From ce36bf285daf6e652e06d138de36feb65032ff59 Mon Sep 17 00:00:00 2001
From: Esteban Carnevale <alfplayer@mailoo.org>
Date: Wed, 13 Mar 2013 20:28:56 -0300
Subject: Replace string in all filenames: archiso -> parabolaiso

---
 parabolaiso/initcpio/hooks/parabolaiso             | 208 ++++++++
 parabolaiso/initcpio/hooks/parabolaiso_loop_mnt    |  32 ++
 parabolaiso/initcpio/hooks/parabolaiso_pxe_common  |  50 ++
 parabolaiso/initcpio/hooks/parabolaiso_pxe_http    |  61 +++
 parabolaiso/initcpio/hooks/parabolaiso_pxe_nbd     |  40 ++
 parabolaiso/initcpio/hooks/parabolaiso_pxe_nfs     |  30 ++
 parabolaiso/initcpio/hooks/parabolaiso_shutdown    |   6 +
 parabolaiso/initcpio/install/parabolaiso           |  22 +
 parabolaiso/initcpio/install/parabolaiso_kms       |  26 +
 parabolaiso/initcpio/install/parabolaiso_loop_mnt  |  13 +
 .../initcpio/install/parabolaiso_pxe_common        |  26 +
 parabolaiso/initcpio/install/parabolaiso_pxe_http  |  15 +
 parabolaiso/initcpio/install/parabolaiso_pxe_nbd   |  17 +
 parabolaiso/initcpio/install/parabolaiso_pxe_nfs   |  17 +
 parabolaiso/initcpio/install/parabolaiso_shutdown  |  20 +
 parabolaiso/initcpio/script/parabolaiso_shutdown   |  37 ++
 parabolaiso/mkparabolaiso                          | 584 +++++++++++++++++++++
 17 files changed, 1204 insertions(+)
 create mode 100644 parabolaiso/initcpio/hooks/parabolaiso
 create mode 100644 parabolaiso/initcpio/hooks/parabolaiso_loop_mnt
 create mode 100644 parabolaiso/initcpio/hooks/parabolaiso_pxe_common
 create mode 100644 parabolaiso/initcpio/hooks/parabolaiso_pxe_http
 create mode 100644 parabolaiso/initcpio/hooks/parabolaiso_pxe_nbd
 create mode 100644 parabolaiso/initcpio/hooks/parabolaiso_pxe_nfs
 create mode 100644 parabolaiso/initcpio/hooks/parabolaiso_shutdown
 create mode 100644 parabolaiso/initcpio/install/parabolaiso
 create mode 100644 parabolaiso/initcpio/install/parabolaiso_kms
 create mode 100644 parabolaiso/initcpio/install/parabolaiso_loop_mnt
 create mode 100644 parabolaiso/initcpio/install/parabolaiso_pxe_common
 create mode 100644 parabolaiso/initcpio/install/parabolaiso_pxe_http
 create mode 100644 parabolaiso/initcpio/install/parabolaiso_pxe_nbd
 create mode 100644 parabolaiso/initcpio/install/parabolaiso_pxe_nfs
 create mode 100644 parabolaiso/initcpio/install/parabolaiso_shutdown
 create mode 100644 parabolaiso/initcpio/script/parabolaiso_shutdown
 create mode 100755 parabolaiso/mkparabolaiso

(limited to 'parabolaiso')

diff --git a/parabolaiso/initcpio/hooks/parabolaiso b/parabolaiso/initcpio/hooks/parabolaiso
new file mode 100644
index 0000000..66a6273
--- /dev/null
+++ b/parabolaiso/initcpio/hooks/parabolaiso
@@ -0,0 +1,208 @@
+# args: source, newroot, mountpoint
+_mnt_fs() {
+    local img="${1}"
+    local newroot="${2}"
+    local mnt="${3}"
+    local img_fullname="${img##*/}";
+    local img_name="${img_fullname%%.*}"
+    local dm_snap_name="${dm_snap_prefix}_${img_name}"
+    local ro_dev ro_dev_size rw_dev
+
+    ro_dev=$(losetup --find --show --read-only "${img}")
+    echo ${ro_dev} >> /run/archiso/used_block_devices
+    ro_dev_size=$(blockdev --getsz ${ro_dev})
+    if [[ "${cowfile_size}" == "100" ]]; then
+        rw_dev_size=${ro_dev_size}
+    else
+        # size calculation done in this way to avoid integer overflow when ro_dev_size is > 10.2G
+        rw_dev_size=$((ro_dev_size/100*cowfile_size))
+    fi
+
+    if [[ "${cow_persistent}" == "P" ]]; then
+        if [[ -f "/run/archiso/cowspace/${cow_directory}/${img_name}.cow" ]]; then
+            msg ":: Found '/run/archiso/cowspace/${cow_directory}/${img_name}.cow', using as persistent."
+        else
+            msg ":: Creating '/run/archiso/cowspace/${cow_directory}/${img_name}.cow' as persistent."
+            dd of="/run/archiso/cowspace/${cow_directory}/${img_name}.cow" count=0 seek=${rw_dev_size} &> /dev/null
+        fi
+    else
+        if [[ -f "/run/archiso/cowspace/${cow_directory}/${img_name}.cow" ]]; then
+            msg ":: Found '/run/archiso/cowspace/${cow_directory}/${img_name}.cow' but non-persistent requested, removing."
+            rm -f "/run/archiso/cowspace/${cow_directory}/${img_name}.cow"
+        fi
+        msg ":: Creating '/run/archiso/cowspace/${cow_directory}/${img_name}.cow' as non-persistent."
+        dd of="/run/archiso/cowspace/${cow_directory}/${img_name}.cow" count=0 seek=${rw_dev_size} &> /dev/null
+    fi
+
+    rw_dev=$(losetup --find --show "/run/archiso/cowspace/${cow_directory}/${img_name}.cow")
+    echo ${rw_dev} >> /run/archiso/used_block_devices
+
+    echo "0 ${ro_dev_size} snapshot ${ro_dev} ${rw_dev} ${cow_persistent} 8" | dmsetup create ${dm_snap_name}
+
+    _mnt_dev "/dev/mapper/${dm_snap_name}" "${newroot}${mnt}" "-w"
+    echo $(readlink -f /dev/mapper/${dm_snap_name}) >> /run/archiso/used_block_devices
+}
+
+# args: /path/to/image_file, mountpoint
+_mnt_sfs() {
+    local img="${1}"
+    local mnt="${2}"
+    local img_fullname="${img##*/}"
+    local sfs_dev
+
+    if [[ "${copytoram}" == "y" ]]; then
+        msg -n ":: Copying squashfs image to RAM..."
+        if ! cp "${img}" "/run/archiso/copytoram/${img_fullname}" ; then
+            echo "ERROR: while copy '${img}' to '/run/archiso/copytoram/${img_fullname}'"
+            launch_interactive_shell
+        fi
+        img="/run/archiso/copytoram/${img_fullname}"
+        msg "done."
+    fi
+    sfs_dev=$(losetup --find --show --read-only "${img}")
+    echo ${sfs_dev} >> /run/archiso/used_block_devices
+    _mnt_dev "${sfs_dev}" "${mnt}" "-r"
+}
+
+# args: device, mountpoint, flags
+_mnt_dev() {
+    local dev="${1}"
+    local mnt="${2}"
+    local flg="${3}"
+
+    mkdir -p "${mnt}"
+
+    msg ":: Mounting '${dev}' to '${mnt}'"
+
+    while ! poll_device "${dev}" 30; do
+        echo "ERROR: '${dev}' device did not show up after 30 seconds..."
+        echo "   Falling back to interactive prompt"
+        echo "   You can try to fix the problem manually, log out when you are finished"
+        launch_interactive_shell
+    done
+
+    if mount "${flg}" "${dev}" "${mnt}"; then
+        msg ":: Device '${dev}' mounted successfully."
+    else
+        echo "ERROR; Failed to mount '${dev}'"
+        echo "   Falling back to interactive prompt"
+        echo "   You can try to fix the problem manually, log out when you are finished"
+        launch_interactive_shell
+    fi
+}
+
+_verify_checksum() {
+    local _status
+    cd "/run/archiso/bootmnt/${archisobasedir}"
+    md5sum -c checksum.${arch}.md5 > /tmp/checksum.${arch}.log 2>&1
+    _status=$?
+    cd "${OLDPWD}"
+    return ${_status}
+}
+
+run_hook() {
+    [[ -z "${arch}" ]] && arch="$(uname -m)"
+    [[ -z "${cowspace_size}" ]] && cowspace_size="75%"
+    [[ -z "${copytoram_size}" ]] && copytoram_size="75%"
+    [[ -z "${archisobasedir}" ]] && archisobasedir="arch"
+    [[ -z "${dm_snap_prefix}" ]] && dm_snap_prefix="arch"
+    [[ -z "${archisodevice}" ]] && archisodevice="/dev/disk/by-label/${archisolabel}"
+    if [[ -z "${cowfile_size}" ]]; then
+        cowfile_size="100"
+    else
+        cowfile_size=${cowfile_size/%}
+    fi
+
+    if [[ -z "${aitab}" ]]; then
+        aitab="/run/archiso/bootmnt/${archisobasedir}/aitab"
+    else
+        aitab="/run/archiso/bootmnt/${archisobasedir}/${aitab}"
+    fi
+
+    if [[ -n "${cow_label}" ]]; then
+        cow_device="/dev/disk/by-label/${cow_label}"
+        [[ -z "${cow_persistent}" ]] && cow_persistent="P"
+    elif [[ -n "${cow_device}" ]]; then
+        [[ -z "${cow_persistent}" ]] && cow_persistent="P"
+    else
+        cow_persistent="N"
+    fi
+
+    [[ -z "${cow_directory}" ]] && cow_directory="persistent_${archisolabel}/${arch}"
+
+    # set mount handler for archiso
+    mount_handler="archiso_mount_handler"
+}
+
+# This function is called normally from init script, but it can be called
+# as chain from other mount handlers.
+# args: /path/to/newroot
+archiso_mount_handler() {
+    local newroot="${1}"
+
+    if ! mountpoint -q "/run/archiso/bootmnt"; then
+        _mnt_dev "${archisodevice}" "/run/archiso/bootmnt" "-r"
+        if [[ "${copytoram}" != "y" ]]; then
+            echo $(readlink -f ${archisodevice}) >> /run/archiso/used_block_devices
+        fi
+    fi
+
+
+    if [[ ! -f "${aitab}" ]]; then
+        echo "ERROR: '${aitab}' file does not exist."
+        echo "   Falling back to interactive prompt"
+        echo "   You can try to fix the problem manually, log out when you are finished"
+        launch_interactive_shell
+    fi
+
+    if [[ "${checksum}" == "y" ]]; then
+        if [[ -f "/run/archiso/bootmnt/${archisobasedir}/checksum.${arch}.md5" ]]; then
+            msg -n ":: Self-test requested, please wait..."
+            if _verify_checksum; then
+                msg "done. Checksum is OK, continue booting."
+            else
+                echo "ERROR: one or more files are corrupted"
+                echo "see /tmp/checksum.${arch}.log for details"
+                launch_interactive_shell
+            fi
+        else
+            echo "ERROR: checksum=y option specified but checksum.${arch}.md5 not found"
+            launch_interactive_shell
+        fi
+    fi
+
+    if [[ "${copytoram}" == "y" ]]; then
+        msg ":: Mounting /run/archiso/copytoram (tmpfs) filesystem, size=${copytoram_size}"
+        mkdir -p /run/archiso/copytoram
+        mount -t tmpfs -o "size=${copytoram_size}",mode=0755 copytoram /run/archiso/copytoram
+    fi
+
+    if [[ -n "${cow_device}" ]]; then
+        _mnt_dev "${cow_device}" "/run/archiso/cowspace" "-r"
+        echo $(readlink -f ${cow_device}) >> /run/archiso/used_block_devices
+        mount -o remount,rw "/run/archiso/cowspace"
+    else
+        msg ":: Mounting /run/archiso/cowspace (tmpfs) filesystem, size=${cowspace_size}..."
+        mkdir -p /run/archiso/cowspace
+        mount -t tmpfs -o "size=${cowspace_size}",mode=0755 cowspace /run/archiso/cowspace
+    fi
+    mkdir -p "/run/archiso/cowspace/${cow_directory}"
+
+    local aitab_img aitab_mnt aitab_arch aitab_sfs_comp aitab_fs_type aitab_fs_size
+    while read aitab_img aitab_mnt aitab_arch aitab_sfs_comp aitab_fs_type aitab_fs_size; do
+        [[ "${aitab_img#\#}" != "${aitab_img}" ]] && continue
+        [[ "${aitab_arch}" != "any" && "${aitab_arch}" != "${arch}" ]] && continue
+        if [[ "${aitab_fs_type}" != "none" ]]; then
+            _mnt_sfs "/run/archiso/bootmnt/${archisobasedir}/${aitab_arch}/${aitab_img}.fs.sfs" "/run/archiso/sfs/${aitab_img}"
+            _mnt_fs "/run/archiso/sfs/${aitab_img}/${aitab_img}.fs" "${newroot}" "${aitab_mnt}"
+        else
+            _mnt_sfs "/run/archiso/bootmnt/${archisobasedir}/${aitab_arch}/${aitab_img}.sfs" "${newroot}${aitab_mnt}"
+        fi
+    done < "${aitab}"
+
+    if [[ "${copytoram}" == "y" ]]; then
+        umount /run/archiso/bootmnt
+    fi
+}
+
+# vim:ft=sh:ts=4:sw=4:et:
diff --git a/parabolaiso/initcpio/hooks/parabolaiso_loop_mnt b/parabolaiso/initcpio/hooks/parabolaiso_loop_mnt
new file mode 100644
index 0000000..a02cfac
--- /dev/null
+++ b/parabolaiso/initcpio/hooks/parabolaiso_loop_mnt
@@ -0,0 +1,32 @@
+# vim: set ft=sh:
+
+run_hook () {
+    [[ -n "${img_label}" ]] && img_dev="/dev/disk/by-label/${img_label}"
+    if [[ -n "${img_dev}" && -n "${img_loop}" ]]; then
+        mount_handler="archiso_loop_mount_handler"
+    fi
+}
+
+archiso_loop_mount_handler () {
+    newroot="${1}"
+
+    local _dev_loop
+
+    msg ":: Setup a loop device from ${img_loop} located at device ${img_dev}"
+    _mnt_dev "${img_dev}" "/run/archiso/img_dev" "-r"
+    if [[ "${copytoram}" != "y" ]]; then
+        echo $(readlink -f ${img_dev}) >> /run/archiso/used_block_devices
+    fi
+
+    if ! _dev_loop=$(losetup --find --show --read-only "/run/archiso/img_dev/${img_loop}"); then
+        echo "ERROR: Setting loopback device for file '/run/archiso/img_dev/${img_loop}'"
+        launch_interactive_shell
+    fi
+
+    archiso_mount_handler ${newroot}
+
+    if [[ "${copytoram}" == "y" ]]; then
+        losetup -d ${_dev_loop}
+        umount /run/archiso/img_dev
+    fi
+}
diff --git a/parabolaiso/initcpio/hooks/parabolaiso_pxe_common b/parabolaiso/initcpio/hooks/parabolaiso_pxe_common
new file mode 100644
index 0000000..d8ac709
--- /dev/null
+++ b/parabolaiso/initcpio/hooks/parabolaiso_pxe_common
@@ -0,0 +1,50 @@
+# vim: set ft=sh:
+
+run_hook () {
+    local i net_mac bootif_mac bootif_dev
+    # These variables will be parsed from /tmp/net-*.conf generated by ipconfig
+    local DEVICE
+    local IPV4ADDR IPV4BROADCAST IPV4NETMASK IPV4GATEWAY IPV4DNS0 IPV4DNS1
+    local HOSTNAME DNSDOMAIN NISDOMAIN ROOTSERVER ROOTPATH
+    local filename
+    # /tmp/net-*.conf
+
+    if [[ -n "${ip}" ]]; then
+        if [[ -n "${BOOTIF}" ]]; then
+            bootif_mac=${BOOTIF#01-}
+            bootif_mac=${bootif_mac//-/:}
+            for i in /sys/class/net/*/address; do
+                read net_mac < ${i}
+                if [[ "${bootif_mac}" == "${net_mac}" ]]; then
+                    bootif_dev=${i#/sys/class/net/}
+                    bootif_dev=${bootif_dev%/address}
+                    break
+                fi
+            done
+            ip="${ip}::${bootif_dev}"
+        fi
+
+        # setup network and save some values
+        ipconfig "ip=${ip}"
+
+        . /tmp/net-*.conf
+
+        pxeserver=${ROOTSERVER}
+
+        # setup DNS resolver
+        if [[ "${IPV4DNS0}" != "0.0.0.0" ]]; then
+            echo "nameserver ${IPV4DNS0}" > /etc/resolv.conf
+        fi
+        if [[ "${IPV4DNS1}" != "0.0.0.0" ]]; then
+            echo "nameserver ${IPV4DNS1}" >> /etc/resolv.conf
+        fi
+    fi
+}
+
+run_latehook () {
+    [[ -z "${copy_resolvconf}" ]] && copy_resolvconf="y"
+
+    if [[ "${copy_resolvconf}" != "n" && -f /etc/resolv.conf ]]; then
+        cp /etc/resolv.conf /new_root/etc/resolv.conf
+    fi
+}
diff --git a/parabolaiso/initcpio/hooks/parabolaiso_pxe_http b/parabolaiso/initcpio/hooks/parabolaiso_pxe_http
new file mode 100644
index 0000000..32e8ab0
--- /dev/null
+++ b/parabolaiso/initcpio/hooks/parabolaiso_pxe_http
@@ -0,0 +1,61 @@
+# vim: set ft=sh:
+
+run_hook() {
+    if [[ -n "${ip}" && -n "${archiso_http_srv}" ]]; then
+
+        archiso_http_srv=$(eval echo ${archiso_http_srv})
+        [[ -z "${archiso_http_spc}" ]] && archiso_http_spc="75%"
+
+        mount_handler="archiso_pxe_http_mount_handler"
+    fi
+}
+
+# Fetch a file with CURL
+#
+# $1 URL
+# $2 Destination directory inside httpspace/${archisobasedir}
+_curl_get() {
+    local _url="${1}"
+    local _dst="${2}"
+
+    msg ":: Downloading '${_url}'"
+    if ! curl -L -f -o "/run/archiso/httpspace/${archisobasedir}${_dst}/${_url##*/}" --create-dirs "${_url}"; then
+        echo "ERROR: Downloading '${_url}'"
+        echo "   Falling back to interactive prompt"
+        echo "   You can try to fix the problem manually, log out when you are finished"
+        launch_interactive_shell
+    fi
+}
+
+archiso_pxe_http_mount_handler () {
+    newroot="${1}"
+
+    msg ":: Mounting /run/archiso/httpspace (tmpfs) filesystem, size='${archiso_http_spc}'"
+    mkdir -p "/run/archiso/httpspace"
+    mount -t tmpfs -o size="${archiso_http_spc}",mode=0755 httpspace "/run/archiso/httpspace"
+
+    local _aitab_url="${archiso_http_srv}${aitab#/run/archiso/bootmnt/}"
+    local _aitab_file="/run/archiso/httpspace/${aitab#/run/archiso/bootmnt/}"
+
+    _curl_get "${_aitab_url}" "/"
+
+    local aitab_img aitab_mnt aitab_arch aitab_sfs_comp aitab_fs_type aitab_fs_size
+    while read aitab_img aitab_mnt aitab_arch aitab_sfs_comp aitab_fs_type aitab_fs_size; do
+        [[ "${aitab_img#\#}" != "${aitab_img}" ]] && continue
+        [[ "${aitab_arch}" != "any" && "${aitab_arch}" != "${arch}" ]] && continue
+        if [[ "${aitab_fs_type}" != "none" ]]; then
+            _curl_get "${archiso_http_srv}${archisobasedir}/${aitab_arch}/${aitab_img}.fs.sfs" "/${aitab_arch}"
+        else
+            _curl_get "${archiso_http_srv}${archisobasedir}/${aitab_arch}/${aitab_img}.sfs" "/${aitab_arch}"
+        fi
+    done < "${_aitab_file}"
+
+    if [[ "${checksum}" == "y" ]]; then
+        _curl_get "${archiso_http_srv}${archisobasedir}/checksum.${arch}.md5" "/"
+    fi
+
+    mkdir -p "/run/archiso/bootmnt"
+    mount -o bind /run/archiso/httpspace /run/archiso/bootmnt
+
+    archiso_mount_handler ${newroot}
+}
diff --git a/parabolaiso/initcpio/hooks/parabolaiso_pxe_nbd b/parabolaiso/initcpio/hooks/parabolaiso_pxe_nbd
new file mode 100644
index 0000000..d9bc6d8
--- /dev/null
+++ b/parabolaiso/initcpio/hooks/parabolaiso_pxe_nbd
@@ -0,0 +1,40 @@
+# vim: set ft=sh:
+
+run_hook() {
+    if [[ -n "${ip}" && -n "${archiso_nbd_srv}" ]]; then
+
+        archiso_nbd_srv=$(eval echo ${archiso_nbd_srv})
+        [[ -z "${archiso_nbd_name}" ]] && archiso_nbd_name="archiso"
+
+        mount_handler="archiso_pxe_nbd_mount_handler"
+    fi
+}
+
+archiso_pxe_nbd_mount_handler () {
+    newroot="${1}"
+
+    # Module autoloading like with loop devices does not work, doing manually...
+    modprobe nbd 2> /dev/null
+
+    msg ":: Waiting for boot device..."
+    while ! poll_device /dev/nbd0 30; do
+        echo "ERROR: boot device didn't show up after 30 seconds..."
+        echo "   Falling back to interactive prompt"
+        echo "   You can try to fix the problem manually, log out when you are finished"
+        launch_interactive_shell
+    done
+
+    msg ":: Setup NBD from ${archiso_nbd_srv} at /dev/nbd0"
+    nbd-client ${archiso_nbd_srv} -N ${archiso_nbd_name} /dev/nbd0
+
+    if [[ "${copytoram}" != "n" ]]; then
+        copytoram="y"
+    fi
+
+    archisodevice=/dev/nbd0
+
+    archiso_mount_handler ${newroot}
+
+    msg ":: Disconnect NBD from ${archiso_nbd_srv} at /dev/nbd0"
+    nbd-client -d /dev/nbd0
+}
diff --git a/parabolaiso/initcpio/hooks/parabolaiso_pxe_nfs b/parabolaiso/initcpio/hooks/parabolaiso_pxe_nfs
new file mode 100644
index 0000000..67874ec
--- /dev/null
+++ b/parabolaiso/initcpio/hooks/parabolaiso_pxe_nfs
@@ -0,0 +1,30 @@
+# vim: set ft=sh:
+
+run_hook() {
+    if [[ -n "${ip}" && -n "${archiso_nfs_srv}" ]]; then
+
+        archiso_nfs_srv=$(eval echo ${archiso_nfs_srv})
+        [[ -n "${archiso_nfs_opt}" ]] && archiso_nfs_opt="-o ${archiso_nfs_opt}"
+
+        mount_handler="archiso_nfs_mount_handler"
+    fi
+}
+
+archiso_nfs_mount_handler() {
+    newroot="${1}"
+    mkdir -p "/run/archiso/bootmnt"
+    msg ":: Mounting '${archiso_nfs_srv}'"
+    # Do not put "${archiso_nfs_opt}" nfsmount fails!
+    if ! nfsmount ${archiso_nfs_opt} "${archiso_nfs_srv}" "/run/archiso/bootmnt"; then
+        echo "ERROR: Mounting '${archiso_nfs_srv}'"
+        echo "   Falling back to interactive prompt"
+        echo "   You can try to fix the problem manually, log out when you are finished"
+        launch_interactive_shell
+    fi
+
+    if [[ "${copytoram}" != "n" ]]; then
+        copytoram="y"
+    fi
+
+    archiso_mount_handler ${newroot}
+}
diff --git a/parabolaiso/initcpio/hooks/parabolaiso_shutdown b/parabolaiso/initcpio/hooks/parabolaiso_shutdown
new file mode 100644
index 0000000..e50dedb
--- /dev/null
+++ b/parabolaiso/initcpio/hooks/parabolaiso_shutdown
@@ -0,0 +1,6 @@
+run_cleanuphook() {
+    rm -rf /usr/lib/modules
+    cp -ax / /run/initramfs
+}
+
+# vim: set ft=sh ts=4 sw=4 et:
diff --git a/parabolaiso/initcpio/install/parabolaiso b/parabolaiso/initcpio/install/parabolaiso
new file mode 100644
index 0000000..8893667
--- /dev/null
+++ b/parabolaiso/initcpio/install/parabolaiso
@@ -0,0 +1,22 @@
+#!/bin/bash
+
+build() {
+    add_module "cdrom"
+    add_module "loop"
+    add_module "dm-snapshot"
+
+    add_runscript
+
+    add_binary /usr/lib/udev/cdrom_id
+    add_binary blockdev
+    add_binary dmsetup
+    add_binary losetup
+    add_binary mountpoint
+
+    add_file /usr/lib/udev/rules.d/60-cdrom_id.rules
+    add_file /usr/lib/udev/rules.d/10-dm.rules
+    add_file /usr/lib/udev/rules.d/95-dm-notify.rules
+    add_file /usr/lib/initcpio/udev/11-dm-initramfs.rules /usr/lib/udev/rules.d/11-dm-initramfs.rules
+}
+
+# vim: set ft=sh ts=4 sw=4 et:
diff --git a/parabolaiso/initcpio/install/parabolaiso_kms b/parabolaiso/initcpio/install/parabolaiso_kms
new file mode 100644
index 0000000..3ff31f3
--- /dev/null
+++ b/parabolaiso/initcpio/install/parabolaiso_kms
@@ -0,0 +1,26 @@
+#!/bin/bash
+
+build() {
+    add_module "radeon"
+    add_module "nouveau"
+    add_module "i915"
+    add_module "via-agp"
+    add_module "sis-agp"
+    add_module "intel-agp"
+
+    if [[ $(uname -m) == i686 ]]; then
+        add_module "amd64-agp"
+        add_module "ati-agp"
+        add_module "sworks-agp"
+        add_module "ali-agp"
+        add_module "amd-k7-agp"
+        add_module "nvidia-agp"
+        add_module "efficeon-agp"
+    fi
+}
+
+help() {
+    cat << HELPEOF
+Adds all common KMS drivers to the initramfs image.
+HELPEOF
+}
diff --git a/parabolaiso/initcpio/install/parabolaiso_loop_mnt b/parabolaiso/initcpio/install/parabolaiso_loop_mnt
new file mode 100644
index 0000000..59f1d94
--- /dev/null
+++ b/parabolaiso/initcpio/install/parabolaiso_loop_mnt
@@ -0,0 +1,13 @@
+#!/bin/bash
+
+build() {
+    add_runscript
+}
+
+help() {
+cat<<HELPEOF
+  This hook loads the necessary modules for boot via loop device.
+HELPEOF
+}
+
+# vim: set ft=sh ts=4 sw=4 et:
diff --git a/parabolaiso/initcpio/install/parabolaiso_pxe_common b/parabolaiso/initcpio/install/parabolaiso_pxe_common
new file mode 100644
index 0000000..eec9a7e
--- /dev/null
+++ b/parabolaiso/initcpio/install/parabolaiso_pxe_common
@@ -0,0 +1,26 @@
+#!/bin/bash
+
+build() {
+    add_checked_modules -f "(irda|phy|wimax|wireless|ppp_|plip|pppoe)" "/drivers/net/"
+
+    add_runscript
+
+    add_binary /usr/lib/initcpio/ipconfig /bin/ipconfig
+
+    # Add hosts support files+dns
+    add_symlink /usr/lib/libnss_files.so.2 $(readlink /usr/lib/libnss_files.so.2)
+    add_binary $(readlink -f /usr/lib/libnss_files.so.2)
+    add_symlink /usr/lib/libnss_dns.so.2 $(readlink /usr/lib/libnss_dns.so.2)
+    add_binary $(readlink -f /usr/lib/libnss_dns.so.2)
+
+    add_dir /etc
+    echo "hosts: files dns" > $BUILDROOT/etc/nsswitch.conf
+}
+
+help() {
+cat<<HELPEOF
+  This hook loads the necessary modules for boot via PXE.
+HELPEOF
+}
+
+# vim: set ft=sh ts=4 sw=4 et:
diff --git a/parabolaiso/initcpio/install/parabolaiso_pxe_http b/parabolaiso/initcpio/install/parabolaiso_pxe_http
new file mode 100644
index 0000000..4e02f98
--- /dev/null
+++ b/parabolaiso/initcpio/install/parabolaiso_pxe_http
@@ -0,0 +1,15 @@
+#!/bin/bash
+
+build() {
+    add_runscript
+
+    add_binary curl
+}
+
+help() {
+cat<<HELPEOF
+  This hook loads the necessary modules for boot via PXE and HTTP.
+HELPEOF
+}
+
+# vim: set ft=sh ts=4 sw=4 et:
diff --git a/parabolaiso/initcpio/install/parabolaiso_pxe_nbd b/parabolaiso/initcpio/install/parabolaiso_pxe_nbd
new file mode 100644
index 0000000..47d98ce
--- /dev/null
+++ b/parabolaiso/initcpio/install/parabolaiso_pxe_nbd
@@ -0,0 +1,17 @@
+#!/bin/bash
+
+build() {
+    add_module "nbd"
+
+    add_runscript
+
+    add_binary nbd-client
+}
+
+help() {
+cat<<HELPEOF
+  This hook loads the necessary modules for boot via PXE and NBD.
+HELPEOF
+}
+
+# vim: set ft=sh ts=4 sw=4 et:
diff --git a/parabolaiso/initcpio/install/parabolaiso_pxe_nfs b/parabolaiso/initcpio/install/parabolaiso_pxe_nfs
new file mode 100644
index 0000000..f8226e5
--- /dev/null
+++ b/parabolaiso/initcpio/install/parabolaiso_pxe_nfs
@@ -0,0 +1,17 @@
+#!/bin/bash
+
+build() {
+    add_module "nfs"
+
+    add_runscript
+
+    add_binary /usr/lib/initcpio/nfsmount /bin/nfsmount
+}
+
+help() {
+    cat <<HELPEOF
+  This hook loads the necessary modules for boot via PXE and NFS.
+HELPEOF
+}
+
+# vim: set ft=sh ts=4 sw=4 et:
diff --git a/parabolaiso/initcpio/install/parabolaiso_shutdown b/parabolaiso/initcpio/install/parabolaiso_shutdown
new file mode 100644
index 0000000..5ae976a
--- /dev/null
+++ b/parabolaiso/initcpio/install/parabolaiso_shutdown
@@ -0,0 +1,20 @@
+#!/bin/bash
+
+build() {
+    add_binary cp
+
+    add_runscript
+
+    add_file /usr/lib/initcpio/archiso_shutdown /shutdown
+}
+
+help() {
+    cat <<HELPEOF
+This hook will create a shutdown initramfs in /run/initramfs
+that we can pivot to on shutdown in order to unmount / and
+and others mount points, dm-snapshot devices and loopback devices.
+Mostly usefull for dm-snapshot persistent.
+HELPEOF
+}
+
+# vim: set ft=sh ts=4 sw=4 et:
diff --git a/parabolaiso/initcpio/script/parabolaiso_shutdown b/parabolaiso/initcpio/script/parabolaiso_shutdown
new file mode 100644
index 0000000..41b3945
--- /dev/null
+++ b/parabolaiso/initcpio/script/parabolaiso_shutdown
@@ -0,0 +1,37 @@
+#!/bin/ash
+
+# /oldroot depends on things inside /oldroot/run/archiso...
+mkdir /oldrun
+mount -n --move /oldroot/run /oldrun
+
+# Unmount all mounts now.
+umount $(mount | awk '$3 ~/^\/oldroot/ {print $3}' | sort -r)
+
+# Remove all dm-snapshot devices.
+dmsetup remove_all
+
+# Remove all loopback devices.
+for _lup in $(grep ^/dev/loop /oldrun/archiso/used_block_devices | tac); do
+    if ! losetup -d ${_lup} 2> /dev/null; then
+        umount -d ${_lup}
+    fi
+done
+
+# Unmount the space used to store *.cow.
+umount /oldrun/archiso/cowspace
+
+# Unmount boot device if needed (no copytoram=y used)
+if [[ ! -d /oldrun/archiso/copytoram ]]; then
+    if [[ -d /oldrun/archiso/img_dev ]]; then
+        umount /oldrun/archiso/img_dev
+    else
+        umount /oldrun/archiso/bootmnt
+    fi
+fi
+
+# reboot / poweroff / halt, depending on the argument passed by init
+# if something invalid is passed, we halt
+case "$1" in
+  reboot|poweroff|halt) "$1" -f ;;
+  *) halt -f;;
+esac
diff --git a/parabolaiso/mkparabolaiso b/parabolaiso/mkparabolaiso
new file mode 100755
index 0000000..fa32b62
--- /dev/null
+++ b/parabolaiso/mkparabolaiso
@@ -0,0 +1,584 @@
+#!/bin/bash
+
+set -e -u
+
+export LANG=C
+
+app_name=${0##*/}
+arch=$(uname -m)
+pkg_list=""
+run_cmd=""
+quiet="y"
+pacman_conf="/etc/pacman.conf"
+export iso_label="ARCH_$(date +%Y%m)"
+iso_publisher="Arch Linux <http://www.archlinux.org>"
+iso_application="Arch Linux Live/Rescue CD"
+install_dir="arch"
+work_dir="work"
+out_dir="out"
+
+# Show an INFO message
+# $1: message string
+_msg_info() {
+    local _msg="${1}"
+    echo "[mkarchiso] INFO: ${_msg}"
+}
+
+# Show an ERROR message then exit with status
+# $1: message string
+# $2: exit code number (with 0 does not exit)
+_msg_error() {
+    local _msg="${1}"
+    local _error=${2}
+    echo
+    echo "[mkarchiso] ERROR: ${_msg}"
+    echo
+    if [[ ${_error} -gt 0 ]]; then
+        exit ${_error}
+    fi
+}
+
+# Show space usage similar to df, but better formatted.
+# $1: mount-point or mounted device.
+_show_space_usage () {
+    local _where="${1}"
+    local _fs _total _used _avail _pct_u=0 _mnt
+    read _fs _total _used _avail _pct_u _mnt < <(df -m "${_where}" | tail -1) &> /dev/null
+    _msg_info "Total: ${_total} MiB (100%) | Used: ${_used} MiB (${_pct_u}) | Avail: ${_avail} MiB ($((100 - ${_pct_u%\%}))%)"
+}
+
+_chroot_mount () {
+    mount -t devtmpfs dev "${work_dir}/root-image/dev"
+    mount -t devpts devpts "${work_dir}/root-image/dev/pts"
+    mount -t tmpfs devshm "${work_dir}/root-image/dev/shm"
+    mount -t proc proc "${work_dir}/root-image/proc"
+    mount -t tmpfs run "${work_dir}/root-image/run"
+    mount -t sysfs sys "${work_dir}/root-image/sys"
+    mount -t tmpfs tmp "${work_dir}/root-image/tmp"
+
+    trap '_chroot_umount' EXIT HUP INT TERM
+}
+
+_chroot_umount () {
+    umount "${work_dir}/root-image/tmp"
+    umount "${work_dir}/root-image/sys"
+    umount "${work_dir}/root-image/run"
+    umount "${work_dir}/root-image/proc"
+    umount "${work_dir}/root-image/dev/shm"
+    umount "${work_dir}/root-image/dev/pts"
+    umount "${work_dir}/root-image/dev"
+
+    trap - EXIT HUP INT TERM
+}
+
+_chroot_init() {
+    if [[ ! -d ${work_dir}/root-image/var/cache/pacman ]]; then
+        mkdir -p ${work_dir}/root-image/{dev,proc,run,sys,tmp,var/lib/pacman}
+        _pacman "base"
+        _pacman "syslinux"
+    fi
+}
+
+_chroot_run() {
+    _chroot_mount
+    eval chroot ${work_dir}/root-image "${run_cmd}"
+    _chroot_umount
+}
+
+# Mount a filesystem (trap signals in case of error for unmounting it
+# $1: source image
+# $2: mount-point
+_mount_fs() {
+    local _src="${1}"
+    local _dst="${2}"
+    trap "_umount_fs ${_src}" EXIT HUP INT TERM
+    mkdir -p "${_dst}"
+    _msg_info "Mounting '${_src}' on '${_dst}'"
+    mount "${_src}" "${_dst}"
+    _show_space_usage "${_dst}"
+}
+
+# Unmount a filesystem (and untrap signals)
+# $1: mount-point or device/image
+_umount_fs() {
+    local _dst="${1}"
+    _show_space_usage "${_dst}"
+    _msg_info "Unmounting '${_dst}'"
+    umount "${_dst}"
+    rmdir "${_dst}"
+    trap - EXIT HUP INT TERM
+}
+
+# Compare if a file/directory (source) is newer than other file (target)
+# $1: source file/directory
+# $2: target file
+# return: 0 if target does not exists or if target is older than source.
+#         1 if target is newer than source
+_is_directory_changed() {
+    local _src="${1}"
+    local _dst="${2}"
+
+    if [ -e "${_dst}" ]; then
+        if [[ $(find ${_src} -newer ${_dst} | wc -l) -gt 0 ]]; then
+            _msg_info "Target '${_dst}' is older than '${_src}', updating."
+            rm -f "${_dst}"
+            return 0
+        else
+            _msg_info "Target '${_dst}' is up to date with '${_src}', skipping."
+            return 1
+        fi
+    else
+        _msg_info "Target '${_dst}' does not exist, making it from '${_src}'"
+        return 0
+    fi
+}
+
+# Show help usage, with an exit status.
+# $1: exit status number.
+_usage ()
+{
+    echo "usage ${app_name} [options] command <command options>"
+    echo " general options:"
+    echo "    -p PACKAGE(S)    Package(s) to install, can be used multiple times"
+    echo "    -r <command>     Run <command> inside root-image"
+    echo "    -C <file>        Config file for pacman."
+    echo "                     Default: '${pacman_conf}'"
+    echo "    -L <label>       Set a label for the disk"
+    echo "                     Default: '${iso_label}'"
+    echo "    -P <publisher>   Set a publisher for the disk"
+    echo "                     Default: '${iso_publisher}'"
+    echo "    -A <application> Set an application name for the disk"
+    echo "                     Default: '${iso_application}'"
+    echo "    -D <install_dir> Set an install_dir. All files will by located here."
+    echo "                     Default: '${install_dir}'"
+    echo "                     NOTE: Max 8 characters, use only [a-z0-9]"
+    echo "    -w <work_dir>    Set the working directory"
+    echo "                     Default: '${work_dir}'"
+    echo "    -o <out_dir>     Set the output directory"
+    echo "                     Default: '${out_dir}'"
+    echo "    -v               Enable verbose output"
+    echo "    -h               This message"
+    echo " commands:"
+    echo "   init"
+    echo "      Make base layout and install base group"
+    echo "   install"
+    echo "      Install all specified packages (-p)"
+    echo "   run"
+    echo "      run command specified by -r"
+    echo "   prepare"
+    echo "      build all images"
+    echo "   checksum"
+    echo "      make a checksum.md5 for self-test"
+    echo "   pkglist"
+    echo "      make a pkglist.txt of packages installed on root-image"
+    echo "   iso <image name>"
+    echo "      build an iso image from the working dir"
+    exit ${1}
+}
+
+# Shows configuration according to command mode.
+# $1: init | install | run | prepare | checksum | iso
+_show_config () {
+    local _mode="$1"
+    echo
+    _msg_info "Configuration settings"
+    _msg_info "                  Command:   ${command_name}"
+    _msg_info "             Architecture:   ${arch}"
+    _msg_info "        Working directory:   ${work_dir}"
+    _msg_info "   Installation directory:   ${install_dir}"
+    case "${_mode}" in
+        init)
+            _msg_info "       Pacman config file:   ${pacman_conf}"
+            ;;
+        install)
+            _msg_info "       Pacman config file:   ${pacman_conf}"
+            _msg_info "                 Packages:   ${pkg_list}"
+            ;;
+        run)
+            _msg_info "              Run command:   ${run_cmd}"
+            ;;
+        prepare)
+            ;;
+        checksum)
+            ;;
+        pkglist)
+            ;;
+        iso)
+            _msg_info "               Image name:   ${img_name}"
+            _msg_info "               Disk label:   ${iso_label}"
+            _msg_info "           Disk publisher:   ${iso_publisher}"
+            _msg_info "         Disk application:   ${iso_application}"
+            ;;
+    esac
+    echo
+}
+
+# Install desired packages to root-image
+_pacman ()
+{
+    _msg_info "Installing packages to '${work_dir}/root-image/'..."
+
+    _chroot_mount
+
+    if [[ "${quiet}" = "y" ]]; then
+        pacman -Sy -r "${work_dir}/root-image" --config "${pacman_conf}" --needed --noconfirm $* &> /dev/null
+    else
+        pacman -Sy -r "${work_dir}/root-image" --config "${pacman_conf}" --needed --noconfirm $*
+    fi
+
+    _chroot_umount
+
+    _msg_info "Packages installed successfully!"
+}
+
+# Cleanup root-image
+_cleanup () {
+    _msg_info "Cleaning up what we can on root-image..."
+
+    # Delete initcpio image(s)
+    if [[ -d "${work_dir}/root-image/boot" ]]; then 
+        find "${work_dir}/root-image/boot" -type f -name '*.img' -delete
+    fi
+    # Delete kernel(s)
+    if [[ -d "${work_dir}/root-image/boot" ]]; then
+        find "${work_dir}/root-image/boot" -type f -name 'vmlinuz*' -delete
+    fi
+    # Delete pacman database sync cache files (*.tar.gz)
+    if [[ -d "${work_dir}/root-image/var/lib/pacman" ]]; then
+        find "${work_dir}/root-image/var/lib/pacman" -maxdepth 1 -type f -delete
+    fi
+    # Delete pacman database sync cache
+    if [[ -d "${work_dir}/root-image/var/lib/pacman/sync" ]]; then
+        find "${work_dir}/root-image/var/lib/pacman/sync" -delete
+    fi
+    # Delete pacman package cache
+    if [[ -d "${work_dir}/root-image/var/cache/pacman/pkg" ]]; then
+        find "${work_dir}/root-image/var/cache/pacman/pkg" -type f -delete
+    fi
+    # Delete all log files, keeps empty dirs.
+    if [[ -d "${work_dir}/root-image/var/log" ]]; then
+        find "${work_dir}/root-image/var/log" -type f -delete
+    fi
+    # Avoid journald use permanent storage (Storage=auto)
+    if [[ -d "${work_dir}/root-image/var/log/journal" ]]; then
+       rm -rf "${work_dir}/root-image/var/log/journal"
+    fi
+    # Delete all temporary files and dirs
+    if [[ -d "${work_dir}/root-image/var/tmp" ]]; then
+        find "${work_dir}/root-image/var/tmp" -mindepth 1 -delete
+    fi
+    # Delete package pacman related files.
+    find "${work_dir}" \( -name "*.pacnew" -o -name "*.pacsave" -o -name "*.pacorig" \) -delete
+    _msg_info "Done!"
+}
+
+# Makes a SquashFS filesystem image of file/directory passes as argument with desired compression.
+# $1: Source file/directory
+# $2: SquashFS compression type (gzip | lzo | xz)
+_mksfs () {
+    local _src="${1}"
+    local _sfs_comp="${2}"
+
+    if [[ ! -e "${work_dir}/${_src}" ]]; then
+        _msg_error "The path '${work_dir}/${_src}' does not exist" 1
+    fi
+
+    local _sfs_img="${work_dir}/${_src}.sfs"
+
+    _msg_info "Creating SquashFS image for '${work_dir}/${_src}', This may take some time..."
+    local _seconds=${SECONDS}
+    if [[ "${quiet}" = "y" ]]; then
+        mksquashfs "${work_dir}/${_src}" "${_sfs_img}" -noappend -comp "${_sfs_comp}" -no-progress &> /dev/null
+    else
+        mksquashfs "${work_dir}/${_src}" "${_sfs_img}" -noappend -comp "${_sfs_comp}" -no-progress
+    fi
+    _seconds=$((SECONDS - _seconds))
+    printf "[mkarchiso] INFO: Image creation done in %02d:%02d minutes\n" $((_seconds / 60)) $((_seconds % 60))
+}
+
+# Makes a filesystem from a source directory.
+# $1: Source directory
+# $2: Target filesystem type (ext4 | ext3 | ext2 | xfs | btrfs)
+# $3: Size of target filesystem. Can be an absolute value in MiB, or relative value of desired free space (1% - 99%)
+_mkfs () {
+    local _src="${1}"
+    local _fs_type="${2}"
+    local _fs_size="${3}"
+
+    local _fs_src="${work_dir}/${_src}"
+    local _fs_img="${work_dir}/${_src}.fs"
+
+    if [[ ! -e "${_fs_src}" ]]; then
+        _msg_error "The path '${_fs_src}' does not exist" 1
+    fi
+
+    local _spc_used
+    _spc_used=$(du -sxm "${_fs_src}" | awk '{print $1}')
+
+    # Caculate FS size with desired % of free space, adds 10% overhead to used space.
+    if [[ ${_fs_size} != ${_fs_size%\%} ]]; then
+        if [[ ${_fs_size%\%} -le 0 || ${_fs_size%\%} -ge 100 ]]; then
+            _msg_error "Invalid percentage of free space specified '${_fs_size}' on '${_src}', should be 0% < x < 100%" 1
+        fi
+        _fs_size=$((_spc_used * 110 / (100 - ${_fs_size%\%})))
+    else
+        local _spc_used_over=$((_spc_used * 11 / 10))
+        if [[ ${_fs_size} -lt ${_spc_used_over} ]]; then
+            _msg_error "Filesystem size specified '${_fs_size}' MiB for '${_src}' is too small, must be at least '${_spc_used_over}' MiB" 1
+        fi
+    fi
+
+    _msg_info "Creating ${_fs_type} image of ${_fs_size} MiB..."
+    rm -f "${_fs_img}"
+    truncate -s ${_fs_size}M "${_fs_img}"
+    local _qflag=""
+    if [[ ${quiet} == "y" ]]; then
+        _qflag="-q"
+    fi
+    case "${_fs_type}" in
+        ext4)
+            mkfs.ext4 ${_qflag} -O ^has_journal -E lazy_itable_init=0 -m 0 -F "${_fs_img}"
+            tune2fs -c 0 -i 0 "${_fs_img}" &> /dev/null
+            ;;
+        ext3)
+            mkfs.ext3 ${_qflag} -m 0 -F "${_fs_img}"
+            tune2fs -c 0 -i 0 "${_fs_img}" &> /dev/null
+            ;;
+        ext2)
+            mkfs.ext2 ${_qflag} -m 0 -F "${_fs_img}"
+            tune2fs -c 0 -i 0 "${_fs_img}" &> /dev/null
+            ;;
+        xfs)
+            mkfs.xfs ${_qflag} "${_fs_img}"
+            ;;
+        btrfs)
+            mkfs.btrfs -M "${_fs_img}"
+            ;;
+        *)
+            _msg_error "Invalid filesystem: ${_fs_type}" 1
+            ;;
+    esac
+    _msg_info "Done!"
+    _mount_fs "${_fs_img}" "${work_dir}/mnt/${_src}"
+    _msg_info "Copying '${_fs_src}/' to '${work_dir}/mnt/${_src}/'..."
+    cp -aT "${_fs_src}/" "${work_dir}/mnt/${_src}/"
+    _msg_info "Done!"
+    _umount_fs "${work_dir}/mnt/${_src}"
+}
+
+command_checksum () {
+    _show_config checksum
+
+    local _chk_arch
+
+    for _chk_arch in i686 x86_64; do
+        if _is_directory_changed "${work_dir}/iso/${install_dir}" "${work_dir}/iso/${install_dir}/checksum.${_chk_arch}.md5"; then
+            _msg_info "Creating checksum file for self-test (${_chk_arch})..."
+            cd "${work_dir}/iso/${install_dir}"
+            if [[ -d "${_chk_arch}" ]]; then
+                md5sum aitab > checksum.${_chk_arch}.md5
+                find ${_chk_arch} -type f -print0 | xargs -0 md5sum >> checksum.${_chk_arch}.md5
+                if [[ -d "any" ]]; then
+                    find any -type f -print0 | xargs -0 md5sum >> checksum.${_chk_arch}.md5
+                fi
+            fi
+            cd ${OLDPWD}
+            _msg_info "Done!"
+        fi
+    done
+}
+
+command_pkglist () {
+    _show_config pkglist
+
+    if _is_directory_changed "${work_dir}/root-image/var/lib/pacman/local" "${work_dir}/iso/${install_dir}/pkglist.${arch}.txt"; then
+        _msg_info "Creating a list of installed packages on live-enviroment..."
+        pacman -Sl -r "${work_dir}/root-image" --config "${pacman_conf}" | \
+            awk '/\[installed\]$/ {print $1 "/" $2 "-" $3}' > \
+            "${work_dir}/iso/${install_dir}/pkglist.${arch}.txt"
+        _msg_info "Done!"
+    fi
+
+}
+
+# Create an ISO9660 filesystem from "iso" directory.
+command_iso () {
+    local _iso_efi_boot_args=""
+
+    if [[ ! -f "${work_dir}/iso/isolinux/isolinux.bin" ]]; then
+         _msg_error "The file '${work_dir}/iso/isolinux/isolinux.bin' does not exist." 1
+    fi
+    if [[ ! -f "${work_dir}/iso/isolinux/isohdpfx.bin" ]]; then
+         _msg_error "The file '${work_dir}/iso/isolinux/isohdpfx.bin' does not exist." 1
+    fi
+
+    # If exists, add an EFI "El Torito" boot image (FAT filesystem) to ISO-9660 image.
+    if [[ -f "${work_dir}/iso/EFI/archiso/efiboot.img" ]]; then
+        _iso_efi_boot_args="--efi-boot EFI/archiso/efiboot.img"
+    fi
+
+    _show_config iso
+
+    if _is_directory_changed "${work_dir}/iso" "${out_dir}/${img_name}"; then
+        mkdir -p ${out_dir}
+        _msg_info "Creating ISO image..."
+        local _qflag=""
+        if [[ ${quiet} == "y" ]]; then
+            _qflag="-quiet"
+        fi
+        xorriso -as mkisofs ${_qflag} \
+            -iso-level 3 \
+            -full-iso9660-filenames \
+            -volid "${iso_label}" \
+            -appid "${iso_application}" \
+            -publisher "${iso_publisher}" \
+            -preparer "prepared by mkarchiso" \
+            -eltorito-boot isolinux/isolinux.bin \
+            -eltorito-catalog isolinux/boot.cat \
+            -no-emul-boot -boot-load-size 4 -boot-info-table \
+            ${_iso_efi_boot_args} \
+            -isohybrid-mbr ${work_dir}/iso/isolinux/isohdpfx.bin \
+            -output "${out_dir}/${img_name}" \
+            "${work_dir}/iso/"
+        _msg_info "Done! | $(ls -sh ${out_dir}/${img_name})"
+    fi
+}
+
+# Parse aitab and create each filesystem specified on that, and push it in "iso" directory.
+command_prepare () {
+    if [[ ! -f "${work_dir}/iso/${install_dir}/aitab" ]]; then
+         _msg_error "The file '${work_dir}/iso/${install_dir}/aitab' does not exist." 1
+    fi
+    _show_config prepare
+
+    _cleanup
+    local _aitab_img _aitab_mnt _aitab_arch _aitab_sfs_comp _aitab_fs_type _aitab_fs_size
+    while read _aitab_img _aitab_mnt _aitab_arch _aitab_sfs_comp _aitab_fs_type _aitab_fs_size ; do
+        if [[ ${_aitab_img} =~ ^# ]]; then
+            continue
+        fi
+        if [[ "${_aitab_arch}" != "any" && "${_aitab_arch}" != "${arch}" ]]; then
+            continue
+        fi
+        local _src="${work_dir}/${_aitab_img}"
+        local _dst="${work_dir}/iso/${install_dir}/${_aitab_arch}"
+        mkdir -p "${_dst}"
+        if [[ ${_aitab_fs_type} != "none" ]]; then
+            if _is_directory_changed "${_src}" "${_dst}/${_aitab_img}.fs.sfs"; then
+                _mkfs ${_aitab_img} ${_aitab_fs_type} ${_aitab_fs_size}
+                _mksfs ${_aitab_img}.fs ${_aitab_sfs_comp}
+                mv "${_src}.fs.sfs" "${_dst}"
+                rm "${_src}.fs"
+            fi
+        else
+            if _is_directory_changed "${_src}" "${_dst}/${_aitab_img}.sfs"; then
+                _mksfs ${_aitab_img} ${_aitab_sfs_comp}
+                mv "${work_dir}/${_aitab_img}.sfs" "${_dst}"
+            fi
+        fi
+    done < "${work_dir}/iso/${install_dir}/aitab"
+}
+
+# Install packages on root-image.
+# A basic check to avoid double execution/reinstallation is done via hashing package names.
+command_install () {
+    if [[ ! -f "${pacman_conf}" ]]; then
+        _msg_error "Pacman config file '${pacman_conf}' does not exist" 1
+    fi
+
+    #trim spaces
+    pkg_list="$(echo ${pkg_list})"
+
+    if [[ -z ${pkg_list} ]]; then
+        _msg_error "Packages must be specified" 0
+        _usage 1
+    fi
+
+    _show_config install
+
+    local _pkg_list_hash
+    _pkg_list_hash=$(echo ${pkg_list} | sort -u | md5sum | cut -c1-32)
+    if [[ -f "${work_dir}/install.${_pkg_list_hash}" ]]; then
+        _msg_info "These packages are already installed, skipping."
+    else
+        _pacman "${pkg_list}"
+        : > "${work_dir}/install.${_pkg_list_hash}"
+    fi
+}
+
+command_init() {
+    _show_config init
+    _chroot_init
+}
+
+command_run() {
+    _show_config run
+    _chroot_run
+}
+
+if [[ ${EUID} -ne 0 ]]; then
+    _msg_error "This script must be run as root." 1
+fi
+
+while getopts 'p:r:C:L:P:A:D:w:o:vh' arg; do
+    case "${arg}" in
+        p) pkg_list="${pkg_list} ${OPTARG}" ;;
+        r) run_cmd="${OPTARG}" ;;
+        C) pacman_conf="${OPTARG}" ;;
+        L) iso_label="${OPTARG}" ;;
+        P) iso_publisher="${OPTARG}" ;;
+        A) iso_application="${OPTARG}" ;;
+        D) install_dir="${OPTARG}" ;;
+        w) work_dir="${OPTARG}" ;;
+        o) out_dir="${OPTARG}" ;;
+        v) quiet="n" ;;
+        h|?) _usage 0 ;;
+        *)
+            _msg_error "Invalid argument '${arg}'" 0
+            _usage 1
+            ;;
+    esac
+done
+
+shift $((OPTIND - 1))
+
+if [[ $# -lt 1 ]]; then
+    _msg_error "No command specified" 0
+    _usage 1
+fi
+command_name="${1}"
+
+case "${command_name}" in
+    init)
+        command_init
+        ;;
+    install)
+        command_install
+        ;;
+    run)
+        command_run
+        ;;
+    prepare)
+        command_prepare
+        ;;
+    checksum)
+        command_checksum
+        ;;
+    pkglist)
+        command_pkglist
+        ;;
+    iso)
+        if [[ $# -lt 2 ]]; then
+            _msg_error "No image specified" 0
+            _usage 1
+        fi
+        img_name="${2}"
+        command_iso
+        ;;
+    *)
+        _msg_error "Invalid command name '${command_name}'" 0
+        _usage 1
+        ;;
+esac
+
+# vim:ts=4:sw=4:et:
-- 
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