69 lines
1.2 KiB
Bash
Executable File
69 lines
1.2 KiB
Bash
Executable File
#!/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: $1 = action [run/targets]
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# $2 = target [post-install/post-remove]
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# $3 = pkgname
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# $4 = version
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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="$4"
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update_initramfs=usr/sbin/update-initramfs
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case "$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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[ ! -x ${update_initramfs} ] && exit 0
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initramfs_args="update-initramfs"
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if [ "$PKGNAME" = "kernel" ]; 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="-c -t -k ${VERSION}"
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else
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# Update existing initramfs
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initramfs_args="-u -t -k ${VERSION}"
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fi
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else
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# Update initramfs for all kernels
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initramfs_args="-u -t -k all"
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fi
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if [ ! -e /proc/filesystems ]; then
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mount -t proc proc /proc
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proc_mounted=1
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fi
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if [ ! -e /sys/kernel/vmcoreinfo ]; then
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mount -t sysfs sysfs /sys
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sys_mounted=1
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fi
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${update_initramfs} ${initramfs_args}
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if [ -n "$proc_mounted" ]; then
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umount /proc
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fi
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if [ -n "$sys_mounted" ]; then
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umount /sys
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fi
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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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