buildiso: fix grub theme paths

lib/iso/chrootcfg.sh

@@ -143,10 +143,10 @@ write_unpackfs() {
     local yaml=$(write_yaml_header)
     yaml+=$(write_yaml_map 0 'unpack')
 #     if ${persist}; then
-#         yaml+=$(write_yaml_seq_map 2 'source' '"/run/bootmnt/LiveOS/rootfs.img"')
+#         yaml+=$(write_yaml_seq_map 2 'source' '"/run/artix/bootmnt/LiveOS/rootfs.img"')
 #         yaml+=$(write_yaml_map 4 'sourcefs' '"ext4"')
 #     else
-    yaml+=$(write_yaml_seq_map 2 'source' '"/run/bootmnt/LiveOS/rootfs.img"')
+    yaml+=$(write_yaml_seq_map 2 'source' '"/run/artix/bootmnt/LiveOS/rootfs.img"')
     yaml+=$(write_yaml_map 4 'sourcefs' '"squashfs"')
 #     fi
     yaml+=$(write_yaml_map 4 'destination' '""')

lib/iso/grub.sh

@@ -130,12 +130,15 @@ configure_grub(){
 
 prepare_grub(){
     local platform=i386-pc img='core.img' prefix=/boot/grub
-    local lib=$1/usr/lib/grub theme=$2/usr/share/grub
+    local lib="$1"/usr/lib/grub
+    local theme="$1"/usr/share/grub
+    local livecfg="$2"/usr/share/grub
     local grub=${iso_root}/boot/grub efi=${iso_root}/efi/boot
 
+
     prepare_dir ${grub}/${platform}
 
-    cp ${theme}/cfg/*.cfg ${grub}
+    cp ${livecfg}/cfg/*.cfg ${grub}
 
     cp ${lib}/${platform}/* ${grub}/${platform}
 
@@ -158,8 +161,9 @@ prepare_grub(){
     grub-mkimage -d ${grub}/${platform} -o ${efi}/${img} -O ${platform} -p ${prefix} iso9660
 
     prepare_dir ${grub}/themes
-    cp -r ${theme}/themes/artix ${grub}/themes/
-    cp -r ${theme}/{locales,tz} ${grub}
+
+    cp -r ${theme}/themes/artix ${grub}/themes
+    cp -r ${livecfg}/{locales,tz} ${grub}
 
     if [[ -f /usr/share/grub/unicode.pf2 ]];then
         msg2 "Copying %s ..." "unicode.pf2"

lib/iso/util.sh

@@ -19,7 +19,7 @@ error_function() {
         error "A failure occurred in %s()." "$func"
         plain "Aborting..."
     fi
-    umount_overlay
+    umount_overlayfs
     umount_img
     exit 2
 }
@@ -41,7 +41,7 @@ run_safe() {
 trap_exit() {
     local sig=$1; shift
     error "$@"
-    umount_overlay
+    umount_overlayfs
     trap -- "$sig"
     kill "-$sig" "$$"
 }