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26 lines
671 B
26 lines
671 B
#!/bin/sh
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file="$1"
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[ -z "$file" ] && mount /dev/hdc /media
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[ -z "$file" ] && file="$( ls /media/TRUNK*/system.gz )"
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[ -e "$file" ] || { "$file does not exist!" ; exit 1 ; }
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cpiodir="/branch/$( basename $file )"
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if [ "$2" == "dump-irfs" ] ; then
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cpiodir=/real-root
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fi
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mkdir -p "$cpiodir" || { echo "can't mkdir $cpiodir!" ; exit 1 ; }
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mount -t tmpfs tmpfs "$cpiodir" || { echo "can't mount tmpfs on $cpiodir!" ; exit 1 ; }
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chmod 0700 "$cpiodir"
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gzip -dc "$file" | { cd "$cpiodir" ; cpio -i -d -H newc --no-absolute-filenames ; }
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if [ "$2" == "dump-irfs" ] ; then
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mount -t aufs aufs "$cpiodir" -o br:"$cpiodir"=rw
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else
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mount / -o remount,append:"$cpiodir"=ro
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fi
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