[archiso] Use dm-snapshot instead of aufs2 (A.K.A. "The Big Commit")

* Use device mapper + snapshot module, instead union layer filesystem.
  * A block-level approach vs vfs-level.
  * No more unofficial (Linux) things.
  * More memory is needed.
* Refactor mkarchiso.
* Refactor hooks/archiso.
* Fix install/archiso_pxe_nbd
  (due recent change in mkinitcpio-0.6.15 on checked_modules()/all_modules())
  [Thanks Dave for the improved workaround]
* New configs/releng to build official images.
  * Works with a Bash script instead of Makefile.
    (better control and easy to maintain)
* Remove configs/syslinux-iso.
* Remove archiso2dual script. Integrate functionality in configs/releng.
* New configs/baseline to build the most basic live medium or use as template.
* New README (draft). [Thanks Dieter for fixing english grammar]

Signed-off-by: Gerardo Exequiel Pozzi <vmlinuz386@yahoo.com.ar>

7 files changed, 97 insertions, 0 deletions

diff --git a/configs/releng/syslinux.dual/syslinux.cfg b/configs/releng/syslinux.dual/syslinux.cfg
new file mode 100644
index 0000000..ac92998
--- /dev/null
+++ b/configs/releng/syslinux.dual/syslinux.cfg
@@ -0,0 +1,12 @@
+DEFAULT choose
+PROMPT 0
+
+LABEL choose
+KERNEL ifcpu64.c32
+APPEND have64 -- nohave64
+
+LABEL have64
+CONFIG syslinux_both.cfg
+
+LABEL nohave64
+CONFIG syslinux_32only.cfg
diff --git a/configs/releng/syslinux.dual/syslinux_32only.cfg b/configs/releng/syslinux.dual/syslinux_32only.cfg
new file mode 100644
index 0000000..c7a452d
--- /dev/null
+++ b/configs/releng/syslinux.dual/syslinux_32only.cfg
@@ -0,0 +1,3 @@
+INCLUDE syslinux_head.cfg
+INCLUDE syslinux_arch32.cfg
+INCLUDE syslinux_tail.cfg
diff --git a/configs/releng/syslinux.dual/syslinux_arch32.cfg b/configs/releng/syslinux.dual/syslinux_arch32.cfg
new file mode 100644
index 0000000..6947d75
--- /dev/null
+++ b/configs/releng/syslinux.dual/syslinux_arch32.cfg
@@ -0,0 +1,11 @@
+LABEL arch32
+TEXT HELP
+Boot the Arch Linux (i686) live medium. It allows you to install Arch Linux or
+perform system maintenance.
+ENDTEXT
+MENU LABEL Boot Arch Linux (i686)
+LINUX /%INSTALL_DIR%/boot/i686/vmlinuz26
+INITRD /%INSTALL_DIR%/boot/i686/archiso.img
+APPEND archisobasedir=%INSTALL_DIR% archisolabel=%ARCHISO_LABEL%
+# Next line should be uncommented when prepare enviroment to boot from PXE.
+#IPAPPEND 3
diff --git a/configs/releng/syslinux.dual/syslinux_arch64.cfg b/configs/releng/syslinux.dual/syslinux_arch64.cfg
new file mode 100644
index 0000000..02ddc5a
--- /dev/null
+++ b/configs/releng/syslinux.dual/syslinux_arch64.cfg
@@ -0,0 +1,11 @@
+LABEL arch64
+TEXT HELP
+Boot the Arch Linux (x86_64) live medium. It allows you to install Arch Linux or
+perform system maintenance.
+ENDTEXT
+MENU LABEL Boot Arch Linux (x86_64)
+LINUX /%INSTALL_DIR%/boot/x86_64/vmlinuz26
+INITRD /%INSTALL_DIR%/boot/x86_64/archiso.img
+APPEND archisobasedir=%INSTALL_DIR% archisolabel=%ARCHISO_LABEL%
+# Next line should be uncommented when prepare enviroment to boot from PXE.
+#IPAPPEND 3
diff --git a/configs/releng/syslinux.dual/syslinux_both.cfg b/configs/releng/syslinux.dual/syslinux_both.cfg
new file mode 100644
index 0000000..9cd1584
--- /dev/null
+++ b/configs/releng/syslinux.dual/syslinux_both.cfg
@@ -0,0 +1,4 @@
+INCLUDE syslinux_head.cfg
+INCLUDE syslinux_arch32.cfg
+INCLUDE syslinux_arch64.cfg
+INCLUDE syslinux_tail.cfg
diff --git a/configs/releng/syslinux.dual/syslinux_head.cfg b/configs/releng/syslinux.dual/syslinux_head.cfg
new file mode 100644
index 0000000..2f692f8
--- /dev/null
+++ b/configs/releng/syslinux.dual/syslinux_head.cfg
@@ -0,0 +1,27 @@
+DEFAULT vesamenu.c32
+PROMPT 0
+MENU TITLE Arch Linux
+MENU BACKGROUND splash.png
+TIMEOUT 3000
+
+MENU WIDTH 78
+MENU MARGIN 4
+MENU ROWS 7
+MENU VSHIFT 10
+MENU TIMEOUTROW 13
+MENU TABMSGROW 11
+MENU CMDLINEROW 11
+MENU HELPMSGROW 16
+MENU HELPMSGENDROW 29
+
+# Refer to http://syslinux.zytor.com/wiki/index.php/Doc/menu
+
+MENU COLOR border       30;44   #40ffffff #a0000000 std
+MENU COLOR title        1;36;44 #9033ccff #a0000000 std
+MENU COLOR sel          7;37;40 #e0ffffff #20ffffff all
+MENU COLOR unsel        37;44   #50ffffff #a0000000 std
+MENU COLOR help         37;40   #c0ffffff #a0000000 std
+MENU COLOR timeout_msg  37;40   #80ffffff #00000000 std
+MENU COLOR timeout      1;37;40 #c0ffffff #00000000 std
+MENU COLOR msg07        37;40   #90ffffff #a0000000 std
+MENU COLOR tabmsg       31;40   #30ffffff #00000000 std
diff --git a/configs/releng/syslinux.dual/syslinux_tail.cfg b/configs/releng/syslinux.dual/syslinux_tail.cfg
new file mode 100644
index 0000000..7dd1270
--- /dev/null
+++ b/configs/releng/syslinux.dual/syslinux_tail.cfg
@@ -0,0 +1,29 @@
+LABEL existing
+TEXT HELP
+Boot an existing operating system. Press TAB to edit the disk and partition
+number to boot.
+ENDTEXT
+MENU LABEL Boot existing OS
+COM32 chain.c32
+APPEND hd0 0
+
+# http://www.memtest.org/
+LABEL memtest
+MENU LABEL Run Memtest86+ (RAM test)
+LINUX /%INSTALL_DIR%/boot/memtest
+
+# http://hdt-project.org/
+LABEL hdt
+MENU LABEL Hardware Information (HDT)
+COM32 hdt.c32
+APPEND modules_alias=hdt/modalias.gz pciids=hdt/pciids.gz
+
+LABEL reboot
+MENU LABEL Reboot
+COM32 reboot.c32
+
+LABEL poweroff
+MENU LABEL Power Off
+COMBOOT poweroff.com
+
+ONTIMEOUT arch32