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Firmware build failling

See original GitHub issue

When following the build instructions I get the following error after the next command:

sudo ../dustcloud/devices/xiaomi.vacuum/firmwarebuilder/imagebuilder.sh \
     --firmware=../firmware/v11_001712.pkg \
     --soundfile=../firmware/english.pkg \
     --public-key=$HOME/.ssh/id_ed25519.pub \
     --valetudo-path=../valetudo \
     --disable-firmware-updates \
     --ntpserver=fritz.box \
     --replace-adbd

(please note that the firmware version on the wiki page is not correct, please update that)

/mnt/firmware/rockrobo/image/fw.0Jv7wa/sounds /mnt/firmware/rockrobo/image
/mnt/firmware/rockrobo/image
Decrypt firmware
Unpack firmware
/mnt/firmware/rockrobo/image/fw.0Jv7wa/fw /mnt/firmware/rockrobo/image
/mnt/firmware/rockrobo/image
mount: /mnt/firmware/rockrobo/image/fw.0Jv7wa/image: can't read superblock on /dev/loop7.
Replace ssh host keys
../dustcloud/devices/xiaomi.vacuum/firmwarebuilder/imagebuilder.sh: line 343: /mnt/firmware/rockrobo/image/fw.0Jv7wa/image/etc/ssh/ssh_host_rsa_key: No such file or directory
../dustcloud/devices/xiaomi.vacuum/firmwarebuilder/imagebuilder.sh: line 344: /mnt/firmware/rockrobo/image/fw.0Jv7wa/image/etc/ssh/ssh_host_rsa_key.pub: No such file or directory
../dustcloud/devices/xiaomi.vacuum/firmwarebuilder/imagebuilder.sh: line 345: /mnt/firmware/rockrobo/image/fw.0Jv7wa/image/etc/ssh/ssh_host_dsa_key: No such file or directory
../dustcloud/devices/xiaomi.vacuum/firmwarebuilder/imagebuilder.sh: line 346: /mnt/firmware/rockrobo/image/fw.0Jv7wa/image/etc/ssh/ssh_host_dsa_key.pub: No such file or directory
../dustcloud/devices/xiaomi.vacuum/firmwarebuilder/imagebuilder.sh: line 347: /mnt/firmware/rockrobo/image/fw.0Jv7wa/image/etc/ssh/ssh_host_ecdsa_key: No such file or directory
../dustcloud/devices/xiaomi.vacuum/firmwarebuilder/imagebuilder.sh: line 348: /mnt/firmware/rockrobo/image/fw.0Jv7wa/image/etc/ssh/ssh_host_ecdsa_key.pub: No such file or directory
../dustcloud/devices/xiaomi.vacuum/firmwarebuilder/imagebuilder.sh: line 349: /mnt/firmware/rockrobo/image/fw.0Jv7wa/image/etc/ssh/ssh_host_ed25519_key: No such file or directory
../dustcloud/devices/xiaomi.vacuum/firmwarebuilder/imagebuilder.sh: line 350: /mnt/firmware/rockrobo/image/fw.0Jv7wa/image/etc/ssh/ssh_host_ed25519_key.pub: No such file or directory
Disable SSH firewall rule
sed: can't read /mnt/firmware/rockrobo/image/fw.0Jv7wa/image/opt/rockrobo/watchdog/rrwatchdoge.conf: No such file or directory
Add SSH authorized_keys
mkdir: cannot create directory ‘/mnt/firmware/rockrobo/image/fw.0Jv7wa/image/root/.ssh’: No such file or directory
chmod: cannot access '/mnt/firmware/rockrobo/image/fw.0Jv7wa/image/root/.ssh': No such file or directory
../dustcloud/devices/xiaomi.vacuum/firmwarebuilder/imagebuilder.sh: line 365: /mnt/firmware/rockrobo/image/fw.0Jv7wa/image/root/.ssh/authorized_keys: No such file or directory
chmod: cannot access '/mnt/firmware/rockrobo/image/fw.0Jv7wa/image/root/.ssh/authorized_keys': No such file or directory
reconfiguring network traffic to xiaomi
../dustcloud/devices/xiaomi.vacuum/firmwarebuilder/imagebuilder.sh: line 373: /mnt/firmware/rockrobo/image/fw.0Jv7wa/image/etc/hosts: No such file or directory
../dustcloud/devices/xiaomi.vacuum/firmwarebuilder/imagebuilder.sh: line 374: /mnt/firmware/rockrobo/image/fw.0Jv7wa/image/etc/hosts: No such file or directory
replacing adbd
cp: cannot stat '/mnt/firmware/rockrobo/image/fw.0Jv7wa/image/usr/bin/adbd': No such file or directory
install: cannot create regular file '/mnt/firmware/rockrobo/image/fw.0Jv7wa/image/usr/bin/adbd': No such file or directory
Installing valetudo
install: cannot create regular file '/mnt/firmware/rockrobo/image/fw.0Jv7wa/image/usr/local/bin/valetudo': No such file or directory
install: cannot create regular file '/mnt/firmware/rockrobo/image/fw.0Jv7wa/image/etc/init/valetudo.conf': No such file or directory
../dustcloud/devices/xiaomi.vacuum/firmwarebuilder/imagebuilder.sh: line 527: /mnt/firmware/rockrobo/image/fw.0Jv7wa/image/etc/hosts: No such file or directory
sed: can't read /mnt/firmware/rockrobo/image/fw.0Jv7wa/image/etc/rc.local: No such file or directory
../dustcloud/devices/xiaomi.vacuum/firmwarebuilder/imagebuilder.sh: line 530: /mnt/firmware/rockrobo/image/fw.0Jv7wa/image/etc/rc.local: No such file or directory
../dustcloud/devices/xiaomi.vacuum/firmwarebuilder/imagebuilder.sh: line 531: /mnt/firmware/rockrobo/image/fw.0Jv7wa/image/etc/rc.local: No such file or directory
../dustcloud/devices/xiaomi.vacuum/firmwarebuilder/imagebuilder.sh: line 532: /mnt/firmware/rockrobo/image/fw.0Jv7wa/image/etc/rc.local: No such file or directory
sed: can't read /mnt/firmware/rockrobo/image/fw.0Jv7wa/image/opt/rockrobo/rrlog/rrlog.conf: No such file or directory
sed: can't read /mnt/firmware/rockrobo/image/fw.0Jv7wa/image/opt/rockrobo/rrlog/rrlogmt.conf: No such file or directory
sed: can't read /mnt/firmware/rockrobo/image/fw.0Jv7wa/image/opt/rockrobo/rrlog/rrlog.conf: No such file or directory
sed: can't read /mnt/firmware/rockrobo/image/fw.0Jv7wa/image/opt/rockrobo/rrlog/rrlogmt.conf: No such file or directory
sed: can't read /mnt/firmware/rockrobo/image/fw.0Jv7wa/image/opt/rockrobo/watchdog/ProcessList.conf: No such file or directory
sed: can't read /mnt/firmware/rockrobo/image/fw.0Jv7wa/image/opt/rockrobo/rrlog/tar_extra_file.sh: No such file or directory
sed: can't read /mnt/firmware/rockrobo/image/fw.0Jv7wa/image/opt/rockrobo/rrlog/misc.sh: No such file or directory
sed: can't read /mnt/firmware/rockrobo/image/fw.0Jv7wa/image/opt/rockrobo/rrlog/toprotation.sh: No such file or directory
sed: can't read /mnt/firmware/rockrobo/image/fw.0Jv7wa/image/opt/rockrobo/rrlog/topstop.sh: No such file or directory
../dustcloud/devices/xiaomi.vacuum/firmwarebuilder/imagebuilder.sh: line 557: /mnt/firmware/rockrobo/image/fw.0Jv7wa/image/opt/rockrobo/watchdog/ntpserver.conf: No such file or directory
../dustcloud/devices/xiaomi.vacuum/firmwarebuilder/imagebuilder.sh: line 561: /mnt/firmware/rockrobo/image/fw.0Jv7wa/image/opt/rockrobo/watchdog/ntpserver.conf: No such file or directory
../dustcloud/devices/xiaomi.vacuum/firmwarebuilder/imagebuilder.sh: line 562: /mnt/firmware/rockrobo/image/fw.0Jv7wa/image/opt/rockrobo/watchdog/ntpserver.conf: No such file or directory
../dustcloud/devices/xiaomi.vacuum/firmwarebuilder/imagebuilder.sh: line 564: /mnt/firmware/rockrobo/image/fw.0Jv7wa/image/etc/timezone: No such file or directory
umount: /mnt/firmware/rockrobo/image/fw.0Jv7wa/image: not mounted.
waiting for unmount...