66 lines
1.4 KiB
Plaintext
66 lines
1.4 KiB
Plaintext
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#!/bin/sh -e
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#
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# Runs update-initramfs(8) to create/update an initramfs for specified
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# version (if the pkg that is triggering it) or for the currently
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# installed kernel otherwise.
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#
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# Arguments: $ACTION = [run/targets]
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# $TARGET = [post-install/post-remove]
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# $PKGNAME
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# $VERSION
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# $UPDATE = [yes/no]
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#
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ACTION="$1"
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TARGET="$2"
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PKGNAME="$3"
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VERSION="$4"
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UPDATE="$5"
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update_initramfs=usr/sbin/update-initramfs
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case "$ACTION" in
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targets)
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echo "post-install post-remove"
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;;
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run)
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# Exit if the command cannot be executed.
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[ ! -x ${update_initramfs} ] && exit 0
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# Cannot continue if /proc and /sys not mounted!
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if [ ! -e ./proc/filesystems -a ! -e ./sys/kernel/vmcoreinfo ]; then
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echo "initramfs-tools trigger:"
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echo "WARNING: /proc and /sys (relative to cwd) are not mounted"
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echo "WARNING: cannot continue, exiting..."
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exit 0
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fi
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# Always use relative paths to create the initramfs!
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initramfs_args="-b ./boot"
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if [ "$PKGNAME" = "kernel" -o "$PKGNAME" = "kernel-snapshot" ]; then
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if [ "$TARGET" = "post-remove" ]; then
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exit 0
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fi
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if [ ! -f var/lib/initramfs-tools/${VERSION} ]; then
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# Create new initramfs
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initramfs_args="$initramfs_args -c -t -k ${VERSION}"
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else
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# Update existing initramfs
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initramfs_args="$initramfs_args -B -u -t -k ${VERSION}"
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fi
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else
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# Update initramfs for all kernels
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initramfs_args="$initramfs_args -B -u -t -k all"
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fi
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${update_initramfs} ${initramfs_args}
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exit $?
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;;
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*)
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exit 1
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;;
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esac
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exit 0
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