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https://github.com/archlinuxarm/PKGBUILDs.git
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77 lines
2.2 KiB
Bash
77 lines
2.2 KiB
Bash
#!/bin/bash
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# This is in 'udev' and 'systemd' hook... Let's hope we have
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# it in mkinitcpio soon.
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# https://github.com/archlinux/mkinitcpio/pull/54
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add_udev_rule() {
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# Add an udev rules file to the initcpio image. Dependencies on binaries
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# will be discovered and added.
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# $1: path to rules file (or name of rules file)
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local rules="$1" rule= key= value= binary=
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if [[ ${rules:0:1} != '/' ]]; then
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rules=$(PATH=/usr/lib/udev/rules.d:/lib/udev/rules.d type -P "$1")
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fi
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if [[ -z $rules ]]; then
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# complain about not found rules
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return 1
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fi
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add_file "$rules" /usr/lib/udev/rules.d/"${rules##*/}"
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while IFS=, read -ra rule; do
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# skip empty lines, comments
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[[ -z $rule || $rule = @(+([[:space:]])|#*) ]] && continue
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for pair in "${rule[@]}"; do
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IFS=' =' read -r key value <<< "$pair"
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case $key in
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RUN@({program}|+)|IMPORT{program}|ENV{REMOVE_CMD})
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# strip quotes
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binary=${value//[\"\']/}
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# just take the first word as the binary name
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binary=${binary%% *}
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[[ ${binary:0:1} == '$' ]] && continue
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if [[ ${binary:0:1} != '/' ]]; then
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binary=$(PATH=/usr/lib/udev:/lib/udev type -P "$binary")
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fi
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add_binary "$binary"
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;;
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esac
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done
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done <"$rules"
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}
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build() {
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local rules tool
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map add_binary \
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'/usr/lib/systemd/systemd-udevd' \
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'/usr/bin/udevadm' \
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'/usr/bin/systemd-tmpfiles'
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map add_udev_rule \
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'50-udev-default.rules' \
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'60-persistent-storage.rules' \
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'64-btrfs.rules' \
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'80-drivers.rules'
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map add_file \
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'/usr/lib/udev/ata_id' \
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'/usr/lib/udev/scsi_id'
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add_runscript
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}
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help() {
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cat <<HELPEOF
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This hook adds the udev daemon to the initramfs, allowing for dynamic loading
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of modules and reliable detection of the root device via tags (e.g. UUID or
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LABEL). Do not remove this hook unless you are using the systemd hook, or you
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know what you're doing.
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HELPEOF
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}
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# vim: set ft=sh ts=4 sw=4 et:
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