Add external syslinux folder configuration files

conf/archlinux.conf

@@ -0,0 +1,4 @@
+# Archlinux syslinux folder configuration
+syslinux_mbr_bl_folder="/usr/lib/syslinux/bios"
+syslinux_efi_bl_folder="/usr/lib/syslinux"
+syslinux_modules_folder="/usr/lib/syslinux"

conf/debian.conf

@@ -0,0 +1,4 @@
+# Debian syslinux folder configuration
+syslinux_mbr_bl_folder="/usr/lib/SYSLINUX"
+syslinux_efi_bl_folder="/usr/lib/SYSLINUX.EFI"
+syslinux_modules_folder="/usr/lib/syslinux"

init.sh

@@ -15,8 +15,7 @@ repo_dir="repo"
 tmp_dir="tmp"
 current_dir=`pwd`
 # In Archlinux, this is default files for syslinux...
-syslinux_modules_dir="/usr/lib/syslinux"
-syslinux_efi_bootloader="/usr/lib/syslinux"
+conf_file="conf/archlinux.conf"
 key_mountpoint="/mnt/usbstick"
 device=""
 # constant
@@ -51,6 +50,16 @@ process_args() {
             -b|--bios)
                 boot_type="bios"
                 ;;
+            -c|--conf)
+                if [ -f $2 ]
+                then
+                    conf_file=$2
+                else
+                    printf "%s file not found" $2
+                    exit 1
+                fi
+                shift
+                ;;
             -d|--device)
                 if [ -b $2 ]
                 then
@@ -119,6 +128,15 @@ download (){
     fi
 }
 
+process_conf_file (){
+    for p in `cat $1 | grep '^[^#].*'`
+    do
+       var=`echo "$p" | awk -F"=" '{print $1}'`
+       param=`echo "$p" | awk -F"=" '{print $2}'`
+       eval $var=$param
+    done
+}
+
 create_dir(){
     # $1 directory to create
     if [ ! -d $1 ]
@@ -180,6 +198,12 @@ fi
 
 
 process_args $@
+process_conf_file $conf_file
+if [[ ! -d $syslinux_mbr_bl_folder || ! -d $syslinux_efi_bl_folder || ! -d $syslinux_modules_folder ]]
+then
+    printf "Bad folder configuration in %s\n" "$conf_file"
+    exit 1
+fi
 
 bootfiles_Debian="http://ftp.debian.org/debian/dists/jessie/main/installer-${debian_arch}/current/images/hd-media"
 iso_url="http://cdimage.debian.org/debian-cd/${debian_version}/${debian_arch}/iso-cd"
@@ -212,11 +236,11 @@ case $boot_type in
     efi64)
         syslinux_folder=${tmp_dir}/efi/EFI/boot
         create_dir $syslinux_folder
-        cp -T $syslinux_efi_bootloader/$boot_type/syslinux.efi $syslinux_folder/bootx64.efi &> /dev/null
+        cp -T $syslinux_efi_bl_folder/$boot_type/syslinux.efi $syslinux_folder/bootx64.efi &> /dev/null
         for file in $SYSLINUX_EFI_FILES
         do
             printf "copying %s \n" "$file"  
-            cp $syslinux_modules_dir/$boot_type/$file $syslinux_folder
+            cp $syslinux_modules_folder/$boot_type/$file $syslinux_folder 
         done
         cp $repo_path/{vmlinuz,initrd.gz} $tmp_dir/efi
         cp -R syslinux/syslinux.cfg $syslinux_folder &> /dev/null
@@ -228,7 +252,7 @@ case $boot_type in
         for file in $SYSLINUX_BIOS_FILES
         do
             prin tf "copying %s\n" "$file"   
-            cp $syslinux_modules_dir/$boot_type/$file $syslinux_folder
+            cp $syslinux_modules_folder/$boot_type/$file $syslinux_folder
         done
         cp $repo_path/{vmlinuz,initrd.gz} $tmp_dir
         cp -R syslinux  $tmp_dir &> /dev/null
@@ -238,7 +262,7 @@ esac
 for file in $SYSLINUX_FILES
 do
     printf "copying %s\n" "$file"    
-    cp $syslinux_modules_dir/$boot_type/$file $syslinux_folder
+    cp $syslinux_modules_folder/$boot_type/$file $syslinux_folder
 done
 
 echo Copying configurations files 
@@ -276,7 +300,7 @@ then
     then
         # In this mode, we need to write syslinux MBR.
         printf "Writing syslinux mbr.ini to %s\n"  "$device"
-        dd bs=440 count=1 conv=notrunc if=$syslinux_modules_dir/$boot_type/mbr.bin of=$device
+        dd bs=440 count=1 conv=notrunc if=$syslinux_mbr_bl_folder/mbr.bin of=$device
         sleep 2
         $SYSLINUX_EXE --directory /syslinux --install ${device}1
     fi