55 lines
1.3 KiB
Bash
55 lines
1.3 KiB
Bash
#!/bin/sh
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# $1: kernel flavor
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rebuild_initfs_flavor()
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{
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abi_release=$(cat /usr/share/kernel/"$1"/kernel.release)
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mkinitfs -o /boot/initramfs-"$1" "$abi_release"
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}
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# Each argument to this shell script is a path, that caused the trigger to
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# execute. When a hook was changed, rebuild all flavors. When only one flavor
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# was changed, find out if it has been installed or uninstalled, and rebuild
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# it or delete the left-overs.
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rebuild_all="false"
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for i in "$@"; do
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case "$i" in
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# Hook change
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/etc/postmarketos-mkinitfs/hooks*)
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rebuild_all="true"
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break ;;
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# Kernel flavor change
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/usr/share/kernel/*)
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flavor=${i##*/}
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if [ -f "$i"/kernel.release ]; then
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# installed
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[ "$rebuild_all" = "true" ] || rebuild_initfs_flavor "$flavor"
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else
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# uninstalled
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rm -f "$( readlink -f /boot/initramfs-"$flavor" )" \
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/boot/initramfs-"$flavor" /boot/vmlinuz-"$flavor" \
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/boot/"$flavor" /boot/"$flavor".gz /"$flavor" /"$flavor".gz
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fi
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break ;;
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esac
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done
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# Rebuild all flavors, if necessary
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if [ "$rebuild_all" = "true" ]; then
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for i in /usr/share/kernel/*; do
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[ -d "$i" ] && rebuild_initfs_flavor "${i##*/}"
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done
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fi
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# Cleanup unused initramfs
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for i in /boot/initramfs-[0-9]*; do
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[ -f "$i" ] || continue
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if ! [ -f /boot/vmlinuz-"${i#/boot/initramfs-}" ]; then
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rm "$i"
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fi
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done
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sync
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exit 0
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