40 lines
732 B
Bash
40 lines
732 B
Bash
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#!/bin/sh
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# genext2fs wrapper calculating needed blocks/inodes values if not specified
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export LC_ALL=C
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CALC_BLOCKS=1
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CALC_INODES=1
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while getopts x:d:D:b:i:N:m:g:e:zfqUPhVv f
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do
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case $f in
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b) CALC_BLOCKS=0 ;;
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N) CALC_INODES=0 ;;
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d) TARGET_DIR=$OPTARG ;;
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esac
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done
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# calculate needed blocks
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if [ $CALC_BLOCKS -eq 1 ];
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then
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BLOCKS=$(du -s -c -k $TARGET_DIR | grep total | sed -e "s/total//")
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if [ $BLOCKS -ge 20000 ];
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then
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BLOCKS=$(expr $BLOCKS + 16384)
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else
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BLOCKS=$(expr $BLOCKS + 2400)
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fi
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set -- $@ -b $BLOCKS
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fi
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# calculate needed inodes
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if [ $CALC_INODES -eq 1 ];
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then
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INODES=$(find $TARGET_DIR | wc -l)
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INODES=$(expr $INODES + 400)
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set -- $@ -N $INODES
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fi
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exec genext2fs $@
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