mkrieger/Wachalarm-Monitor
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

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

Browse Source
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
docs/image-setup.sh
View File

@ -1,6 +1,8 @@
#!/bin/bash
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_SAFE=2800 # 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)"
read
working "Updating /boot/cmdline.txt"
# 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/)
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" \
> "/Volumes/$MOUNTED_BOOT_VOLUME/cmdline.txt"
working "Backing up original boot files"
cp -v "$BOOT_CMDLINE_TXT" "$BOOT_CMDLINE_TXT.backup"
cp -v "$BOOT_CONFIG_TXT" "$BOOT_CONFIG_TXT.backup"
working "Updating /boot/config.txt"
sed -i "" "s/#disable_overscan=1/disable_overscan=1/g" "/Volumes/$MOUNTED_BOOT_VOLUME/config.txt"
echo -e "\ndisable_splash=1" >> "/Volumes/$MOUNTED_BOOT_VOLUME/config.txt"
working "Disabling automatic root filesystem expansion"
echo "Updating: $BOOT_CMDLINE_TXT"
cat "$BOOT_CMDLINE_TXT" | sed "s#init=/usr/lib/raspi-config/init_resize.sh##" > temp
mv temp "$BOOT_CMDLINE_TXT"
working "Enabling SSH for first boot"
# https://www.raspberrypi.org/documentation/remote-access/ssh/
@ -183,6 +185,20 @@ DISK="$(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"
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"
diskutil unmountDisk "$DISK"