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48 lines
1.4 KiB
Bash
Executable File
48 lines
1.4 KiB
Bash
Executable File
#!/bin/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 ${INITRD_IMAGE_PREGENERATED} ]]; then
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# we found an initrd at the same place as the kernel
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# use this and don't generate a new one
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cp --reflink=auto "$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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read -r -d '' -a BOOT_OPTIONS < /etc/kernel/cmdline
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elif [[ -f /usr/lib/kernel/cmdline ]]; then
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read -r -d '' -a BOOT_OPTIONS < /usr/lib/kernel/cmdline
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fi
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if ! [[ ${BOOT_OPTIONS[*]} ]]; then
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read -r -d '' -a BOOT_OPTIONS < /proc/cmdline
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fi
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unset noimageifnotneeded
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for ((i=0; i < "${#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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