97 lines
3.2 KiB
Bash
97 lines
3.2 KiB
Bash
#!/bin/sh -e
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# Enable udev OpenRC services and runlevels
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# https://github.com/alpinelinux/aports/blob/master/main/eudev/setup-udev
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setup-udev -n
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# Enable other OpenRC services
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for service in devfs dmesg devmappings; do
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rc-update -q add $service sysinit
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done
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for service in hwclock modules sysctl hostname bootmisc syslog; do
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rc-update -q add $service boot
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done
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for service in dbus haveged sshd swapfile wpa_supplicant chronyd local networkmanager; do
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rc-update -q add $service default
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done
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for service in mount-ro killprocs savecache; do
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rc-update -q add $service shutdown
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done
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# Prime swclock with a reasonable date/time on first boot
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mkdir -p /run/openrc
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touch /run/openrc/shutdowntime
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# Replace a config file from stock Alpine, unless apk reports that the user has
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# modified it (note that this does not allow properly updating these configs
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# when postmarketos-base gets updated yet, see issue pmaports#258).
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write_unless_modified() {
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# Redirect the stdin to the file unless it has been modified
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# $1: file path
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if apk audit "$(dirname "$1")" | grep -q "${1:1}"; then
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echo "- NOT modifying (file was changed before): $1"
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else
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echo "- Modifying: $1"
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cat > "$1"
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fi
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}
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# Install /etc/fstab
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{
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echo '# <file system> <mount point> <type> <options> <dump> <pass>'
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echo 'LABEL="pmOS_root" / ext4 relatime,data=ordered 0 1'
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echo 'LABEL="pmOS_boot" /boot auto defaults 0 2'
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} | write_unless_modified /etc/fstab
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# Set /etc/issue
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{
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echo 'Welcome to postmarketOS'
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echo 'Kernel \r on an \m (\l)'
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# setterm -powersave on -blank 5
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echo -ne "\033[9;5]"
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} | write_unless_modified /etc/issue
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# Set /etc/motd
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{
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echo 'Welcome to postmarketOS!'
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echo ''
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echo 'This distribution is based on Alpine Linux.'
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echo 'Read both our wikis to find a large amount of how-to guides and'
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echo 'general information about administrating and development.'
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echo 'See <https://wiki.postmarketos.org> and <https://wiki.alpinelinux.org>.'
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echo ''
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echo 'You may change this message by editing /etc/motd.'
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echo ''
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} | write_unless_modified /etc/motd
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# Enable syslog to SHM. Note: size is 4048KiB, which *should* be More Than Enough(TM) for all but the most chattiest of devices.
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echo "- Modifying: /etc/conf.d/syslog"
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sed s/=\"/=\""-C4048 "/ -i /etc/conf.d/syslog
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# Enable nl80211,wext & dbus control for wpa_supplicant
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if ! grep -q Dnl80211,wext /etc/conf.d/wpa_supplicant; then
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echo "- Modifying: /etc/conf.d/wpa_supplicant"
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sed -i 's/wpa_supplicant_args=\"/wpa_supplicant_args=\" -u -Dnl80211,wext/' \
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/etc/conf.d/wpa_supplicant
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fi
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touch /etc/wpa_supplicant/wpa_supplicant.conf
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# Enable the 'wheel' group
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echo "- Modifying: /etc/sudoers"
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sed -i 's/# %wheel ALL=(ALL) ALL/%wheel ALL=(ALL) ALL/' /etc/sudoers
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# Set chrony to quickly correct system time whenever it differs from
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# ntp time by more than 1s.
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if ! grep -q "makestep" /etc/chrony/chrony.conf; then
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echo "- Modifying: /etc/chrony/chrony.conf (adding makestep)"
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echo "makestep 1 -1" >> /etc/chrony/chrony.conf
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fi
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# Comment out initstepslew in the chrony configuration to avoid a delay
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# during boot.
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if grep -q "^initstepslew" /etc/chrony/chrony.conf; then
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echo "- Modifying: /etc/chrony/chrony.conf (removing initstepslew)"
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sed -i 's/^initstepslew/#initstepslew/' /etc/chrony/chrony.conf
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fi
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exit 0
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