* docs/autoiso.cfg: New file.

diff --git a/ChangeLog b/ChangeLog
index 5a98c7b8188ccc25e3ca0ec8a910d02c8e098797..6d3e25bdc2650b0fc696ac29aac3cf4aed802f40 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2013-10-27  BVK Chaitanya  <bvk.groups@gmail.com>
+
+       * docs/autoiso.cfg: New file.
+
 2013-10-27  Vladimir Serbinenko  <phcoder@gmail.com>
 
        * configure.ac: Remove leftover COND_BUILD_GRUB_MKFONT and

diff --git a/docs/autoiso.cfg b/docs/autoiso.cfg
new file mode 100644 (file)
index 0000000..9ce51c6
--- /dev/null
+++ b/docs/autoiso.cfg
@@ -0,0 +1,244 @@
+# Sample GRUB script to autodetect operating systems
+#
+# Copyright (C) 2010  Free Software Foundation, Inc.
+#
+# GRUB is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# GRUB is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+
+function pathname { regexp -s 2:"$2" '^(\(.*\))?(/.*)$' "$1"; }
+function devname  { regexp -s "$2" '^(\(.*\)).*$' "$1"; }
+
+function loopback_iso_entry {
+    realdev="$1"
+    isopath="$2"
+    loopdev="$3"
+
+    if test -f /boot/grub/loopback.cfg; then
+       cfgpath=/boot/grub/loopback.cfg
+    elif test -f /grub/loopback.cfg; then
+       cfgpath=/grub/loopback.cfg
+    else
+       return 1;
+    fi
+
+    echo loopback.cfg $isopath: yes
+    menuentry "Boot GRUB Loopback Config from ${realdev}${isopath}" "$realdev" "$isopath" "$cfgpath" {
+       set device="$2"
+       set iso_path="$3"
+       set cfg_path="$4"
+
+       export iso_path
+       loopback loopdev_cfg "${device}${iso_path}"
+       set root=(loopdev_cfg)
+       configfile $cfg_path
+       loopback -d loopdev_cfg
+    }
+    return 0
+}
+
+function grml_iso_entry {
+    realdev="$1"
+    isopath="$2"
+    loopdev="$3"
+
+    result=1
+    for dir in /boot/grml /boot/grmlsmall /boot/grmlmedium; do
+       if ! test -f ${dir}/linux26 -a -f ${dir}/initrd.gz; then continue; fi
+
+       echo grml $isopath: yes
+       result=0
+       menuentry "GRML Linux from ${realdev}${isopath}" \
+           "$realdev" "$isopath" "$dir" {
+           set device="$2"
+           set isopath="$3"
+           set grmldir="$4"
+
+           loopback loopdev_grml "${device}${isopath}"
+           set root=(loopdev_grml)
+           linux $grmldir/linux26 findiso="$isopath" apm=power-off quiet \
+               boot=live nomce
+           initrd $grmldir/initrd.gz
+           loopback -d loopdev_grml
+       }
+    done
+    return $result
+}
+
+function pmagic_iso_entry {
+    realdev="$1"
+    isopath="$2"
+    loopdev="$3"
+
+    if ! test -f /pmagic/bzImage -a -f /pmagic/initramfs; then return 1; fi
+
+    echo pmagic $isopath: yes
+    menuentry "Parted Magic from ${realdev}${isopath}" "$realdev" "$isopath" {
+       set device="$2"
+       set isopath="$3"
+
+       loopback loopdev_pmagic "${device}${isopath}"
+       set root=(loopdev_pmagic)
+       linux /pmagic/bzImage iso_filename="$isopath" edd=off noapic \
+           load_ramdisk=1 prompt_ramdisk=0 rw sleep=10 loglevel=0 \
+           keymap=$langcode
+       initrd /pmagic/initramfs
+       loopback -d loopdev_pmagic
+    }
+    return 0
+}
+
+function sidux_iso_entry {
+    realdev="$1"
+    isopath="$2"
+    loopdev="$3"
+
+    result=1
+    for kernel in /boot/vmlinuz-*-sidux-*; do
+       if ! test -f "$kernel"; then continue; fi
+       regexp -s 1:v1 -s 2:v2 '/boot/vmlinuz-(.*)-sidux-(.*)' "$kernel"
+
+       initrd="/boot/initrd.img-$v1-sidux-$v2"
+       if ! test -f "$initrd"; then continue; fi
+
+       result=0
+       echo sidux $isopath: yes
+       menuentry "Sidux vmlinux-$v1-sidux-$v2 from ${realdev}${isopath}" "$realdev" "$isopath" "$kernel" "$initrd" {
+           set device="$2"
+           set isopath="$3"
+           set kernel="$4"
+           set initrd="$5"
+
+           loopback loopdev_sidux "${device}${isopath}"
+           set root=(loopdev_sidux)
+           linux $kernel fromiso=$isopath boot=fll quiet
+           initrd $initrd
+           loopback -d loopdev_sidux
+       }
+    done
+    return $result
+}
+
+function slax_iso_entry {
+    realdev="$1"
+    isopath="$2"
+    loopdev="$3"
+
+    if ! test -f /boot/vmlinuz -a -f /boot/initrd.gz; then return 1; fi
+
+    echo slax $isopath: yes
+    menuentry "Slax Linux from ${realdev}${isopath}" "$realdev" "$isopath" {
+       set device="$2"
+       set isopath="$3"
+
+       loopback loopdev_slax "${device}${isopath}"
+       set root=(loopdev_slax)
+       linux /boot/vmlinuz from=$isopath ramdisk_size=6666 root=/dev/ram0 rw
+       initrd /boot/initrd.gz
+       loopback -d loopdev_slax
+    }
+    return 0
+}
+
+function tinycore_iso_entry {
+    realpath="$1"
+    isopath="$2"
+    loopdev="$3"
+
+    if ! test -f /boot/bzImage -a -f /boot/tinycore.gz; then return 1; fi
+
+    echo tinycore $isopath: yes
+    menuentry "Tinycore Linux from ${realdev}${isopath}" "$realdev" "$isopath" {
+       set device="$2"
+       set isopath="$3"
+
+       loopback loopdev_tiny "${device}${isopath}"
+       set root=(loopdev_tiny)
+       linux /boot/bzImage
+       initrd /boot/tinycore.gz
+       loopback -d loopdev_tiny
+    }
+    return 0
+}
+
+function casper_iso_entry {
+    realpath="$1"
+    isopath="$2"
+    loopdev="$3"
+
+    if ! test -f /casper/vmlinuz; then return 1; fi
+    initrd=
+    for f in /casper/initrd.*z; do
+       if ! test -f "$f"; then continue; fi
+       pathname "$f" initrd
+    done
+    if test -z "$initrd"; then return 1; fi
+
+    echo casper $isopath: yes
+    menuentry "Casper based Linux from ${realdev}${isopath}" "$realdev" "$isopath" "$initrd" {
+       set device="$2"
+       set isopath="$3"
+       set initrd="$4"
+
+       loopback loopdev_casper "${device}${isopath}"
+       set root=(loopdev_casper)
+       linux /casper/vmlinuz boot=casper iso-scan/filename="$isopath" quiet splash noprompt keyb="$langcode" \
+           debian-installer/language="$langcode" console-setup/layoutcode?="$langcode" --
+       initrd $initrd
+       loopback -d loopdev_casper
+    }
+    return 0
+}
+
+function scan_isos {
+    isodirs="$1"
+
+    for dev in (*); do
+       for dir in $isodirs; do
+           for file in ${dev}${dir}/*.iso ${dev}${dir}/*.ISO; do
+               if ! test -f "$file"; then continue; fi
+
+               pathname $file isopath
+               if test -z "$dev" -o -z "$isopath"; then continue; fi
+
+               if ! loopback loopdev_scan "$file"; then continue; fi
+               saved_root=$root
+               set root=(loopdev_scan)
+
+               if   loopback_iso_entry $dev $isopath (loopdev_scan); then true;
+               elif grml_iso_entry     $dev $isopath (loopdev_scan); then true;
+               elif pmagic_iso_entry   $dev $isopath (loopdev_scan); then true;
+               elif sidux_iso_entry    $dev $isopath (loopdev_scan); then true;
+               elif slax_iso_entry     $dev $isopath (loopdev_scan); then true;
+               elif tinycore_iso_entry $dev $isopath (loopdev_scan); then true;
+               elif casper_iso_entry   $dev $isopath (loopdev_scan); then true;
+               else true; fi
+
+               set root=$saved_root
+               loopback -d loopdev_scan
+           done
+       done
+    done
+    return 0
+}
+
+# XXX Remove later
+insmod serial
+serial
+terminal_output --append serial
+# terminal_input --append serial
+
+langcode="$lang"
+
+insmod regexp
+scan_isos /iso /boot/iso
+