65 lines
1.5 KiB
Bash
65 lines
1.5 KiB
Bash
#!/bin/sh -e
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# initramfs local-premount script for fixrtc
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PREREQ=""
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# Output pre-requisites
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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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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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# use the fixrtc cmdline option in your bootloader to
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# automatically set the hardware clock to the date of
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# the last mount of your root filesystem to avoid fsck
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# to get confused by the superblock being in the future
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BROKEN_CLOCK=""
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ROOTDEV=""
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for x in $(cat /proc/cmdline); do
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case ${x} in
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root=*)
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value=${x#*=}
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# Find the device node path depending on the form of root= :
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case ${value} in
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UUID=*)
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ROOTDEV=/dev/disk/by-uuid/${value#UUID=}
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;;
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LABEL=*)
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ROOTDEV=/dev/disk/by-label/${value#LABEL=}
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;;
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*)
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ROOTDEV=${value}
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;;
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esac
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;;
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fixrtc)
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BROKEN_CLOCK=1
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;;
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esac
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done
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if [ -n "$BROKEN_CLOCK" -a -n "$ROOTDEV" ];then
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ROOTDISK=$(readlink -f "$ROOTDEV") &&
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TIMESTR=$(dumpe2fs -h "$ROOTDISK" 2>/dev/null|grep "Last mount time") &&
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TIME=${TIMESTR#*:} &&
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date --set="${TIME} 1 minute" >/dev/null 2>&1
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fi
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# This script is best-effort. If we couldn't fudge the clock as desired,
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# just try to carry on boot anyway:
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# It will probably fail, but we won't have made the situation any worse.
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exit 0
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