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[PATCH 32/50] Created pre-mount hook directory
This is for tasks that should run after device discovery, but before mounting the new rootfs. Things like cryptoroot and resume from hibernate should go here. Hooks are sourced, not executed as separate scripts.
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16
init
16
init
@ -14,9 +14,17 @@ emergency_shell()
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}
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getarg() {
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local o;
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for o in $(< /proc/cmdline); do
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[[ $o == $1 ]] && { echo $o; break; }
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done
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return 1
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}
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source_all() {
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local f
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[[ -d $1 ]] || return
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for f in "$d"/*; do; . "$f"; done
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}
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echo "Starting initrd..."
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@ -67,12 +75,8 @@ esac
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tries=0
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echo "Waiting up to 30 seconds for $root to become available"
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udevadm settle --timeout=30
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[[ -f /cryptroot ]] && {
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echo "Encrypted root detected."
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cryptopts=$(< /cryptroot)
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/sbin/cryptsetup luksOpen $cryptopts || emergency_shell
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udevadm settle --timeout=30
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}
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source_all /pre-mount
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echo "Trying to mount rootfs $root"
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[[ -e $root ]] || emergency_shell
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ln -s "$root" /dev/root
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6
pre-mount/50cryptroot
Normal file
6
pre-mount/50cryptroot
Normal file
@ -0,0 +1,6 @@
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#!/bin/bash
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[[ -f /cryptroot ]] || return
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echo "Encrypted root detected."
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cryptopts=$(< /cryptroot)
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/sbin/cryptsetup luksOpen $cryptopts || emergency_shell
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udevadm settle --timeout=30
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7
pre-mount/99resume
Normal file
7
pre-mount/99resume
Normal file
@ -0,0 +1,7 @@
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#!/bin/bash
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resume=$(getarg 'resume=*') || return
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resume=${resume#resume=}
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[[ -b $resume ]] || return
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# parsing the output of ls is Bad, but until there is a better way...
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read x x x x maj min x < <(ls -lH "$resume")
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echo "${maj/,/}:$min"> /sys/power/resume
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