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47 lines
1.3 KiB
47 lines
1.3 KiB
#!/bin/sh |
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# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*- |
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# ex: ts=8 sw=4 sts=4 et filetype=sh |
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COMMAND="$1" |
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KERNEL_VERSION="$2" |
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BOOT_DIR_ABS="$3" |
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KERNEL_IMAGE="$4" |
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ret=0 |
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case "$COMMAND" in |
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add) |
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INITRD_IMAGE_PREGENERATED=${KERNEL_IMAGE%/*}/initrd |
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if [[ -f ${INITRD_IMAGE_PREGENERATED} ]]; then |
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# we found an initrd at the same place as the kernel |
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# use this and don't generate a new one |
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cp "$INITRD_IMAGE_PREGENERATED" "$BOOT_DIR_ABS/initrd" \ |
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&& chown root:root "$BOOT_DIR_ABS/initrd" \ |
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&& chmod 0600 "$BOOT_DIR_ABS/initrd" \ |
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&& exit 0 |
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fi |
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if [[ -f /etc/kernel/cmdline ]]; then |
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readarray -t BOOT_OPTIONS < /etc/kernel/cmdline |
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fi |
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if ! [[ "${BOOT_OPTIONS[@]}" ]]; then |
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read -ar BOOT_OPTIONS < /proc/cmdline |
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fi |
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unset noimageifnotneeded |
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for ((i=0; i < "${#BOOT_OPTIONS[@]}"; i++)); do |
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if [[ ${BOOT_OPTIONS[$i]} == root\=PARTUUID\=* ]]; then |
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noimageifnotneeded="yes" |
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break |
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fi |
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done |
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dracut ${noimageifnotneeded:+--noimageifnotneeded} "$BOOT_DIR_ABS"/initrd "$KERNEL_VERSION" |
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ret=$? |
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;; |
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remove) |
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rm -f -- "$BOOT_DIR_ABS"/initrd |
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ret=$? |
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;; |
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esac |
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exit $ret
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