24 lines
885 B
Bash
24 lines
885 B
Bash
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#!/bin/sh
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# requires swapfile at /swap be setup
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# ensure no dupes by removing any old hooks
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sed -Ei 's/resume//' /etc/mkinitcpio.conf
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# setup hooks
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sed -Ei 's/filesystems/filesystems resume/' /etc/mkinitcpio.conf
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echo "Enabled hooks - note /etc/mkinicpio.conf's comments are messed up due to this"
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mkinitcpio -p linux
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# ensure no dupes by removing any old kernel params
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sed -Ei 's/resume=UUID=.{36} *//' /etc/default/grub
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sed -Ei 's/resume_offset=[[:digit:]]* *//' /etc/default/grub
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# write patamaters
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uuid="$(findmnt -no UUID -T /swap)"
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offset="$(filefrag -v /swap | awk '$1=="0:" {print substr($4, 1, length($4)-2)}')"
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echo "Setting kernel paramaters"
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sed -Ei 's/^GRUB_CMDLINE_LINUX="/GRUB_CMDLINE_LINUX="resume=UUID='"$uuid"' resume_offset='"$offset"'/' /etc/default/grub
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grub-mkconfig -o /boot/grub/grub.cfg
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echo "Hibernation setup - changes will take affect after reboot."
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