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update checksum files when using chkboot --update #9

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update checksum files when using chkboot --update #9

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23 changes: 14 additions & 9 deletions chkboot
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Original file line number Diff line number Diff line change
Expand Up @@ -34,20 +34,20 @@ DISKHEAD="${CHKBOOT_DATA}/DISKHEAD-$CURRTIME"
DISKHEAD_LAST="${CHKBOOT_DATA}/DISKHEAD-last"
CHANGES_ALERT="${CHKBOOT_DATA}/${CHANGES_ALERT}"
CHANGES_LOG="${CHKBOOT_DATA}/${CHANGES_LOG}"
CHANGED="0"
UPDATE_ONLY="0"

if [ ! -z "$1" ]; then
if [ "$1" = "-u" -o "$1" = "--update" ]; then
CHANGED="-1"
UPDATE_ONLY="1"
elif [ "$1" = "-h" -o "$1" = "--help" ]; then
help
exit 0
else
echo -e "Invalid argument: ${1}"
help
exit 1
fi
else
CHANGED="0"
fi
fi

install -d "$CHKBOOT_DATA"
Expand Down Expand Up @@ -82,10 +82,8 @@ pushd "$BOOTDIR" > /dev/null 2>&1
if [ ! -s "$DISKHEAD_LAST" ]; then ln -s -f $DISKHEAD $DISKHEAD_LAST; fi
if [ ! -s "$BOOTFILES_LAST" ]; then ln -s -f $BOOTFILES $BOOTFILES_LAST; exit 0; fi

if [ ! "$CHANGED" = "-1" ]; then
( diff $BOOTFILES_LAST $BOOTFILES >> "${CHANGES_ALERT}-now" ) || CHANGED="1"
( diff $DISKHEAD_LAST $DISKHEAD >> "${CHANGES_ALERT}-now" ) || CHANGED="1"
fi
( diff $BOOTFILES_LAST $BOOTFILES >> "${CHANGES_ALERT}-now" ) || CHANGED="1"
( diff $DISKHEAD_LAST $DISKHEAD >> "${CHANGES_ALERT}-now" ) || CHANGED="1"

# changes detected, create the changes alert file
if [ ! $CHANGED = "1" ] ; then
Expand All @@ -99,9 +97,16 @@ pushd "$BOOTDIR" > /dev/null 2>&1
cat "$CHANGES_ALERT" >> "$CHANGES_LOG"
echo >> "$CHANGES_LOG"

if [ $UPDATE_ONLY = "1" ]; then
rm -f "${CHANGES_ALERT}-now" "$CHANGES_ALERT"
fi

# set the latest hashes to the old ones for next time then exit
ln -s -f $BOOTFILES $BOOTFILES_LAST
ln -s -f $DISKHEAD $DISKHEAD_LAST
exit 1

if [ $UPDATE_ONLY = "0" ]; then
exit 1
fi
fi
popd > /dev/null 2>&1