[configs/releng] Support configurable build options via command line

usage ./build.sh [options] command <command options>

 General options:
    -N <iso_name>      Set an iso filename (prefix)
                        Default: archlinux
    -V <iso_version>   Set an iso version (in filename)
                        Default: 2011.08.18
    -L <iso_label>     Set an iso label (disk label)
                        Default: ARCH_201108
    -D <install_dir>   Set an install_dir (directory inside iso)
                        Default: arch
    -w <work_dir>      Set the working directory
                        Default: work
    -o <out_dir>       Set the output directory
                        Default: out
    -v                 Enable verbose output
    -h                 This help message

 Commands:
   build <mode> <type>
      Build selected .iso by <mode> and <type>
   purge <mode>
      Clean working directory except iso/ directory of build <mode>
   clean <mode>
      Clean working directory and .iso file in output directory of build <mode>

 Command options:
         <mode> Valid values 'single' or 'dual'
         <type> Valid values 'netinstall', 'core' or 'all'

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

1 files changed, 8 insertions, 7 deletions

diff --git a/README b/README
index 97b5f77..88b3243 100644
--- a/README
+++ b/README
@@ -240,23 +240,24 @@ Note: These steps should be done with 64 bits support.
 * Enter 32 bits chroot enviroment then build core and netinstall single images.
 
   [chroot32] # linux32 mkarchroot -r bash /tmp/chroot32
-  [chroot32] # mknod /dev/loop1032 b 7 1032 #assumed loop.max_part=0 (by default)
+  [chroot32] # mknod /dev/loop1032 b 7 1032  # assumed loop.max_part=0 (by default)
   [chroot32] # cp -r /usr/share/archiso/configs/releng /tmp
   [chroot32] # cd /tmp/releng
-  [chroot32] # ./build.sh all_iso_single
-  [chroot32] # ./build.sh purge_single #optional
+  [chroot32] # ./build.sh build single all
+  [chroot32] # ./build.sh purge single       # optional step
 
 * Enter 64 bits chroot enviroment then build core and netinstall single images.
 
   [chroot64] # mkarchroot -r bash /tmp/chroot64
-  [chroot64] # mknod /dev/loop1064 b 7 1064 #assumed loop.max_part=0 (by default)
+  [chroot64] # mknod /dev/loop1064 b 7 1064  # assumed loop.max_part=0 (by default)
   [chroot64] # cp -r /usr/share/archiso/configs/releng /tmp
   [chroot64] # cd /tmp/releng
-  [chroot64] # ./build.sh all_iso_single
-  [chroot64] # ./build.sh purge_single #optional
+  [chroot64] # ./build.sh build single all
+  [chroot64] # ./build.sh purge single       # optional step
 
 * Build core and netinstall dual images from any of the chroot enviroments.
 
   [host64] # mkarchroot -r bash /tmp/chroot64
   [chroot64] # cd /tmp/releng
-  [chroot64] # ./build.sh all_iso_dual
+  [chroot64] # ./build.sh build dual all
+  [chroot64] # ./build.sh purge dual         # optional step