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65 lines
1.8 KiB
65 lines
1.8 KiB
#!/bin/bash |
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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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# If KERNEL_INSTALL_MACHINE_ID is defined but empty, BOOT_DIR_ABS is a fake directory. |
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# So, let's skip to create initrd. |
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if ! [[ ${KERNEL_INSTALL_MACHINE_ID-x} ]]; then |
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exit 0 |
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fi |
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if [[ -d "$BOOT_DIR_ABS" ]]; then |
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INITRD="initrd" |
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else |
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BOOT_DIR_ABS="/boot" |
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INITRD="initramfs-${KERNEL_VERSION}.img" |
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fi |
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ret=0 |
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case "$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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else |
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declare -a BOOT_OPTIONS |
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read -r -d '' -a line < /proc/cmdline |
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for i in "${line[@]}"; do |
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[[ "${i#initrd=*}" != "$i" ]] && continue |
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BOOT_OPTIONS+=("$i") |
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done |
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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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# shellcheck disable=SC1001 |
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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 -f ${noimageifnotneeded:+--noimageifnotneeded} "$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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