can generate initramfs from busybox

Signed-off-by: Nico Schottelius <nico@wurzel.schottelius.org>

hacking/v2-initramfs-from-os/file_list_of_packages.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+
+pacman -Qlq "$@"

hacking/v2-initramfs-from-os/filelist_from_package.sh

@@ -0,0 +1,19 @@
+#!/bin/sh
+
+# Generate filelist excluding stuff that takes only space
+(
+    for pkg in systemd openssh \
+          bash  bzip2  coreutils  cryptsetup  device-mapper  dhcpcd \
+          diffutils  e2fsprogs  file filesystem  findutils  gawk    \
+          gettext  glibc  grep  gzip  inetutils iproute2  \
+          iputils  jfsutils  less  licenses  linux  logrotate  lvm2 \
+          man-db man-pages  mdadm  nano  pacman  pciutils   \
+          pcmciautils  perl  procps-ng psmisc  reiserfsprogs        \
+          s-nail  sed  shadow  sysfsutils  systemd-sysvcompat  tar  \
+          texinfo  usbutils  util-linux  vi  which  xfsprogs        \
+    ; do
+        pacman -Qlq $pkg | grep -v  \
+            -e /usr/share/man/      \
+            -e /usr/share/doc/
+    done
+) | sort | uniq

hacking/v2-initramfs-from-os/filelist_to_dir.sh

@@ -0,0 +1,18 @@
+#!/bin/sh
+
+if [ "$#" -ne 1 ]; then
+    echo "$0 outdir"
+    exit 1
+fi
+
+outdir=$1; shift
+
+mkdir -p "$outdir"
+
+while read file; do
+    if [ -d "$file" ]; then
+        mkdir -p "$outdir$file"
+    else
+        cp --preserve=mode,links "$file" "$outdir$file"
+    fi
+done