Everything: Move /container to /run/void-usb/container

dracut-modules/90void-usb/squashfs-img.sh

@@ -2,7 +2,7 @@
 
 type getarg > /dev/null 2>&1 || source /lib/dracut-lib.sh
 
-[ ! -d /sysroot/container ] && mkdir -p /sysroot/container
+[ ! -d /run/void-usb/container ] && mkdir -p /run/void-usb/container
 
 CONTAINER="$(getarg void-usb-container)"
 case "$CONTAINER" in
@@ -19,7 +19,7 @@ esac
 
 # try to wait for $CONTAINER to be available
 function mount_container {
-  mount -t f2fs -o nodev,nosuid "$CONTAINER" /sysroot/container;
+  mount -t f2fs -o nodev,nosuid "$CONTAINER" /run/void-usb/container;
 }
 
 if [ -b "$CONTAINER" ]; then
@@ -52,8 +52,8 @@ else
   fi
 fi
 
-if [ -f /sysroot/container/squashfs.img ]; then
+if [ -f /run/void-usb/container/squashfs.img ]; then
-  losetup -r -f /sysroot/container/squashfs.img
+  losetup -r -f /run/void-usb/container/squashfs.img
 else
   echo "Failed to find squashfs image. Dropping into an emergency shell. Good luck!"
   emergency_shell

install-stage1.sh

@@ -35,7 +35,7 @@ function yesno {
 }
 
 function run_in_target {
-  echo "$@" | xchroot /mnt/target sh
+  echo "$@" | chroot /mnt/target sh
 }
 
 clear
@@ -135,17 +135,29 @@ mkfs.f2fs -f -l "boot" "$TARGET_PART_BOOT"
 mkfs.f2fs -f -l "container" "$TARGET_PART_BIG"
 
 mkdir -p /mnt/target
-mount -t tmpfs -o size=3g tmpfs /mnt/target
 #TODO don't use default permissions for tmpfs
+mount -t tmpfs -o size=3g tmpfs /mnt/target
+
+# used for chroot later
+mkdir /mnt/target/run
+mount --rbind /run /mnt/target/run
+mkdir /mnt/target/proc
+mount --rbind /run /mnt/target/proc
+mkdir /mnt/target/sys
+mount --rbind /run /mnt/target/sys
+mkdir /mnt/target/dev
+mount --rbind /run /mnt/target/dev
+
+# actual storage
 mkdir /mnt/target/boot
 mount "$TARGET_PART_BOOT" /mnt/target/boot
 mkdir /mnt/target/boot/efi
 mount "$TARGET_PART_EFI" /mnt/target/boot/efi
-mkdir /mnt/target/container
+mkdir /mnt/target/run/void-usb/container
-mount "$TARGET_PART_BIG" /mnt/target/container
+mount "$TARGET_PART_BIG" /mnt/target/run/void-usb/container
 mkdir /mnt/target/home
-mkdir /mnt/target/container/home
+mkdir /mnt/target/run/void-usb/container/home
-mount --bind /mnt/target/container/home /mnt/target/home
+mount --bind /mnt/target/run/void-usb/container/home /mnt/target/home
 
 clear
 echo "Storage is now prepared and ready for installation.
@@ -198,7 +210,6 @@ compress="xz"
 add_dracutmodules+=" void-usb "
 omit_dracutmodules+=" nvdimm resume "' > /mnt/target/etc/dracut.conf.d/99-void-usb.conf
 
-#TODO: mount /container
 mkdir -p /mnt/target/lib/dracut/modules.d/90void-usb
 chmod 755 /mnt/target/lib/dracut/modules.d/90void-usb
 wget --output-document=/mnt/target/lib/dracut/modules.d/90void-usb/module-setup.sh https://lostcave.ddnss.de/git/BodgeMaster/void-minecraft-usb/raw/branch/master/dracut-modules/90void-usb/module-setup.sh
@@ -216,14 +227,13 @@ echo "
 echo "# See fstab(5).
 # <device> <mount point> <fstype> <options> <dump> <pass>
 
-# /container and the underlying image for / are mounted by initramfs
+# /run/void-usb/container and the underlying image for / are mounted by initramfs
-# TODO: Do we need them here?
 
 # TODO: add overlayfs
 
 UUID=$(blkid --output value --match-tag UUID $TARGET_PART_BOOT) /boot f2fs defaults,nodev,nosuid 0 2
 UUID=$(blkid --output value --match-tag UUID $TARGET_PART_EFI) /boot/efi vfat defaults,fmask=0077,dmask=0077 0 2
-/container/home /home none bind 0 0
+/run/void-usb/container/home /home none bind 0 0
 " > /mnt/target/etc/fstab
 
 if grep "#KEYMAP=" /mnt/target/etc/rc.conf; then
@@ -325,7 +335,7 @@ chmod 744 /mnt/target/etc/kernel.d/post-remove/99-void-usb
 
 run_in_target xbps-reconfigure -fa
 
-# running xchroot directly bc run_in_target function doesn’t allow user input
+# running chroot directly bc run_in_target function doesn’t allow user input
-xchroot /mnt/target /opt/void-usb/backup-fs
+chroot /mnt/target /opt/void-usb/backup-fs
 
 #

notes_to_self.txt

@@ -13,9 +13,9 @@ do not rely on the RTC
   - use ntp to get time
     - only fall back to using rtc if offline
   - do not set the RTC
-move /boot to /container instead of its own partition
+move /boot to /run/void-usb/container instead of its own partition
 look into UEFI specs and general availability of FAT16 support
-  - if possible, shrink ESP and move GRUB to /container
+  - if possible, shrink ESP and move GRUB to /run/void-usb/container
 add manufacturer where users select the target device
 show user-firently status instead of scrolling output from all sorts of tools
 
@@ -39,13 +39,11 @@ f2fs for home
 boot setup + dracut configuration
   - root=/dev/loop0 ro
   - custom dracut module
-    - pre-udev script
-      - make loop0 appear
     - pre-mount script
-      - mount /container by UUID (possibly passed from a kernel command line parameter)
+      - mount /run/void-usb/container by UUID (passed from a kernel command line parameter)
       - losetup the squashfs img
     - pre-pivot script?
-      - do we need one to move over the /container mount to real root?
+      - do we need one to move over the /run/void-usb/container mount to real root?
   - overlayfs gets mounted from fstab
 
 when backing up

opt/backup-fs

@@ -49,13 +49,13 @@ Backing up the system will take some time.
 if yesno; then
   echo "Backing up..."
   #TODO: fiddle with squashfs parameters to find optimal settings
-  #TODO: What (if any) device nods need to be created? (man mksquashfs -> pseudo file)
+  #TODO: exclude /tmp
-  mksquashfs / /container/new_squashfs.img -b 1M -comp xz -one-file-system -progress -noappend -e /var/cache/xbps
+  mksquashfs / /run/void-usb/container/new_squashfs.img -b 1M -comp xz -one-file-system -progress -noappend -e /var/cache/xbps
   #TODO: check if enough disk space
   # yes -> create new image next to old image
   # no  -> create new image in RAM
   #TODO: figure out when appending to existing squashfs is a good idea
-  mv /container/new_squashfs.img /container/squashfs.img
+  mv /run/void-usb/container/new_squashfs.img /run/void-usb/container/squashfs.img
 else
   echo ""
   echo "Not backing up."