From 4771e2a4a59b13b8e06d58038550a30ac6db001c Mon Sep 17 00:00:00 2001
From: Marcelo Politzer Couto <mpolitzer.c@gmail.com>
Date: Wed, 29 Sep 2021 02:45:22 -0300
Subject: [PATCH] (=) Bugfix isopath => iso_path.

---
 boot/grub/script/autoiso.cfg | 50 ++++++++++++++++++------------------
 release                      |  5 ++++
 2 files changed, 30 insertions(+), 25 deletions(-)
 create mode 100755 release

diff --git a/boot/grub/script/autoiso.cfg b/boot/grub/script/autoiso.cfg
index ea9bd29..7ed6594 100755
--- a/boot/grub/script/autoiso.cfg
+++ b/boot/grub/script/autoiso.cfg
@@ -14,12 +14,14 @@
 # You should have received a copy of the GNU General Public License
 # along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
 
+# NOTE: iso_path sometimes has a special meaning to the next stage of the boot.
+
 function pathname { regexp -s 2:"$2" '^(\(.*\))/*(/.*)$' "$1"; }
 function devname  { regexp -s "$2" '^(\(.*\)).*$' "$1"; }
 
 function isolinux_iso_entry {
     realdev="$1"
-    isopath="$2"
+    iso_path="$2"
     loopdev="$3"
 
     if test -f /boot/isolinux/isolinux.cfg; then
@@ -34,15 +36,15 @@ function isolinux_iso_entry {
         return 1;
     fi
 
-    echo isolinux based $isopath: yes
+    echo isolinux based $iso_path: yes
     probe -s label -l $realdev
-    menuentry "${indent}${isopath} (isolinux)" "$realdev" "$isopath" "$cfgpath" {
+    menuentry "${indent}${iso_path} (isolinux)" "$realdev" "$iso_path" "$cfgpath" {
         set device="$2"
-        set isopath="$3"
+        set iso_path="$3"
         set cfgpath="$4"
 
         probe -s rootuuid -u $device
-        loopback loop "${device}${isopath}"
+        loopback loop "${device}${iso_path}"
         set root=(loop)
 
         # this flag requires a hacked grub!!
@@ -51,31 +53,31 @@ function isolinux_iso_entry {
         set linux_extra="$langset"
 
         # arch based
-        set linux_extra="${linux_extra} img_dev=/dev/disk/by-uuid/$rootuuid img_loop=$isopath earlymodules=loop"
+        set linux_extra="${linux_extra} img_dev=/dev/disk/by-uuid/$rootuuid img_loop=$iso_path earlymodules=loop"
 
         # gentoo based
-        set linux_extra="${linux_extra} isofrom=$isopath"
+        set linux_extra="${linux_extra} isofrom=$iso_path"
 
         # ubuntu based, fedora, opensuse, rosa
-        set linux_extra="${linux_extra} iso-scan/filename=$isopath"
+        set linux_extra="${linux_extra} iso-scan/filename=$iso_path"
 
         # antiX based
-        set linux_extra="${linux_extra} from=all fromiso=$isopath"
+        set linux_extra="${linux_extra} from=all fromiso=$iso_path"
 
         # Grml Live Linux
-        set linux_extra="${linux_extra} findiso=$isopath"
+        set linux_extra="${linux_extra} findiso=$iso_path"
 
         # sysrcd
-        set linux_extra="${linux_extra} isoloop=$isopath"
+        set linux_extra="${linux_extra} isoloop=$iso_path"
 
         # MagOS Linux (UIRD)
-        set linux_extra="${linux_extra} uird.from=${isopath},/MagOS uird.force scantimeout=3"
+        set linux_extra="${linux_extra} uird.from=${iso_path},/MagOS uird.force scantimeout=3"
 
         # TODO: SUSE based
-        set linux_extra="${linux_extra} isofrom_device=/dev/disk/by-uuid/$rootuuid isofrom_system=$isopath"
+        set linux_extra="${linux_extra} isofrom_device=/dev/disk/by-uuid/$rootuuid isofrom_system=$iso_path"
 
         # others?
-        set linux_extra="${linux_extra} isoboot=$isopath"
+        set linux_extra="${linux_extra} isoboot=$iso_path"
 
         export linux_extra
         syslinux_configfile $cfgpath
@@ -85,7 +87,7 @@ function isolinux_iso_entry {
 
 function loopback_iso_entry {
     realdev="$1"
-    isopath="$2"
+    iso_path="$2"
     loopdev="$3"
 
     if test -f /boot/grub/loopback.cfg; then
@@ -96,19 +98,17 @@ function loopback_iso_entry {
         return 1
     fi
 
-    echo loopback.cfg $isopath: yes
-    probe -s label -l $realdev
-    menuentry "${indent}${isopath} (loopback)" "$realdev" "$isopath" "$cfgpath" {
+    echo loopback.cfg $iso_path: yes
+    menuentry "${indent}${iso_path} (loopback)" "$realdev" "$iso_path" "$cfgpath" {
         set device="$2"
-        set isopath="$3"
+        set iso_path="$3"
         set cfgpath="$4"
 
-        loopback loop "${device}${isopath}"
+        loopback loop "${device}${iso_path}"
         set root=(loop)
 
         probe -s rootuuid -u $device
-        set isopath="$isopath $langset"
-        export isopath
+        export iso_path
 
         configfile $cfgpath
         loopback -d loop
@@ -125,15 +125,15 @@ function scan_isos {
             for file in ${dev}${dir}/*.iso ${dev}${dir}/*.ISO; do
                 if ! test -f "$file"; then continue; fi
 
-                pathname $file isopath
+                pathname $file iso_path
 
                 if ! loopback loopdev_scan "$file"; then continue; fi
                 saved_root=$root
                 set root=(loopdev_scan)
 
                 if false; then true;
-                elif loopback_iso_entry $dev $isopath (loopdev_scan); then true;
-                elif isolinux_iso_entry $dev $isopath (loopdev_scan); then true;
+                elif loopback_iso_entry $dev $iso_path (loopdev_scan); then true;
+                elif isolinux_iso_entry $dev $iso_path (loopdev_scan); then true;
                 else true; fi
 
                 set root=$saved_root
diff --git a/release b/release
new file mode 100755
index 0000000..2b28322
--- /dev/null
+++ b/release
@@ -0,0 +1,5 @@
+pushd grub && {
+	./grub-install --boot-directory=../boot dummy.img
+	popd
+}
+tar cvf grub-iso-multiboot.tar.gz boot/