2021-05-02 21:58:11 +02:00
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#!/bin/sh
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# stdin: default config
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# stdout: modified config
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2021-05-03 13:26:54 +02:00
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# save stdin (content of /etc/mkinitcpio.conf) in variable
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stdin=$(cat)
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# MODULES is empty
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echo "$stdin" | grep '^MODULES=()'
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# assert HOOKS is as expected
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echo "$stdin" | grep '^HOOKS=(base udev autodetect modconf block filesystems keyboard fsck)'
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# assert no COMPRESSION option is enabled yet
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! echo "$stdin" | grep '^COMPRESSION='
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# assert lz4 COMPRESSION is uncommented
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echo "$stdin" | grep '^#COMPRESSION="lz4"'
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# 1) add to MODULES; 2 replace HOOKS; 3) uncomment lz4 COMPRESSION
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sed '
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s|^MODULES=(|MODULES=(crc32c-intel |;
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s|^#COMPRESSION="lz4".*$|COMPRESSION="lz4"|;
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s|^HOOKS=(.*$|HOOKS=(base udev resume modconf block keyboard keymap encrypt lvm2 btrfs fsck filesystems)|
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' <<< "$stdin"
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