Add initial implementation

.gitignore

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+*~
+*.orig
+/.idea

Dockerfile

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+FROM scratch
+ADD archlinux.tar.xz /
+CMD ["/usr/bin/bash"]

Makefile

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+rootfs:
+	$(eval TMPDIR := $(shell mktemp -d))
+	pacstrap -C rootfs/etc/pacman.conf -c -d -G -M $(TMPDIR) $(shell cat packages)
+	cp -rvp --backup --suffix=.pacnew rootfs/* $(TMPDIR)/
+	arch-chroot $(TMPDIR) locale-gen
+	arch-chroot $(TMPDIR) pacman-key --init
+	arch-chroot $(TMPDIR) pacman-key --populate archlinux
+	tar --numeric-owner --xattrs --acls --exclude-from=exclude -C $(TMPDIR) -c . -Jvf archlinux.tar.xz
+	rm -rf $(TMPDIR)
+
+docker-image: rootfs
+	docker build -t pierres/archlinux .
+
+.PHONY: rootfs docker-image

exclude

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+.dockerenv
+.dockerinit
+etc/hostname
+etc/machine-id
+etc/pacman.d/gnupg/openpgp-revocs.d/*
+etc/pacman.d/gnupg/private-keys-v1.d/*
+etc/pacman.d/gnupg/pubring.gpg~
+etc/pacman.d/gnupg/S.gpg-agent*
+root/*
+tmp/*
+var/cache/pacman/pkg/*
+var/lib/pacman/sync/*
+var/tmp/*

packages

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+diffutils
+gettext
+grep
+inetutils
+iproute2
+iputils
+pacman
+procps-ng
+psmisc
+sed
+tar
+util-linux
+which
+gzip

rootfs/etc/locale.conf

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+LANG=en_US.UTF-8

rootfs/etc/locale.gen

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+en_US.UTF-8 UTF-8

rootfs/etc/pacman.conf

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+[options]
+CacheDir = /tmp/pacman/pkg
+Architecture = auto
+SigLevel = Required DatabaseOptional
+LocalFileSigLevel = Optional
+
+[core]
+Include = /etc/pacman.d/mirrorlist
+
+[extra]
+Include = /etc/pacman.d/mirrorlist
+
+[community]
+Include = /etc/pacman.d/mirrorlist

rootfs/etc/pacman.d/mirrorlist

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+Server = http://mirror.leaseweb.net/archlinux/$repo/os/$arch