68 lines
1.8 KiB
Bash
68 lines
1.8 KiB
Bash
#!/bin/sh
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#
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#
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# This is an example hook script. It will be run by 'mkinitramfs'
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# when it creates the image. It's job is to decide which files to
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# install, then install them into the staging area, where the
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# initramfs is being created. This happens when a new 'linux-image'
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# package is installed, or when the administrator runs 'mkinitramfs'
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# by hand to update an initramfs image.
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#
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# CONFDIR -- usually /etc/initramfs-tools, can be set on mkinitramfs
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# command line.
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#
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# DESTDIR -- The staging directory where we are building the image.
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#
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# see initramfs-tools(8)
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#
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# List the soft prerequisites here. This is a space separated list of
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# names, of scripts that are in the same directory as this one, that
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# must be run before this one can be.
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#
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PREREQ=""
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prereqs()
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{
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echo "$PREREQ"
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}
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case $1 in
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# get pre-requisites
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prereqs)
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prereqs
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exit 0
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;;
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esac
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# You can do anything you need to from here on.
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#
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# Source the optional 'hook-functions' scriptlet, if you need the
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# functions defined within it. Read it to see what is available to
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# you. It contains functions for copying dynamically linked program
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# binaries, and kernel modules into the DESTDIR.
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#
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. /usr/share/initramfs-tools/hook-functions
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# If this hook script is a conffile (and thus stored in
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# /etc/mkinitramfs/hooks), it must take care to do the right thing
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# when the package containing it is removed but not purged. There of
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# course may be other reasons to have custom logic deciding what to
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# install. The version variable may be useful for this.
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#
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if command -v myprog >/dev/null 2>&1; then
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copy_exec /usr/bin/myprog usr/bin
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fi
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# To accompany this, there should usually be a script for inside the
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# initramfs named something like:
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#
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# "/etc/mkinitramfs/local-premount/myprog"
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#
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# ... and it should do what is necessary to have 'myprog' get run
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# inside the early runtime environment.
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exit 0
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