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Update image setup script to be gentler on the boot files, and make backups.

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This commit is contained in:
Jarno Rantanen 2019-04-10 12:23:59 +03:00
parent d0c07c10b0
commit 06a9a36a9e
1 changed files with 23 additions and 7 deletions
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30
docs/image-setup.sh
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@ -1,6 +1,8 @@
#!/bin/bash #!/bin/bash
MOUNTED_BOOT_VOLUME="boot" # i.e. under which name is the SD card mounted under /Volumes on macOS MOUNTED_BOOT_VOLUME="boot" # i.e. under which name is the SD card mounted under /Volumes on macOS
BOOT_CMDLINE_TXT="/Volumes/$MOUNTED_BOOT_VOLUME/cmdline.txt"
BOOT_CONFIG_TXT="/Volumes/$MOUNTED_BOOT_VOLUME/config.txt"
SD_SIZE_REAL=2500 # this is in MB SD_SIZE_REAL=2500 # this is in MB
SD_SIZE_SAFE=2800 # this is in MB SD_SIZE_SAFE=2800 # this is in MB
SD_SIZE_ZERO=3200 # this is in MB SD_SIZE_ZERO=3200 # this is in MB
@ -63,14 +65,14 @@ echo "* Mount the card back"
echo "(press enter when ready)" echo "(press enter when ready)"
read read
working "Updating /boot/cmdline.txt" working "Backing up original boot files"
# The removal of "init=/usr/lib/raspi-config/init_resize.sh" disables the automatic expansion of the root FS to cover the whole SD card on first boot; the rest is for [customizing the Plymouth boot theme](https://scribles.net/customizing-boot-up-screen-on-raspberry-pi/) cp -v "$BOOT_CMDLINE_TXT" "$BOOT_CMDLINE_TXT.backup"
echo -e "dwc_otg.lpm_enable=0 console=serial0,115200 console=tty3 root=PARTUUID=4d3ee428-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait quiet splash quiet plymouth.ignore-serial-consoles logo.nologo vt.global_cursor_default=0" \ cp -v "$BOOT_CONFIG_TXT" "$BOOT_CONFIG_TXT.backup"
> "/Volumes/$MOUNTED_BOOT_VOLUME/cmdline.txt"
working "Updating /boot/config.txt" working "Disabling automatic root filesystem expansion"
sed -i "" "s/#disable_overscan=1/disable_overscan=1/g" "/Volumes/$MOUNTED_BOOT_VOLUME/config.txt" echo "Updating: $BOOT_CMDLINE_TXT"
echo -e "\ndisable_splash=1" >> "/Volumes/$MOUNTED_BOOT_VOLUME/config.txt" cat "$BOOT_CMDLINE_TXT" | sed "s#init=/usr/lib/raspi-config/init_resize.sh##" > temp
mv temp "$BOOT_CMDLINE_TXT"
working "Enabling SSH for first boot" working "Enabling SSH for first boot"
# https://www.raspberrypi.org/documentation/remote-access/ssh/ # https://www.raspberrypi.org/documentation/remote-access/ssh/
@ -183,6 +185,20 @@ DISK="$(diskutil list | grep /dev/ | grep external | grep physical | cut -d ' '
question "Based on the above, SD card determined to be \"$DISK\" (should be e.g. \"/dev/disk2\"), press enter to continue" question "Based on the above, SD card determined to be \"$DISK\" (should be e.g. \"/dev/disk2\"), press enter to continue"
read read
working "Making boot quieter (part 1)" # https://scribles.net/customizing-boot-up-screen-on-raspberry-pi/
echo "Updating: $BOOT_CONFIG_TXT"
sed -i "" "s/#disable_overscan=1/disable_overscan=1/g" "$BOOT_CONFIG_TXT"
echo -e "\ndisable_splash=1" >> "$BOOT_CONFIG_TXT"
working "Making boot quieter (part 2)" # https://scribles.net/customizing-boot-up-screen-on-raspberry-pi/
echo "You may want to revert these changes if you ever need to debug the startup process"
echo "Updating: $BOOT_CMDLINE_TXT"
cat "$BOOT_CMDLINE_TXT" \
| sed 's/console=tty1/console=tty3/' \
| sed 's/$/ splash plymouth.ignore-serial-consoles logo.nologo vt.global_cursor_default=0/' \
> temp
mv temp "$BOOT_CMDLINE_TXT"
working "Safely unmounting the card" working "Safely unmounting the card"
diskutil unmountDisk "$DISK" diskutil unmountDisk "$DISK"