buildiso: add grub kopt msg

bin/iso/buildiso.in

@@ -117,6 +117,7 @@ pretend=false
 images_only=false
 iso_only=false
 persist=false
+use_dracut=false
 
 basestrap_args=(-GMc)
 cmd=${0##*/}
@@ -139,6 +140,7 @@ usage() {
     echo '    -x                 Build images only'
     echo '    -z                 Generate iso only'
     echo '                       Requires pre built images (-x)'
+    echo '    -d                 Use dracut instead of mkinitcpio for iso initramfs'
     echo '    -q                 Query settings and pretend build'
     echo '    -h                 This help'
     echo ''
@@ -148,7 +150,7 @@ usage() {
 
 orig_argv=("$0" "$@")
 
-opts='p:r:t:i:g:czxmqh'
+opts='p:r:t:i:g:czxmdqh'
 
 while getopts "${opts}" arg; do
     case "${arg}" in
@@ -161,6 +163,7 @@ while getopts "${opts}" arg; do
         x) images_only=true ;;
         z) iso_only=true ;;
         m) persist=true ;;
+        d) use_dracut=true ;;
         q) pretend=true ;;
         h|?) usage 0 ;;
         *) echo "invalid argument '${arg}'"; usage 1 ;;

lib/iso/grub.sh

@@ -12,6 +12,57 @@
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 
+prepare_boot_extras(){
+    local src="$1" dest=${iso_root}/boot
+
+    for u in intel amd;do
+        cp $src/boot/$u-ucode.img $dest/$u-ucode.img
+        cp $src/usr/share/licenses/$u-ucode/LICENSE $dest/$u-ucode.LICENSE
+    done
+
+    cp $src/boot/memtest86+/memtest.bin $dest/memtest
+    cp $src/usr/share/licenses/common/GPL2/license.txt $dest/memtest.COPYING
+}
+
+##################dracut##################
+
+prepare_initramfs_dracut(){
+    local mnt="$1"
+    local kver=$(<"$mnt"/usr/src/linux/version)
+
+    printf "%s\n" 'add_dracutmodules+=" dmsquash-live"' > "$mnt"/etc/dracut.conf.d/50-live.conf
+
+    msg "Starting build: %s" "${kver}"
+    artools-chroot "$mnt" dracut -fqM /boot/initramfs.img "$kver"
+    msg "Image generation successful"
+
+    cp "$mnt"/boot/initramfs.img "${iso_root}"/boot/initramfs-"${ARCH}".img
+
+    prepare_boot_extras "$mnt"
+}
+
+configure_grub_dracut(){
+    msg "Configuring grub kernel options ..."
+    local kopts=(
+        "root=live:LABEL=${iso_label}"
+        'rd.live.squashimg=rootfs.img'
+        'rd.live.image'
+        'rootflags=auto'
+    )
+    [[ "${PROFILE}" != 'base' ]] && kopts+=("rd.live.join=livefs.img")
+
+    local ro_opts=()
+    local rw_opts=()
+#         'rd.writable.fsimg=1'
+
+    sed -e "s|@kopts@|${kopts[*]}|" \
+        -e "s|@ro_opts@|${ro_opts[*]}|" \
+        -e "s|@rw_opts@|${rw_opts[*]}|" \
+        -i ${iso_root}/boot/grub/kernels.cfg
+}
+
+#############################################
+
 write_mkinitcpio_conf() {
     msg2 "Writing mkinitcpio.conf ..."
     local conf="$1/etc/mkinitcpio-artix.conf"
@@ -35,18 +86,6 @@ prepare_initcpio(){
     cp /etc/initcpio/artix_shutdown $dest/etc/initcpio
 }
 
-prepare_boot_extras(){
-    local src="$1" dest=${iso_root}/boot
-
-    for u in intel amd;do
-        cp $src/boot/$u-ucode.img $dest/$u-ucode.img
-        cp $src/usr/share/licenses/$u-ucode/LICENSE $dest/$u-ucode.LICENSE
-    done
-
-    cp $src/boot/memtest86+/memtest.bin $dest/memtest
-    cp $src/usr/share/licenses/common/GPL2/license.txt $dest/memtest.COPYING
-}
-
 prepare_initramfs(){
     local mnt="$1"
 
@@ -76,9 +115,10 @@ prepare_initramfs(){
 }
 
 configure_grub(){
-    local ro_opts=("label=${iso_label}")
-    local rw_opts=("cow_label=${iso_label}")
-    local kopts=()
+    msg "Configuring grub kernel options ..."
+    local ro_opts=()
+    local rw_opts=()
+    local kopts=("label=${iso_label}")
 
     [[ "${PROFILE}" != 'base' ]] && kopts+=('overlay=livefs')
 

lib/iso/iso.sh

@@ -100,13 +100,13 @@ make_sfs() {
 
         mksquashfs "${mksfs_args[@]}"
 
-        make_checksum "${img_name}"
-        ${persist} && rm -r "${work_dir}/embed"
-
-        if [[ -n ${GPG_KEY} ]];then
-            make_sig "${img_name}"
+        if ! ${use_dracut}; then
+            make_checksum "${img_name}"
+            if [[ -n ${GPG_KEY} ]];then
+                make_sig "${img_name}"
+            fi
         fi
-
+        ${persist} && rm -r "${work_dir}/embed"
     fi
     show_elapsed_time "${FUNCNAME}" "${timer_start}"
 }

lib/iso/util.sh

@@ -157,7 +157,11 @@ make_bootfs() {
 
         mount_overlay "${bootfs}" "${work_dir}"
 
-        prepare_initramfs "${bootfs}"
+        if ${use_dracut}; then
+            prepare_initramfs_dracut "${bootfs}"
+        else
+            prepare_initramfs "${bootfs}"
+        fi
 
         umount_overlay
 
@@ -176,7 +180,11 @@ make_grub(){
 
         prepare_grub "${work_dir}/rootfs" "$layer"
 
-        configure_grub
+        if ${use_dracut}; then
+            configure_grub_dracut
+        else
+            configure_grub
+        fi
 
         : > ${work_dir}/grub.lock
         msg "Done [/iso/boot/grub]"