USER_NS=y/" config.x86_64

sed -i.bak "/source=/,/)/s/)$/\n$OVERLAYFS_PATCH)/" PKGBUILD
sed -i "s/\# add upstream patch/\# add upstream patch\n  patch \-p1 \-i \"\$\{srcdir\}\/`basename $OVERLAYFS_PATCH`\"/" PKGBUILD
sed -i 's/^pkgbase=linux.*$/pkgbase=linux-user-ns-enabled/' PKGBUILD
sed -i "2i# Contributor: ${CONTRIBUTOR}" PKGBUILD
sed -i '/pkgdesc=/{s/"$/ with CONFIG_USER_NS enabled"/}' PKGBUILD
# Everything is owned by root
sed -i '/chown/{s/^/#/}' PKGBUILD
sed -i 's/cp -a /cp -a --no-preserve=ownership /' PKGBUILD
sed -i 's/cp -al /cp -al --no-preserve=ownership /' PKGBUILD

updpkgsums
makepkg --source --skippgpcheck

vagga.yaml

containers:
  arch:
    setup:
    - !Tar
      url: http://mirrors.nix.org.ua/linux/archlinux/iso/2015.12.01/archlinux-bootstrap-2015.12.01-x86_64.tar.gz
      subdir: root.x86_64
    - !CacheDirs { /var/cache/pacman: arch-packages }
    - !Text
      /etc/pacman.d/mirrorlist: |
        Server = http://mirrors.nix.org.ua/linux/archlinux/$repo/os/$arch
      # unfortunately Tar above overwrites resolv.conf, hopefull this is enough
      /etc/resolv.conf: |
        nameserver 8.8.8.8
        nameserver 8.8.4.4
    - !Sh |
        pacman-key --init
        pacman-key --populate archlinux
        pacman -Syu --noconfirm
    # build tools
    - !Sh "pacman -S --noconfirm base-devel git"
    # for kernel
    - !Sh "pacman -S --noconfirm xmlto docbook-xsl inetutils bc"
    - !Sh |
      echo 'MAKEFLAGS="-j4"' >> /etc/makepkg.conf
    - !EnsureDir /build  # hack, but useful
    - !EnsureDir /work/build  # hack, but useful
    auto-clean: true

commands:

  build-package: !Command
    container: arch
    user-id: 1
    external-user-id: 0
    work-dir: packages/linux/repos/core-x86_64
    accepts-arguments: true
    run: |
      [ -d /work/dist ] || mkdir /work/dist
      rm dist/*.tar.xz
      PKGDEST=/work/dist makepkg --skippgpcheck --log "$@"

  prepare-package: !Command
    container: arch
    user-id: 1
    external-user-id: 0
    work-dir: packages/linux/repos/core-x86_64
    run: [/work/patch_package.sh]

  make-repo: !Command
    container: arch
    user-id: 1
    external-user-id: 0
    run: |
      repo-add dist/repo.db.tar.xz dist/*